component

HT4116ARMZ

Public Made by Adom

by adom

HTCSEMI Real Time Clocks, MSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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HT4116ARMZ

HTCSEMI · Real Time Clocks · MSOP-8

HT4116ARMZ from HTCSEMI, in a MSOP-8. 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 Oscillator input for the external 32.768 kHz crystal.
2 OSCO output Oscillator output for the external 32.768 kHz crystal.
3 VBAT power_in Battery supply voltage, 2.5 to 3.5 V (3 V typ.), used for backup when VCC falls below the switchover voltage VSO.
4 VSS power_in Ground.
5 SDA bidirectional Serial data address input/output of the I2C bus; requires an external pull-up resistor to a positive supply.
6 SCL input Serial clock input of the I2C bus (0 to 100 kHz); requires an external pull-up resistor to a positive supply.
7 FT/OUT output Frequency test (512 Hz) or output driver pin, open drain, requires an external pull-up resistor (pull-up supply up to 5.5 V).
8 VCC power_in Supply voltage, 2.0 to 5.5 V clock operating voltage.

Key specifications

Parameter Value
Manufacturer HTCSEMI
Package MSOP-8
Category Clock/Timing
Pins 8

Electrical characteristics

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

Parameter Symbol Min Typ Max Unit Conditions Page
Supply voltage (VCC) VCC 2 5.5 V 15
Ambient operating temperature (TA) TA -40 85 °C 15
Ambient operating temperature TA -40 85 °C 14
Input voltage (VIO) VIO -0.3 7 V 14
Supply voltage (VCC) VCC -0.3 7 V 14
Output current (IO) IO 20 mA 14
Power dissipation (PD) PD 0.25 W 14
Lead solder temperature (TSLD) TSLD 260 °C for 10 seconds 14
Input leakage current (ILI) ILI -1 1 µA 0V ≤ VIN ≤ VCC 16
Output leakage current (ILO) ILO -1 1 µA 0V ≤ VOUT ≤ VCC 16
Supply current (ICC1) ICC1 300 µA Switch frequency = 100 kHz 16
Supply current (standby) (ICC2) ICC2 70 µA SCL, SDA = VCC, 0.3 V 16
Input low voltage VIL -0.3 0.3 x VCC 16
Input high voltage VIH 0.7 x VCC 16
Output low voltage VOL 0.4 V IOL = 3 mA 16
Pull-up supply voltage (open drain) FT/OUT 5.5 V open drain FT/OUT 16
Battery supply voltage VBAT 2.5 3 3.5 V 16
Battery supply current IBAT 0.8 1 µA TA = 25°C, VCC = 0 V, oscillator ON, VBAT = 3 V 16
SCL clock frequency fSCL 0 100 kHz 7
Clock low period tLOW 4.7 µs 7
Clock high period tHIGH 4 µs 7
SDA and SCL rise time tR 1 µs 7
SDA and SCL fall time tF 300 ns 7
START condition hold time tHD:STA 4 µs (after this period the first clock pulse is generated) 7
START condition setup time tSU:STA 4.7 µs (only relevant for a repeated start condition) 7
Data setup time tSU:DAT 250 ns 7
Data hold time tHD:DAT 0 µs 7
STOP condition setup time tSU:STO 4.7 µs 7
Time the bus must be free before a new transmission can start tBUF 4.7 µs 7
Input capacitance (SCL) CIN 7 pF 16
Output capacitance (SDA, FT/OUT) COUT 10 pF 16
Low-pass filter input time constant (SDA and SCL) tLP 250 1000 ns 16
SCL and SDA at VIH before power down tPD 0 ns 17
SCL and SDA at VIH after power up tREC 10 µs 17
Battery backup switchover voltage (VSO), printed as VBAT minus offset VSO -0.8 -0.5 -0.3 V 17
Series resistance (ESR, max per note 4) RS 110 k VCC or VBAT > 2.5 V 16
Series resistance RS 60 k 16
Resonant frequency fO 32.768 kHz 16
Load capacitance CL 12.5 pF 16

CAD (KiCad official)

  • Symbol: HT4116ARMZ
  • Footprint: Package_SO:MSOP-8_3x3mm_P0.65mm
  • 3D model: MSOP-8 (KiCad packages3D, STEP)
  • 3D model files: ht4116armz-etched.step / ht4116armz-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ht4116armz.step / ht4116armz.glb are the bare package body.

Provenance

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

  • Datasheet: HTCSEMI datasheet (22 pp, sha256 83c38d91f2138b9d, retrieved 2026-10-18, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-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