HT7627S

钜泉光电 · Energy Metering · LQFP-64(10x10)

HT7627S from 钜泉光电, in a LQFP-64(10x10). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin	Name	Type	Function
1	OSCI	input	32 kHz external clock input for the low-frequency oscillator, used with the external 32.768 kHz crystal.
2	AGND1	power_in	Chip analog ground.
3	VRTC	power_in	RTC/clock power supply input (VRTC domain, 2 to 5.5 V); requires external filter capacitors of 1 uF and 0.1 uF.
4	PJ.0	bidirectional	Port J bit 0 in the VRTC domain, STAMP0 RTC time-stamp input with 2 us input filter; GPIO drive is 1.5 mA source and sink, high-impedance by default.
5	EMU2P8	power_out	Analog EMU 2.8 V power output; requires external 10 uF and 0.1 uF filter capacitors.
6	IAP	input	Current channel A analog signal input, positive; ADC full-scale is +/-930 mVp for the current channels.
7	IAN	input	Current channel A analog signal input, negative; ADC full-scale is +/-930 mVp for the current channels.
8	VREF	power_in	Metering reference voltage output; requires external filter capacitors of 0.1 uF and 1 uF.
9	IBP	input	Current channel B analog signal input, positive; ADC full-scale is +/-930 mVp for the current channels.
10	IBN	input	Current channel B analog signal input, negative; ADC full-scale is +/-930 mVp for the current channels.
11	AGND2	power_in	Chip analog ground.
12	ICP	input	Current channel C analog signal input, positive; ADC full-scale is +/-930 mVp for the current channels.
13	ICN	input	Current channel C analog signal input, negative; ADC full-scale is +/-930 mVp for the current channels.
14	AGND3	power_in	Chip analog ground.
15	INP	input	Current-channel analog signal input, positive; the datasheet gives a +/-1080 mVp ADC full-scale for the In (neutral-current) channel.
16	INN	input	Current-channel analog signal input, negative; the datasheet gives a +/-1080 mVp ADC full-scale for the In (neutral-current) channel.
17	VAP	input	Voltage channel A analog signal input, positive; ADC full-scale is +/-930 mVp for voltage channels.
18	VAN	input	Voltage channel A analog signal input, negative; ADC full-scale is +/-930 mVp for voltage channels.
19	VBP	input	Voltage channel B analog signal input, positive; ADC full-scale is +/-930 mVp for voltage channels.
20	VBN	input	Voltage channel B analog signal input, negative; ADC full-scale is +/-930 mVp for voltage channels.
21	VCP	input	Voltage channel C analog signal input, positive; ADC full-scale is +/-930 mVp for voltage channels.
22	VCN	input	Voltage channel C analog signal input, negative; ADC full-scale is +/-930 mVp for voltage channels.
23	DVCC	power_in	Chip digital power supply input; requires external filter capacitors of 10 uF and 0.1 uF.
24	DGND	power_in	Chip digital ground.
25	PA.12	bidirectional	Port A bit 12, external interrupt INT4 (AFCFG=0) or ADC input channel 0 ADCIN0 (AFCFG=1).
26	PA.13	bidirectional	Port A bit 13, external interrupt INT5 (AFCFG=0) or ADC input channel 1 ADCIN1 (AFCFG=1).
27	PG.5	bidirectional	Port G bit 5, external low-voltage detect input LVDIN1 (analog) or PWM main output / capture input / event input TMR0.
28	PG.6	bidirectional	Port G bit 6, SPI1 chip select (SPI1_CS).
29	PG.7	bidirectional	Port G bit 7, SPI1 clock (SPI1_CLK).
30	PG.8	bidirectional	Port G bit 8, SPI1 master-in/slave-out (SPI1_MISO) or UART1 transmit (TX1).
31	PG.9	bidirectional	Port G bit 9, SPI1 master-out/slave-in (SPI1_MOSI) or UART1 receive (RX1).
32	PE.1	bidirectional	Port E bit 1, UART4 transmit (TX4) or RTC second-clock output TOUT2.
33	PE.2	bidirectional	Port E bit 2, UART4 receive (RX4) or 7816_0 IO, with 2 us input filter.
34	PD.8	bidirectional	Port D bit 8, SPI3 chip select (SPI3_CS).
35	PB.1	bidirectional	Port B bit 1, energy metering pulse output 1 (PFOUT1).
36	PB.2	bidirectional	Port B bit 2, energy metering pulse output 2 (PFOUT2) or external interrupt INT9.
37	PB.3	bidirectional	Port B bit 3, energy metering pulse output 3 (PFOUT3) or RTC second-clock output TOUT3.
38	PC.4	bidirectional	Port C bit 4, SPI0 master-out/slave-in (SPI0_MOSI) or UART5 receive (RX5); TTL input, 5 V tolerant, 2 us input filter.
39	PC.5	bidirectional	Port C bit 5, SPI0 master-in/slave-out (SPI0_MISO) or UART5 transmit (TX5); TTL input, 5 V tolerant.
40	PC.6	bidirectional	Port C bit 6, SPI0 clock (SPI0_CLK); TTL input, 5 V tolerant.
41	PC.7	bidirectional	Port C bit 7, SPI0 chip select (SPI0_CS); TTL input, 5 V tolerant.
42	PC.8	bidirectional	Port C bit 8, RTC second-clock output 1 (TOUT1) or external interrupt INT2.
43	PC.13	bidirectional	Port C bit 13, I2C clock (SCL) or external interrupt INT3; TTL input, 5 V tolerant.
44	PC.14	bidirectional	Port C bit 14, I2C data (SDA) or PWM main output / capture input / event input TMR3; TTL input, 5 V tolerant.
45	PA.0	bidirectional	Port A bit 0, SPI2 chip select (SPI2_CS) or PWM main output / capture input / event input TMR1.
46	PA.1	bidirectional	Port A bit 1, SPI2 clock (SPI2_CLK) or PWM output / capture input / event input TMR4.
47	PA.2	bidirectional	Port A bit 2, SPI2 master-in/slave-out (SPI2_MISO) or UART3 receive (RX3).
48	PA.3	bidirectional	Port A bit 3, SPI2 master-out/slave-in (SPI2_MOSI) or UART3 transmit (TX3).
49	PA.5	bidirectional	Port A bit 5, energy metering pulse output 0 (PFOUT0) or external interrupt INT8, with 2 us input filter.
50	PA.6	bidirectional	Port A bit 6, external interrupt INT1; when TEST=0 this pin is fixed as the JTAGWDTEN function, and it supports high-current drive.
51	PE.3	bidirectional	Port E bit 3, clock output CLKOUT or energy metering pulse output 4 (PFOUT4); TTL input.
52	PE.7	bidirectional	Port E bit 7, external low-voltage detect input LVDIN0 (analog) or ADC input channel 5 (ADCIN5).
53	PB.13	bidirectional	Port B bit 13, UART6 transmit (TX6) or SWD data I/O (SWIO); default function is SWIO.
54	PB.15	bidirectional	Port B bit 15, UART6 receive (RX6) or SWD clock (SWCLK); default function is SWCLK.
55	TEST	input	Test pin, active low, with internal 10 kOhm pull-up and 2 us filter.
56	/RST	input	Reset input, active low, with internal approximately 88 kOhm pull-up and 2 us filter.
57	VDD1P5	power_out	Internal digital 1.5 V output; requires external 0.1 uF filter capacitor.
58	DGND	power_in	Chip digital ground.
59	DVCC	power_in	Chip digital power supply input; requires external filter capacitors of 10 uF and 0.1 uF.
60	VTP3	input	Temperature-sensing terminal channel 3 (TBS input).
61	VTP2	input	Temperature-sensing terminal channel 2 (TBS input).
62	VTP1	input	Temperature-sensing terminal channel 1 (TBS input).
63	VTP0	input	Temperature-sensing terminal channel 0 (TBS input).
64	OSCO	output	32 kHz external clock output, associated with the OSCI 32K oscillator pin.

Key specifications

Parameter	Value
Manufacturer	钜泉光电
Package	LQFP-64(10x10)
Category	Data Acquisition
Pins	64

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter	Symbol	Min	Typ	Max	Unit	Conditions	Page
输入电源 VCC (绝对最大额定)	VCC	2		5.5	V	输入电源引脚上的电压	535
输入电压 (数字引脚)	Vi	-0.3			V	所有的数字引脚	535
ADC 输入极限电压	Via	-0.3		3	V	测试 ADC 引脚输入电压，高于此电压可能会导致该引脚损坏	535
ADCBAT 输入极限电压	Vib	-0.3		5	V	测试 ADCBAT 引脚输入电压，高于此电压可能会导致该引脚损坏	535
存储温度	Tstg	-65		150	℃	芯片的极限存储温度	535
静态 ESD (HBM)	VESDhbm	-4000		4000	V	芯片所有的引脚	535
MM 静态 ESD	VESDmm			400	V		535
输入电流 (VCC 电源引脚)	Idd			50	mA	VCC 电源引脚	535
地上电流 (所有 GND 引脚)	Iss			50	mA	所有 GND 引脚	535
LRC 功耗	Ilrc	0.4	0.5	0.6	uA	-45℃~85℃，VCC=5.0V	535
Flash 操作温度		-40		105	℃		537
输入电源 VCC (BOR 关闭)	VCC	2	3.3	5.5	V	输入电源引脚上的电压，BOR 关闭	537
输入电源 VCC (BOR 开启)	VCC	2	3.3	5.5	V	输入电源引脚上的电压，BOR 开启	537
OSC 工作电压		1.5		5.5	V	工作温度-40℃~85℃	538
PLL 工作电压		1.5		5.5	V	工作温度-40℃~85℃	538
HRC 工作电压		2		5.5	V	工作温度-40℃~85℃	538
内部低频 RC 时钟频率 (Flrc)	Flrc	20	32	60	KHz	工作温度-40℃~85℃	538
LRC 工作电压		1.5		5.5	V	工作温度-40℃~85℃	539
LBOR 复位阈值上电翻转电压		1.769		2.1	V		539
LBOR 复位阈值下点翻转电压		1.2	1.648	1.95	V		539
VCC 检测模块功耗	Ivccdet		17		uA	常温，VCC=5.0V	535
BOR 检测模块功耗	Ibor		6.8		uA	常温，VCC=5.0V	535
LVDIN 检测模块功耗	Ilvdin		5.6		uA	常温，VCC=5.0V,单个通道开启	535
HRC 功耗	Ihrc		129		uA	常温，VCC=5.0V	535
PLL 功耗	Ipll		246		uA	常温，VCC=5.0V	535
RTC 功耗（包括 TPS 分时）	Irtc		1.3		uA		535
Hold 功耗	Ihold		11.1		uA		536
Sleep 功耗	Isleep		3.7		uA		536
Crystal32k 下运行功耗	Irunosc		700		nA		536
Flash 字节读取时间			40		ns		536
Flash 字节写时间			20		us		536
Flash 页擦除时间			2		ms		536
Flash 全擦除时间			10		ms		536
大电流 IO 高电平输出电流 (Ioh1)	Ioh1		12		mA	VCC=5V，I/O 口上输出高电压 Voh 降低到 0.9VCC，测试引脚为支持 source 大电流驱动的 IO	537
高电平输出电流 (Ioh2)	Ioh2		5		mA	VCC=5.0V，I/O 口上输出高电压 Voh 降低到 0.9VCC，除支持 source 大电流驱动 GPIO 及 PJx 以外的所有 GPIO 引脚	537
大电流 IO 低电平输出电流 (Iol1)	Iol1		30		mA	VCC=5.0V，I/O 口上输出低电压 Vol 升高到 0.1VCC，测试引脚为支持大电流驱动的所有 GPIO 引脚	537
低电平输出电流 (Iol2)	Iol2		5		mA	VCC=5.0V，I/O 口上输出低电压 Vol 降低到 0.1VCC，除支持大电流驱动的 GPIO 及 PJx 以外的所有 GPIO 引脚	537
输入上拉电阻	Rpull		88		kΩ	VCC=5.0V，除 test 其余 GPIO 引脚	538
输入上拉电阻 (test 引脚)	Rpull		10		kΩ	VCC=5.0V,test 引脚	538
输入漏电流	Iif		0.1		uA	IO 配置为输入，上拉关闭，引脚接 VCC 或 GND	538
开漏输出漏电流	Iod		0.1		uA	IO 配置为输出高，开漏开启，引脚接 GND	538
C-C jitter (PLL)			469		ps	常温	538
PLL 环路倍频比			1344				538
外部 32.768K 晶体时钟频率 (Fosc)	Fosc		32.768		KHz	*1 内封晶体类芯片，晶体型号 SC-32S	538
Fosc 起振时间			500		ms		538
OSC 模块功耗			0.7		uA		538
内部高频 RC 时钟频率 (Fhrc)	Fhrc		20		MHz		538
HRC C-C jitter			140		ps	常温	538
HRC 起振时间			1.15		ms		538
HRC 模块功耗			129.5		uA		538
LRC 起振时间			41.15		us		539
LRC 模块功耗			0.5		uA		539
POR 上电复位阈值			1		V		539
最慢上电速率			1		V/ms		539
最快上电速率			14		V/ms		539
LBOR 迟滞电压			124		mV		539
LBOR 功耗			150		nA		539

CAD (KiCad official)

Symbol: HT7627S
Footprint: Package_QFP:LQFP-64_10x10mm_P0.5mm
3D model: LQFP-64(10x10) (KiCad packages3D, STEP)
3D model files: ht7627s-etched.step / ht7627s-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ht7627s.step / ht7627s.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

Datasheet: 钜泉光电 datasheet (547 pp, sha256 d64ac5e0798c99d9, retrieved 2026-10-17, tier: lcsc)
Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF

# HT7627S

**钜泉光电** · Energy Metering · LQFP-64(10x10)

HT7627S from 钜泉光电, in a LQFP-64(10x10). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

## Pinout

| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | OSCI | input | 32 kHz external clock input for the low-frequency oscillator, used with the external 32.768 kHz crystal. |
| 2 | AGND1 | power_in | Chip analog ground. |
| 3 | VRTC | power_in | RTC/clock power supply input (VRTC domain, 2 to 5.5 V); requires external filter capacitors of 1 uF and 0.1 uF. |
| 4 | PJ.0 | bidirectional | Port J bit 0 in the VRTC domain, STAMP0 RTC time-stamp input with 2 us input filter; GPIO drive is 1.5 mA source and sink, high-impedance by default. |
| 5 | EMU2P8 | power_out | Analog EMU 2.8 V power output; requires external 10 uF and 0.1 uF filter capacitors. |
| 6 | IAP | input | Current channel A analog signal input, positive; ADC full-scale is +/-930 mVp for the current channels. |
| 7 | IAN | input | Current channel A analog signal input, negative; ADC full-scale is +/-930 mVp for the current channels. |
| 8 | VREF | power_in | Metering reference voltage output; requires external filter capacitors of 0.1 uF and 1 uF. |
| 9 | IBP | input | Current channel B analog signal input, positive; ADC full-scale is +/-930 mVp for the current channels. |
| 10 | IBN | input | Current channel B analog signal input, negative; ADC full-scale is +/-930 mVp for the current channels. |
| 11 | AGND2 | power_in | Chip analog ground. |
| 12 | ICP | input | Current channel C analog signal input, positive; ADC full-scale is +/-930 mVp for the current channels. |
| 13 | ICN | input | Current channel C analog signal input, negative; ADC full-scale is +/-930 mVp for the current channels. |
| 14 | AGND3 | power_in | Chip analog ground. |
| 15 | INP | input | Current-channel analog signal input, positive; the datasheet gives a +/-1080 mVp ADC full-scale for the In (neutral-current) channel. |
| 16 | INN | input | Current-channel analog signal input, negative; the datasheet gives a +/-1080 mVp ADC full-scale for the In (neutral-current) channel. |
| 17 | VAP | input | Voltage channel A analog signal input, positive; ADC full-scale is +/-930 mVp for voltage channels. |
| 18 | VAN | input | Voltage channel A analog signal input, negative; ADC full-scale is +/-930 mVp for voltage channels. |
| 19 | VBP | input | Voltage channel B analog signal input, positive; ADC full-scale is +/-930 mVp for voltage channels. |
| 20 | VBN | input | Voltage channel B analog signal input, negative; ADC full-scale is +/-930 mVp for voltage channels. |
| 21 | VCP | input | Voltage channel C analog signal input, positive; ADC full-scale is +/-930 mVp for voltage channels. |
| 22 | VCN | input | Voltage channel C analog signal input, negative; ADC full-scale is +/-930 mVp for voltage channels. |
| 23 | DVCC | power_in | Chip digital power supply input; requires external filter capacitors of 10 uF and 0.1 uF. |
| 24 | DGND | power_in | Chip digital ground. |
| 25 | PA.12 | bidirectional | Port A bit 12, external interrupt INT4 (AFCFG=0) or ADC input channel 0 ADCIN0 (AFCFG=1). |
| 26 | PA.13 | bidirectional | Port A bit 13, external interrupt INT5 (AFCFG=0) or ADC input channel 1 ADCIN1 (AFCFG=1). |
| 27 | PG.5 | bidirectional | Port G bit 5, external low-voltage detect input LVDIN1 (analog) or PWM main output / capture input / event input TMR0. |
| 28 | PG.6 | bidirectional | Port G bit 6, SPI1 chip select (SPI1_CS). |
| 29 | PG.7 | bidirectional | Port G bit 7, SPI1 clock (SPI1_CLK). |
| 30 | PG.8 | bidirectional | Port G bit 8, SPI1 master-in/slave-out (SPI1_MISO) or UART1 transmit (TX1). |
| 31 | PG.9 | bidirectional | Port G bit 9, SPI1 master-out/slave-in (SPI1_MOSI) or UART1 receive (RX1). |
| 32 | PE.1 | bidirectional | Port E bit 1, UART4 transmit (TX4) or RTC second-clock output TOUT2. |
| 33 | PE.2 | bidirectional | Port E bit 2, UART4 receive (RX4) or 7816_0 IO, with 2 us input filter. |
| 34 | PD.8 | bidirectional | Port D bit 8, SPI3 chip select (SPI3_CS). |
| 35 | PB.1 | bidirectional | Port B bit 1, energy metering pulse output 1 (PFOUT1). |
| 36 | PB.2 | bidirectional | Port B bit 2, energy metering pulse output 2 (PFOUT2) or external interrupt INT9. |
| 37 | PB.3 | bidirectional | Port B bit 3, energy metering pulse output 3 (PFOUT3) or RTC second-clock output TOUT3. |
| 38 | PC.4 | bidirectional | Port C bit 4, SPI0 master-out/slave-in (SPI0_MOSI) or UART5 receive (RX5); TTL input, 5 V tolerant, 2 us input filter. |
| 39 | PC.5 | bidirectional | Port C bit 5, SPI0 master-in/slave-out (SPI0_MISO) or UART5 transmit (TX5); TTL input, 5 V tolerant. |
| 40 | PC.6 | bidirectional | Port C bit 6, SPI0 clock (SPI0_CLK); TTL input, 5 V tolerant. |
| 41 | PC.7 | bidirectional | Port C bit 7, SPI0 chip select (SPI0_CS); TTL input, 5 V tolerant. |
| 42 | PC.8 | bidirectional | Port C bit 8, RTC second-clock output 1 (TOUT1) or external interrupt INT2. |
| 43 | PC.13 | bidirectional | Port C bit 13, I2C clock (SCL) or external interrupt INT3; TTL input, 5 V tolerant. |
| 44 | PC.14 | bidirectional | Port C bit 14, I2C data (SDA) or PWM main output / capture input / event input TMR3; TTL input, 5 V tolerant. |
| 45 | PA.0 | bidirectional | Port A bit 0, SPI2 chip select (SPI2_CS) or PWM main output / capture input / event input TMR1. |
| 46 | PA.1 | bidirectional | Port A bit 1, SPI2 clock (SPI2_CLK) or PWM output / capture input / event input TMR4. |
| 47 | PA.2 | bidirectional | Port A bit 2, SPI2 master-in/slave-out (SPI2_MISO) or UART3 receive (RX3). |
| 48 | PA.3 | bidirectional | Port A bit 3, SPI2 master-out/slave-in (SPI2_MOSI) or UART3 transmit (TX3). |
| 49 | PA.5 | bidirectional | Port A bit 5, energy metering pulse output 0 (PFOUT0) or external interrupt INT8, with 2 us input filter. |
| 50 | PA.6 | bidirectional | Port A bit 6, external interrupt INT1; when TEST=0 this pin is fixed as the JTAGWDTEN function, and it supports high-current drive. |
| 51 | PE.3 | bidirectional | Port E bit 3, clock output CLKOUT or energy metering pulse output 4 (PFOUT4); TTL input. |
| 52 | PE.7 | bidirectional | Port E bit 7, external low-voltage detect input LVDIN0 (analog) or ADC input channel 5 (ADCIN5). |
| 53 | PB.13 | bidirectional | Port B bit 13, UART6 transmit (TX6) or SWD data I/O (SWIO); default function is SWIO. |
| 54 | PB.15 | bidirectional | Port B bit 15, UART6 receive (RX6) or SWD clock (SWCLK); default function is SWCLK. |
| 55 | TEST | input | Test pin, active low, with internal 10 kOhm pull-up and 2 us filter. |
| 56 | /RST | input | Reset input, active low, with internal approximately 88 kOhm pull-up and 2 us filter. |
| 57 | VDD1P5 | power_out | Internal digital 1.5 V output; requires external 0.1 uF filter capacitor. |
| 58 | DGND | power_in | Chip digital ground. |
| 59 | DVCC | power_in | Chip digital power supply input; requires external filter capacitors of 10 uF and 0.1 uF. |
| 60 | VTP3 | input | Temperature-sensing terminal channel 3 (TBS input). |
| 61 | VTP2 | input | Temperature-sensing terminal channel 2 (TBS input). |
| 62 | VTP1 | input | Temperature-sensing terminal channel 1 (TBS input). |
| 63 | VTP0 | input | Temperature-sensing terminal channel 0 (TBS input). |
| 64 | OSCO | output | 32 kHz external clock output, associated with the OSCI 32K oscillator pin. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | 钜泉光电 |
| Package | LQFP-64(10x10) |
| Category | Data Acquisition |
| Pins | 64 |

## Electrical characteristics

Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).

| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| 输入电源 VCC (绝对最大额定) | VCC | 2 |  | 5.5 | V | 输入电源引脚上的电压 | 535 |
| 输入电压 (数字引脚) | Vi | -0.3 |  |  | V | 所有的数字引脚 | 535 |
| ADC 输入极限电压 | Via | -0.3 |  | 3 | V | 测试 ADC 引脚输入电压，高于此电压可能会导致该引脚损坏 | 535 |
| ADCBAT 输入极限电压 | Vib | -0.3 |  | 5 | V | 测试 ADCBAT 引脚输入电压，高于此电压可能会导致该引脚损坏 | 535 |
| 存储温度 | Tstg | -65 |  | 150 | ℃ | 芯片的极限存储温度 | 535 |
| 静态 ESD (HBM) | VESDhbm | -4000 |  | 4000 | V | 芯片所有的引脚 | 535 |
| MM 静态 ESD | VESDmm |  |  | 400 | V |  | 535 |
| 输入电流 (VCC 电源引脚) | Idd |  |  | 50 | mA | VCC 电源引脚 | 535 |
| 地上电流 (所有 GND 引脚) | Iss |  |  | 50 | mA | 所有 GND 引脚 | 535 |
| LRC 功耗 | Ilrc | 0.4 | 0.5 | 0.6 | uA | -45℃~85℃，VCC=5.0V | 535 |
| Flash 操作温度 |  | -40 |  | 105 | ℃ |  | 537 |
| 输入电源 VCC (BOR 关闭) | VCC | 2 | 3.3 | 5.5 | V | 输入电源引脚上的电压，BOR 关闭 | 537 |
| 输入电源 VCC (BOR 开启) | VCC | 2 | 3.3 | 5.5 | V | 输入电源引脚上的电压，BOR 开启 | 537 |
| OSC 工作电压 |  | 1.5 |  | 5.5 | V | 工作温度-40℃~85℃ | 538 |
| PLL 工作电压 |  | 1.5 |  | 5.5 | V | 工作温度-40℃~85℃ | 538 |
| HRC 工作电压 |  | 2 |  | 5.5 | V | 工作温度-40℃~85℃ | 538 |
| 内部低频 RC 时钟频率 (Flrc) | Flrc | 20 | 32 | 60 | KHz | 工作温度-40℃~85℃ | 538 |
| LRC 工作电压 |  | 1.5 |  | 5.5 | V | 工作温度-40℃~85℃ | 539 |
| LBOR 复位阈值 上电翻转电压 |  | 1.769 |  | 2.1 | V |  | 539 |
| LBOR 复位阈值 下点翻转电压 |  | 1.2 | 1.648 | 1.95 | V |  | 539 |
| VCC 检测模块功耗 | Ivccdet |  | 17 |  | uA | 常温，VCC=5.0V | 535 |
| BOR 检测模块功耗 | Ibor |  | 6.8 |  | uA | 常温，VCC=5.0V | 535 |
| LVDIN 检测模块功耗 | Ilvdin |  | 5.6 |  | uA | 常温，VCC=5.0V,单个通道开启 | 535 |
| HRC 功耗 | Ihrc |  | 129 |  | uA | 常温，VCC=5.0V | 535 |
| PLL 功耗 | Ipll |  | 246 |  | uA | 常温，VCC=5.0V | 535 |
| RTC 功耗（包括 TPS 分时） | Irtc |  | 1.3 |  | uA |  | 535 |
| Hold 功耗 | Ihold |  | 11.1 |  | uA |  | 536 |
| Sleep 功耗 | Isleep |  | 3.7 |  | uA |  | 536 |
| Crystal32k 下运行功耗 | Irunosc |  | 700 |  | nA |  | 536 |
| Flash 字节读取时间 |  |  | 40 |  | ns |  | 536 |
| Flash 字节写时间 |  |  | 20 |  | us |  | 536 |
| Flash 页擦除时间 |  |  | 2 |  | ms |  | 536 |
| Flash 全擦除时间 |  |  | 10 |  | ms |  | 536 |
| 大电流 IO 高电平输出电流 (Ioh1) | Ioh1 |  | 12 |  | mA | VCC=5V，I/O 口上输出高电压 Voh 降低到 0.9VCC，测试引脚为支持 source 大电流驱动的 IO | 537 |
| 高电平输出电流 (Ioh2) | Ioh2 |  | 5 |  | mA | VCC=5.0V，I/O 口上输出高电压 Voh 降低到 0.9VCC，除支持 source 大电流驱动 GPIO 及 PJx 以外的所有 GPIO 引脚 | 537 |
| 大电流 IO 低电平输出电流 (Iol1) | Iol1 |  | 30 |  | mA | VCC=5.0V，I/O 口上输出低电压 Vol 升高到 0.1VCC，测试引脚为支持大电流驱动的所有 GPIO 引脚 | 537 |
| 低电平输出电流 (Iol2) | Iol2 |  | 5 |  | mA | VCC=5.0V，I/O 口上输出低电压 Vol 降低到 0.1VCC，除支持大电流驱动的 GPIO 及 PJx 以外的所有 GPIO 引脚 | 537 |
| 输入上拉电阻 | Rpull |  | 88 |  | kΩ | VCC=5.0V，除 test 其余 GPIO 引脚 | 538 |
| 输入上拉电阻 (test 引脚) | Rpull |  | 10 |  | kΩ | VCC=5.0V,test 引脚 | 538 |
| 输入漏电流 | Iif |  | 0.1 |  | uA | IO 配置为输入，上拉关闭，引脚接 VCC 或 GND | 538 |
| 开漏输出漏电流 | Iod |  | 0.1 |  | uA | IO 配置为输出高，开漏开启，引脚接 GND | 538 |
| C-C jitter (PLL) |  |  | 469 |  | ps | 常温 | 538 |
| PLL 环路倍频比 |  |  | 1344 |  |  |  | 538 |
| 外部 32.768K 晶体时钟频率 (Fosc) | Fosc |  | 32.768 |  | KHz | *1 内封晶体类芯片，晶体型号 SC-32S | 538 |
| Fosc 起振时间 |  |  | 500 |  | ms |  | 538 |
| OSC 模块功耗 |  |  | 0.7 |  | uA |  | 538 |
| 内部高频 RC 时钟频率 (Fhrc) | Fhrc |  | 20 |  | MHz |  | 538 |
| HRC C-C jitter |  |  | 140 |  | ps | 常温 | 538 |
| HRC 起振时间 |  |  | 1.15 |  | ms |  | 538 |
| HRC 模块功耗 |  |  | 129.5 |  | uA |  | 538 |
| LRC 起振时间 |  |  | 41.15 |  | us |  | 539 |
| LRC 模块功耗 |  |  | 0.5 |  | uA |  | 539 |
| POR 上电复位阈值 |  |  | 1 |  | V |  | 539 |
| 最慢上电速率 |  |  | 1 |  | V/ms |  | 539 |
| 最快上电速率 |  |  | 14 |  | V/ms |  | 539 |
| LBOR 迟滞电压 |  |  | 124 |  | mV |  | 539 |
| LBOR 功耗 |  |  | 150 |  | nA |  | 539 |

## CAD (KiCad official)

- Symbol: `HT7627S`
- Footprint: `Package_QFP:LQFP-64_10x10mm_P0.5mm`
- 3D model: LQFP-64(10x10) (KiCad packages3D, STEP)
- 3D model files: `ht7627s-etched.step` / `ht7627s-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ht7627s.step` / `ht7627s.glb` are the bare package body.

## Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

- **Datasheet:** [钜泉光电 datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589785232980410368) (547 pp, sha256 `d64ac5e0798c99d9`, retrieved 2026-10-17, tier: lcsc)
- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (text), consensus `claude-sonnet-5-5` (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
- **CAD:** KiCad official libraries (CC-BY-SA 4.0).

[Datasheet PDF](docs/ht7627s-datasheet.pdf)