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MAX13433EIDRG

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HANSCHIP semiconductor RS-485/RS-422 ICs, SOP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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MAX13433EIDRG

HANSCHIP semiconductor · RS-485/RS-422 ICs · SOP-14

MAX13433EIDRG from HANSCHIP semiconductor, in a SOP-14. 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 VL power_in Input logic level supply, bypassed with a 0.1µF capacitor from VL to GND placed as close as possible to the pin, with VL operating from 1.62V to VCC.
2 RO output Receiver output that is high when V(A)-V(B) is greater than or equal to -50mV and low when V(A)-V(B) is less than or equal to -200mV while the receiver is enabled.
3 DE input Driver output enable; a high level enables the driver and a low level disables it so its outputs go to high impedance.
4 RE input Receiver output enable; RO is active when RE is low and the receiver is disabled when RE is high.
5 DI input Driver input; DI low forces the non-inverting output low and the inverting output high, and DI high forces the non-inverting output high and the inverting output low.
6 GND power_in Ground reference for the device.
7 NC unconnected Not connected.
8 GND power_in Ground reference for the device.
9 Y bidirectional Driver non-inverting output and receiver non-inverting input.
10 Z bidirectional Driver inverting output and receiver inverting input.
11 B bidirectional Bus terminal B, the inverting input of the receiver, with the receiver threshold between -50mV and -200mV on A-B.
12 A bidirectional Bus terminal A, the non-inverting input of the receiver, with the receiver threshold between -50mV and -200mV on A-B.
13 NC unconnected Not connected.
14 VCC power_in Positive supply, bypassed with a 0.1µF capacitor from VCC to GND, with a recommended supply range of 3 to 5.5V.

Key specifications

Parameter Value
Manufacturer HANSCHIP semiconductor
Package SOP-14
Category Communication Interface Chip
Pins 14

Electrical characteristics

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

Parameter Symbol Min Typ Max Unit Conditions Page
Recommended operating voltage VDD 3 5.5 V 3
Operating temperature TA -40 85 ℃ 3
Maximum operating voltage VCC 7 V 3
Logic pin voltage -0.3 7 V DE, RE, DI, RO, SRL, TXP, RXP, H/F 3
Bus pin voltage -8 13 V A, B, Y, Z 3
Storage temperature TSTG -65 150 ℃ 3
Maximum junction temperature TJ 150 ℃ 3
ESD human body model ESD-HBM 2000 V 3
Supply voltage range VCC 3 5.5 V 4
Logic supply voltage VL 1.62 V max = VCC 4
Differential driver output, R=50 ohm (RS-422) VOD2 2 V Fig 1, R=50Ω (RS-422) 4
Differential driver output, R=27 ohm (RS-485) VOD2 1.5 V Fig 1, R=27Ω (RS-485) 4
Differential output magnitude change ΔVOD 0.2 V Fig 1, R=50Ω or R=27Ω 4
Driver output common-mode voltage VOC 3 V Fig 1, R=50Ω or R=27Ω 4
Driver output common-mode change ΔVOC 0.2 V Fig 1, R=50Ω or R=27Ω 4
Input current IIN1 -1 1 µA DE, DI, RE, VL (note 2) 4
Input leakage current (Y,Z,A,B) IIN4 125 µA DE=GND, VCC=GND or 5.5V, VIN=12V 4
Input leakage current (Y,Z,A,B) IIN4 -100 µA DE=GND, VCC=GND or 5.5V, VIN=-7V 4
Driver output short-circuit current (Y,Z) IOD1 -100 25 mA -7V≤VOUT≤VCC 4
Driver output short-circuit current (Y,Z) IOD1 25 100 mA 0V≤VOUT≤12V 4
Driver output short-circuit current (Y,Z) IOD1 -25 25 mA 0V≤VOUT≤VCC 4
Receiver differential input threshold voltage VTH -200 -50 mV -7V≤VCM≤+12V 4
Receiver output low voltage VOL 0.4 V IO=1mA, VID=-1V 4
Receiver output high-Z leakage current IOZR -1 1 µA 0V≤VRO≤VL 4
Receiver output short-circuit current IOSR -95 95 mA 0V≤VRO≤VL 4
Quiescent supply current ICC 0.7 2 mA No load, RE=GND, DI=GND or VCC, DE=VCC 4
Shutdown current ISHDN 2.8 10 µA DE=GND, RE=VCC 4
Leakage current at RO IL 0.1 1 µA RO = no load 4
ESD contact discharge (A,B pins) -12 12 kV IEC 61000-4-2 contact discharge, A and B pins 4
ESD human body model (A,B pins) -15 15 kV Human body model, A and B pins 4
ESD human body model (other pins) -4 4 kV Human body model, other pins 4
Chip shutdown time tSHDN 50 200 700 ns 5
Receiver enable to output high tRZH 20 50 ns Fig 2 and 8, CL=100pF, S2 off 5
Receiver output high to disable tRZL 20 50 ns Fig 2 and 8, CL=100pF, S1 off 5
Receiver output low to disable tRHZ 20 50 ns Fig 2 and 8, CL=100pF, S2 off 5

CAD (KiCad official)

  • Symbol: MAX13433EIDRG
  • Footprint: Package_SO:SOIC-14_3.9x8.7mm_P1.27mm
  • 3D model: SOP-14 (KiCad packages3D, STEP)
  • 3D model files: max13433eidrg-etched.step / max13433eidrg-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); max13433eidrg.step / max13433eidrg.glb are the bare package body.

Provenance

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

  • Datasheet: HANSCHIP semiconductor datasheet (11 pp, sha256 d0ce82eea0cc6195, retrieved 2026-10-27, 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