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74AC11138PWR

Public Made by Adom

by adom

Texas Instruments Signal Switches, Multiplexers, Decoders, TSSOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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74AC11138PWR

Texas Instruments · Signal Switches, Multiplexers, Decoders · TSSOP-16

74AC11138PWR from Texas Instruments, in a TSSOP-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 Y1 output Active-low decoder data output Y1, driven low when its address is selected and the enables are active (Section 6.3 function table).
2 Y2 output Active-low decoder data output Y2, driven low when its address is selected and the enables are active (Section 6.3 function table).
3 Y3 output Active-low decoder data output Y3, driven low when its address is selected and the enables are active (Section 6.3 function table).
4 GND power_in Ground reference for the device.
5 Y4 output Active-low decoder data output Y4, driven low when its address is selected and the enables are active (Section 6.3 function table).
6 Y5 output Active-low decoder data output Y5, driven low when its address is selected and the enables are active (Section 6.3 function table).
7 Y6 output Active-low decoder data output Y6, driven low when its address is selected and the enables are active (Section 6.3 function table).
8 Y7 output Active-low decoder data output Y7, driven low when its address is selected and the enables are active (Section 6.3 function table).
9 G2B input Active-low enable input; must be low (together with G2A low and G1 high) for the decoder outputs to be active.
10 G2A input Active-low enable input; must be low (together with G2B low and G1 high) for the decoder outputs to be active.
11 G1 input Active-high enable input; must be high (together with G2A and G2B low) for the decoder outputs to be active.
12 VCC power_in Supply pin; recommended supply range is 3 V to 5.5 V, bypassed with a 0.1-µF capacitor placed as close as possible to the terminal for a single-supply device.
13 C input Binary select input C; together with A and B it selects which one of the eight outputs is addressed.
14 B input Binary select input B; together with A and C it selects which one of the eight outputs is addressed.
15 A input Binary select input A (least significant select bit); together with B and C it selects which one of the eight outputs is addressed.
16 Y0 output Active-low decoder data output Y0, driven low when its address is selected and the enables are active (Section 6.3 function table).

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package TSSOP-16
Category Logic
Pins 16

CAD (KiCad official)

  • Symbol: 74AC11138PWR
  • Footprint: Package_SO:TSSOP-16_4.4x5mm_P0.65mm
  • 3D model: TSSOP-16 (KiCad packages3D, STEP)
  • 3D model files: 74ac11138pwr-etched.step / 74ac11138pwr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 74ac11138pwr.step / 74ac11138pwr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (27 pp, sha256 1cc12b26f1f9c243, retrieved 2026-10-08, tier: manufacturer)
  • 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