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MAX3232ESE-HXY

HXY MOSFET · RS232 ICs · SOP-16

MAX3232ESE-HXY from HXY MOSFET, in a SOP-16. 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	C1+	passive	Terminal for the positive charge-pump C1 capacitor (one of four 1.0µF external capacitors).
2	V+	power_out	Positive voltage generated by the charge pump; the datasheet gives the transmitter high output as VCC-0.3 V minimum, and V+ must not exceed the absolute maximum of VCC+... (V+ is an internally generated rail, not a supply input).
3	C1-	passive	Terminal for the negative charge-pump C1 capacitor (one of four 1.0µF external capacitors).
4	C2+	passive	Terminal for the positive charge-pump C2 capacitor (one of four 1.0µF external capacitors).
5	C2-	passive	Terminal for the negative charge-pump C2 capacitor (one of four 1.0µF external capacitors).
6	V-	power_out	Negative voltage generated by the charge pump; the absolute maximum rating for transmitter low output voltage is -7.0 V minimum.
7	T2OUT	output	RS-232 driver output at RS-232 levels; transmitter output short-circuit current is rated ±60 mA.
8	R2IN	input	RS-232 receiver input at RS-232 levels; receiver input voltage is rated -12 V to 12 V.
9	R2OUT	output	RS-232 receiver output at TTL/CMOS levels.
10	T2IN	input	RS-232 driver input at TTL/CMOS levels; transmitter input voltage range is 0 V to VCC.
11	T1IN	input	RS-232 driver input at TTL/CMOS levels; transmitter input voltage range is 0 V to VCC.
12	R1OUT	output	RS-232 receiver output at TTL/CMOS levels.
13	R1IN	input	RS-232 receiver input at RS-232 levels; receiver input voltage is rated -12 V to 12 V.
14	T1OUT	output	RS-232 driver output at RS-232 levels; transmitter output short-circuit current is rated ±60 mA.
15	GND	power_in	Ground reference for the device.
16	VCC	power_in	Supply voltage input; the datasheet gives a supply range of 3 V to 5.5 V.

Key specifications

Parameter	Value
Manufacturer	HXY MOSFET
Package	SOP-16
Category	Interface
Pins	16

Electrical characteristics

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

Parameter	Symbol	Min	Max	Unit	Conditions	Page
Supply Voltage	VCC	0.3	5.5	V		1
Transmitter Low Output Voltage	V-	-7	0.3	V		1
Transmitter Input Voltage	VTIN	-0.3		V		1
Receiver Input Voltage	VRIN	-12	12	V		1
Voltage Applied to Receiver Output	VROUT	-0.3		V		1
Storage Temperature Range	TSTG	-65	150	°C		1
Supply Voltage	VCC		5.5	V		1
Transmitter Input Voltage	VTIN	0		V		1
Receiver Input Voltage	VRIN	-12	12	V		1
Output Current of Transmitter Short Circuit	ISC	-60	60	mA		1
Ambient Temperature Range	TA	-40	85	°C		1
Supply Current	ICC		10	mA	VCC = 5.5V, VIL = 0V	4
Hysteresis Voltage	Vh	0.2	1	V	VCC = 5.0V	4
On (Operation) Voltage	Von		2.3	V	VO ≤ 0.1V, IOL ≤ 20µA	4
Off (Dropout) Voltage	Voff	0.9		V	VO ≥ VCC - 0.1V, IOH ≤ -20µA	4
Receiver Output Low Voltage	VOL		0.4	V	IL = 3.2mA, VCC = 4.5V, VIH = 2.4V	4
Receiver Output High Voltage	VOH	3.5		V	IOH = -1.0mA, VCC = 4.5V, VIL = 0.8V	4
Input Resistance	RI	3	7	kΩ	VCC = 5.0V	4
Transmitter Output Low Voltage	VOL		-5	V	VCC = 4.5V, VIH = 2.0V, RL = 3.0kΩ	4
Transmitter Output High Voltage	VOH	5		V	VCC = 4.5V, VIL = 0.8V, RL = 3.0kΩ	4
Input Low Current	IIL		-10	µA	VCC = 5.5V, VIL = 0V	4
Input High Current	IIH		10	µA	VCC = 5.5V, VIH = VCC	4
Speed Of Output Front Charge	SR	2.7	27	V/µs	VCC = 5.0V, CL = 50 - 1000pF, RL = 3.0 - 7.0kΩ	4
Output Resistance	RO	300		Ω	VCC = V+ = V- = 0V, VO = ±2V	4
Short Circuit Output Current	ISC		-60	mA	VCC = 5.5V, VO = 0V, VI = VCC	4
Short Circuit Output Current	ISC		60	mA	VI = 0	4
Speed Of Information Transmission	ST	300		kbit/s	VCC = 4.5V, CL = 1000pF, RL = 3.0kΩ, tW = 7µs (for extreme, tW = 8µs)	4
Signal Propagation Delay Time When Switching On (Off) Receiver	tPHLR (tPLHR)		10	µs	VCC = 4.5V, CL = 150pF, VIL = 0V, VIH = 3.0V, tLH = tHL ≤ 10ns	4
Signal Propagation Delay Time When Switching On (Off) Transmitter	tPHLT (tPLHT)		6	µs	VCC = 4.5V, CL = 2500pF, VIL = 0V, VIH = 3.0V, RL = 3kΩ, tLH = tHL ≤ 10ns	4

CAD (KiCad official)

Symbol: MAX3232ESE-HXY
Footprint: Package_SO:SOIC-16_3.9x9.9mm_P1.27mm
3D model: SOP-16 (KiCad packages3D, STEP)
3D model files: max3232ese-hxy-etched.step / max3232ese-hxy-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); max3232ese-hxy.step / max3232ese-hxy.glb are the bare package body.

Provenance

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

Datasheet: HXY MOSFET datasheet (8 pp, sha256 fc98bf2e6e0b3aec, retrieved 2026-10-18, tier: lcsc)
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