Loads on click. Unloads only if this page sits in the background.

Symbol & Footprint

Schematic Symbol

Open full view ↗
Loads on click. Unloads only if this page sits in the background.

PCB Footprint

Open full view ↗
Loads on click. Unloads only if this page sits in the background.
Loads on click. Unloads only if this page sits in the background.
Download PDF
Contents

README

markdown

SN75161BDWR

Texas Instruments · Buffers, Drivers, Receivers, Transceivers · SOIC-20-300mil

SN75161BDWR from Texas Instruments, in a SOIC-20-300mil. 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 TE input Transmit Enable input control signal that selects transmit (high) or receive (low) direction for data-transfer transceiver channels.
2 REN bidirectional Remote Enable GPIB transceiver; bidirectional I/O port connected to IEEE 488 REN line on GPIB side.
3 IFC bidirectional Interface Clear GPIB transceiver; bidirectional I/O port connected to IEEE 488 IFC line on GPIB side.
4 NDAC bidirectional Not Data Accepted GPIB transceiver; bidirectional I/O port connected to IEEE 488 NDAC line on GPIB side.
5 NRFD bidirectional Not Ready for Data GPIB transceiver; bidirectional I/O port connected to IEEE 488 NRFD line on GPIB side.
6 DAV bidirectional Data Valid GPIB transceiver; bidirectional I/O port connected to IEEE 488 DAV line on GPIB side.
7 EOI bidirectional End of Identity GPIB transceiver; bidirectional I/O port connected to IEEE 488 EOI line on GPIB side.
8 ATN bidirectional Attention GPIB transceiver; bidirectional I/O port connected to IEEE 488 ATN line on GPIB side, functions as internal direction control for EOI when DC=TE.
9 SRQ bidirectional Service Request GPIB transceiver; bidirectional I/O port connected to IEEE 488 SRQ line on GPIB side.
10 GND power_in Ground reference; local ground connection for device operation.
11 DC input Direction Control input signal that selects transmit (high) or receive (low) direction for bus-management transceiver channels.
12 SRQ bidirectional Service Request terminal transceiver; bidirectional I/O port connected to terminal device.
13 ATN bidirectional Attention terminal transceiver; bidirectional I/O port connected to terminal device, functions as internal direction control for EOI when DC=TE.
14 EOI bidirectional End of Identity terminal transceiver; bidirectional I/O port connected to terminal device.
15 DAV bidirectional Data Valid terminal transceiver; bidirectional I/O port connected to terminal device.
16 NRFD bidirectional Not Ready for Data terminal transceiver; bidirectional I/O port connected to terminal device.
17 NDAC bidirectional Not Data Accepted terminal transceiver; bidirectional I/O port connected to terminal device.
18 IFC bidirectional Interface Clear terminal transceiver; bidirectional I/O port connected to terminal device.
19 REN bidirectional Remote Enable terminal transceiver; bidirectional I/O port connected to terminal device.
20 VCC power_in Positive power supply; +5V nominal (4.75V to 5.25V recommended operating range).

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SOIC-20-300mil
Category Logic
Pins 20

CAD (KiCad official)

  • Symbol: SN75161BDWR
  • Footprint: Package_SO:SOIC-20W_7.5x12.8mm_P1.27mm
  • 3D model: SOIC-20-300mil (KiCad packages3D, STEP)
  • 3D model files: sn75161bdwr-etched.step / sn75161bdwr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sn75161bdwr.step / sn75161bdwr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (24 pp, sha256 e4f30c23098adc38, retrieved 2026-10-01, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-4-5-20251001 (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