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MAX232CSE-HXY

Public Made by Adom

by adom

HXY MOSFET RS232 ICs, SOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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MAX232CSE-HXY

HXY MOSFET · RS232 ICs · SOP-16

MAX232CSE-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 of the external flying capacitor C1 for the positive voltage multiplier, which uses 1.0 µF capacitors in the typical application circuit.
2 V+ power_out Positive transmitter supply from the charge pump, with a recommended minimum of 5.0 V and an absolute maximum of 14 V (referenced to GND).
3 C1- passive Negative terminal of the external flying capacitor C1 for the positive voltage multiplier, which uses 1.0 µF capacitors in the typical application circuit.
4 C2+ passive Positive terminal of the external flying capacitor C2 for the negative voltage multiplier, which uses 1.0 µF capacitors in the typical application circuit.
5 C2- passive Negative terminal of the external flying capacitor C2 for the negative voltage multiplier, which uses 1.0 µF capacitors in the typical application circuit.
6 V- power_out Negative transmitter supply from the charge pump, with a recommended minimum of -5.0 V and an absolute minimum of -14 V (referenced to GND).
7 T2OUT output RS-232 level output of transmitter 2, with short-circuit output current limited to ±60 mA in the recommended operating conditions.
8 R2IN input RS-232 level input of receiver 2, rated for receiver input voltage of ±30 V.
9 R2OUT output TTL/CMOS level output of receiver 2, which is low when R2IN is high and high when R2IN is low per the truth table.
10 T2IN input TTL/CMOS level input of transmitter 2, which is inverted to T2OUT and should be driven within the transmitter input range of 0 V to VCC.
11 T1IN input TTL/CMOS level input of transmitter 1, which is inverted to T1OUT and should be driven within the transmitter input range of 0 V to VCC.
12 R1OUT output TTL/CMOS level output of receiver 1, which is low when R1IN is high and high when R1IN is low per the truth table.
13 R1IN input RS-232 level input of receiver 1, rated for receiver input voltage of ±30 V.
14 T1OUT output RS-232 level output of transmitter 1, with short-circuit output current limited to ±60 mA in the recommended operating conditions.
15 GND power_in Common ground reference for the device.
16 VCC power_in Supply voltage input with a recommended range of 4.5 V to 5.5 V and an absolute maximum of 6.0 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 Typ Max Unit Conditions Page
Supply voltage (maximum rating) VCC -0.3 6 V 2
Transmitter high output voltage (maximum rating) V+ 14 V 2
Transmitter low output voltage (maximum rating) V- -0.3 -14 V 2
Transmitter input voltage (maximum rating) VTIN -0.3 V 2
Receiver input voltage (maximum rating) VRIN -30 30 V 2
Dissipated power, SO package PD 762 mW SO package 2
Ambient temperature (maximum rating) -60 150 2
Supply voltage (recommended) VCC 4.5 5.5 V 3
Transmitter output high voltage (recommended) V+ 5 V 3
Transmitter output low voltage (recommended) V- -5 V 3
Receiver input voltage (recommended) VRIN -30 30 V 3
Transmitter short circuit output current (recommended) ISC -60 60 mA 3
Ambient temperature (recommended) -40 85 3
Consumption current static, 25 °C ICC 10 mA VCC = 5.5 V; VIL = 0 V; 25 °C 4
Consumption current static, -40 °C to 85 °C ICC 14 mA VCC = 5.5 V; VIL = 0 V; -40 °C to 85 °C 4
Hysteresis voltage, 25 °C Vh 0.2 0.9 V VCC = 5.0 V; 25 °C 4
Hysteresis voltage, -40 °C to 85 °C Vh 0.2 1 V VCC = 5.0 V; -40 °C to 85 °C 4
On (operation) voltage, 25 °C VOn 2.4 V VO ≤ 0.1 V; IOL ≤ 20 mkA; 25 °C 4
On (operation) voltage, -40 °C to 85 °C VOn 2.3 V VO ≤ 0.1 V; IOL ≤ 20 mkA; -40 °C to 85 °C 4
Off (dropout) voltage, 25 °C Voff 0.8 V VO ≥ VCC -0.1 V; IOH ≤ -20 µA; 25 °C 4
Off (dropout) voltage, -40 °C to 85 °C Voff 0.9 V VO ≥ VCC -0.1 V; IOH ≤ -20 µA; -40 °C to 85 °C 4
Receiver output low voltage, 25 °C VOL 0.3 V IOL = 3.2 mA; VCC = 4.5 V; VIH = 2.4 V; 25 °C 4
Receiver output low voltage, -40 °C to 85 °C VOL 0.4 V IOL = 3.2 mA; VCC = 4.5 V; VIH = 2.4 V; -40 °C to 85 °C 4
Receiver output high voltage, 25 °C VOH 3.6 V IOH = -1.0; VCC = 4.5 V; VIL = 0.8 V; 25 °C 4
Receiver output high voltage, -40 °C to 85 °C VOH 3.5 V IOH = -1.0; VCC = 4.5 V; VIL = 0.8 V; -40 °C to 85 °C 4
Input resistance, 25 °C RI 3 7 kOhm V = 5.0 V; 25 °C 4
Input resistance, -40 °C to 85 °C RI 3 7 kOhm V = 5.0 V; -40 °C to 85 °C 4
Transmitter output low voltage, 25 °C VOL -5.2 V V = 4.5 V; VIH = 2.0 V; RL = 3.0 kOhm; 25 °C 4
Transmitter output low voltage, -40 °C to 85 °C VOL -5 V V = 4.5 V; VIH = 2.0 V; RL = 3.0 kOhm; -40 °C to 85 °C 4
Transmitter output high voltage, 25 °C VOH 5.2 V V = 4.5 V; VIL = 0.8 V; RL = 3.0 kOhm; 25 °C 4
Transmitter output high voltage, -40 °C to 85 °C VOH 5 V V = 4.5 V; VIL = 0.8 V; RL = 3.0 kOhm; -40 °C to 85 °C 4
Input low current, 25 °C IIL -1 µA V = 5.5 V; VIL = 0 V; 25 °C 4
Input low current, -40 °C to 85 °C IIL -10 µA V = 5.5 V; VIL = 0 V; -40 °C to 85 °C 4
Input high current IIH 1 10 µA V = 5.5 V; VIH = V (as printed) 4
Speed of output front change, 25 °C SR 3 30 V/mks V = 5.0 V; CL = 50-1000 pF; RL = 3.0-7.0 kOhm; 25 °C 4
Speed of output front change, -40 °C to 85 °C SR 2.7 27 V/mks V = 5.0 V; CL = 50-1000 pF; RL = 3.0-7.0 kOhm; -40 °C to 85 °C 4
Output resistance, 25 °C R 350 Ohm V = V+ = V- = 0 V; VO = ± 2 V; 25 °C 4
Output resistance, -40 °C to 85 °C R 300 Ohm V = V+ = V- = 0 V; VO = ± 2 V; -40 °C to 85 °C 4
Short circuit output current, 25 °C ISC -50 50 mA V = 5.5 V; VO = 0 V; VI = 0 V; 25 °C 4
Short circuit output current, -40 °C to 85 °C ISC -60 60 mA V = 5.5 V; VO = 0 V; VI = 0 V; -40 °C to 85 °C 4
Speed of information transmission, 25 °C ST 140 kbps V = 4.5 V; CL = 1000 pF; RL = 3.0 kOhm; tW = 7µS (extreme tW = 8µS); 25 °C 4
Speed of information transmission, -40 °C to 85 °C ST 120 kbps V = 4.5 V; CL = 1000 pF; RL = 3.0 kOhm; tW = 7µS (extreme tW = 8µS); -40 °C to 85 °C 4
Signal propagation delay time when switching on (off), 25 °C tPHLR (tPLHR) 9.7 µS V = 4.5 V; CL = 150 pF; VIL = 0 V; VIH = 3.0 V; tLH = tHL ≤ 10 ns; 25 °C 5
Signal propagation delay time when switching on (off), -40 °C to 85 °C tPHLR (tPLHR) 10 µS V = 4.5 V; CL = 150 pF; VIL = 0 V; VIH = 3.0 V; tLH = tHL ≤ 10 ns; -40 °C to 85 °C 5
Input capacitance CIN 9 pF VCC = 5.0 V 5

CAD (KiCad official)

  • Symbol: MAX232CSE-HXY
  • Footprint: Package_SO:SOIC-16_3.9x9.9mm_P1.27mm
  • 3D model: SOP-16 (KiCad packages3D, STEP)
  • 3D model files: max232cse-hxy-etched.step / max232cse-hxy-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); max232cse-hxy.step / max232cse-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 0e301d9e714155f8, 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