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SP3232EEN-HXY

HXY MOSFET · RS232 ICs · SOP-16

SP3232EEN-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	Positive terminal for the first charge pump capacitor.
2	V+	power_out	Doubled voltage terminal, with the transmitter high output voltage V+ rated at VCC-0.3 V in the absolute maximum ratings.
3	C1-	passive	Negative terminal for the first charge pump capacitor.
4	C2+	passive	Positive terminal for the second charge pump capacitor.
5	C2-	passive	Negative terminal for the second charge pump capacitor.
6	V-	power_out	Inverted voltage terminal, with the transmitter low output voltage V- rated from -0.3 V to -14 V in the absolute maximum ratings.
7	T2OUT	output	Second transmitter output, with the voltage applied to the transmitter output rated from V- -13.2 V to V+ +12.2 V.
8	R2IN	input	Second receiver input, with the receiver input voltage rated at -25 V to 25 V.
9	R2OUT	output	Second receiver output, with the voltage applied to the receiver output rated from -0.3 V to VCC+0.3 V.
10	T2IN	input	Second transmitter input, with the transmitter input voltage rated from -0.3 V to V+ +6 V.
11	T1IN	input	First transmitter input, with the transmitter input voltage rated from -0.3 V to V+ +6 V.
12	R1OUT	output	First receiver output, with the voltage applied to the receiver output rated from -0.3 V to VCC+0.3 V.
13	R1IN	input	First receiver input, with the receiver input voltage rated at -25 V to 25 V.
14	T1OUT	output	First transmitter output, with the voltage applied to the transmitter output rated from V- -13.2 V to V+ +12.2 V.
15	GND	power_in	Ground reference for the device.
16	VCC	power_in	Supply voltage, rated at -0.3 V to 6.0 V in the absolute maximum ratings.

Key specifications

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

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	-0.3		6	V		3
Transmitter Low Output Voltage	V-	-0.3		-14	V		3
Transmitter Input Voltage	VTIN	-0.3			V		3
Receiver Input Voltage	VRIN	-25		25	V		3
Voltage Applied to Receiver Output	VROUT	-0.3			V		3
Storage Temperature Range	TSTG	-65		150	°C		3
Thermal resistance junction-to-case	Rth-jc		30		°C/W		3
Thermal resistance junction-to-ambient	Rth-ja		95		°C/W		3
Supply current	ISUPPLY		0.3	1	mA	No load, VCC = 3V or 5V	3
Input logic threshold low	VTIL			0.8	V		3
Input logic threshold high	VTIH	2			V		3
Transmitter input hysteresis	VHYS		0.25		V		3
ESD Human-Body Model (DOUT, RIN)		-15		15	kV		3
ESD IEC-1000-4-2 (DOUT, RIN)		-8		8	kV	Contact discharge	3
Receiver input voltage operating range	VRIN	-25		25	V		4
RS-232 input threshold low	VRIL		0.6	1.1	V	TA = 25 °C, VCC = 3.3 V	4
RS-232 input threshold low	VRIL		0.8	1.5	V	TA = 25 °C, VCC = 5 V	4
RS-232 input threshold high	VRIH		1.4	2.4	V	TA = 25 °C, VCC = 3.3 V	4
RS-232 input threshold high	VRIH	1.8		2.4	V	TA = 25 °C, VCC = 5 V	4
Input hysteresis	VRIHYS		0.5		V		4
Input resistance	RRIN	3	5	7	kΩ	TA = 25 °C	4
TTL/CMOS Output voltage low	VROL			0.4	V	IOUT = 1.6 mA	4
Data transfer rate	DR		250		kbps	RL = 3 kΩ, CL2 = 1000 pF, one transmitter switching	4
Propagation delay input to output	tPHLR/tPLHR		0.15		µs	RXIN = RXOUT, CL = 150 pF	4
Receiver output enable time	tOER		50		ns	Normal operation	4
Receiver output disable time	tODR		50		ns	Normal operation	4
Transmitter propagation delay difference	/tPHLT - tTHL/		200		ns		4
Receiver propagation delay difference	/tPHLR - tTHR/		50		ns		4
Transition slew rate	SRT	6		30	V/µs	TA = 25 °C, RL = 3 kΩ to 7 kΩ, VCC = 3.3 V, CL = 150 pF to 1000 pF	4
Transition slew rate	SRT	4		30	V/µs	TA = 25 °C, RL = 3 kΩ to 7 kΩ, VCC = 3.3 V, CL = 150 pF to 2500 pF	4
Transmitter output voltage swing	VTOUT	-5.4		5.4	V	All transmitter outputs loaded with 3 kΩ to GND	4
Transmitter output resistance	RTOUT	300			Ω	VCC = 0 V or 3.3 V or 5.5 V, VCC=±12 V	4
Output short-circuit current	ISC	-60		60	mA		4
Output leakage current	ITOL	-25		25	uA		4

CAD (KiCad official)

Symbol: SP3232EEN-HXY
Footprint: Package_SO:SOIC-16_3.9x9.9mm_P1.27mm
3D model: SOP-16 (KiCad packages3D, STEP)
3D model files: sp3232een-hxy-etched.step / sp3232een-hxy-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sp3232een-hxy.step / sp3232een-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 ca8feee8fd7c8d1f, retrieved 2026-10-27, 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