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SN74ALVCH373DWR

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by adom

Texas Instruments Latches, SOIC-20-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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SN74ALVCH373DWR

Texas Instruments · Latches · SOIC-20-300mil

SN74ALVCH373DWR 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 OE input Output Enable input (active low); when high, forces all outputs to high-impedance state.
2 1Q tri_state Latch 1 Q output (three-state).
3 1D input Latch 1 data input with bus-hold.
4 2D input Latch 2 data input with bus-hold.
5 2Q tri_state Latch 2 Q output (three-state).
6 3Q tri_state Latch 3 Q output (three-state).
7 3D input Latch 3 data input with bus-hold.
8 4D input Latch 4 data input with bus-hold.
9 4Q tri_state Latch 4 Q output (three-state).
10 GND power_in Ground power return.
11 LE input Latch Enable input (active high); transparent when high, latches when low.
12 5Q tri_state Latch 5 Q output (three-state).
13 5D input Latch 5 data input with bus-hold.
14 6D input Latch 6 data input with bus-hold.
15 6Q tri_state Latch 6 Q output (three-state).
16 7Q tri_state Latch 7 Q output (three-state).
17 7D input Latch 7 data input with bus-hold.
18 8D input Latch 8 data input with bus-hold.
19 8Q tri_state Latch 8 Q output (three-state).
20 VCC power_in Supply voltage (1.65 V to 3.6 V).

Key specifications

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

CAD (KiCad official)

  • Symbol: SN74ALVCH373DWR
  • Footprint: Package_SO:SOIC-20W_7.5x12.8mm_P1.27mm
  • 3D model: SOIC-20-300mil (KiCad packages3D, STEP)
  • 3D model files: sn74alvch373dwr-etched.step / sn74alvch373dwr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sn74alvch373dwr.step / sn74alvch373dwr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (19 pp, sha256 2c1acfeac33a71b1, retrieved 2026-10-07, 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