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SN74HC245DTR

Public Made by Adom

by adom

XBLW Buffers, Drivers, Receivers, Transceivers, SOP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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SN74HC245DTR

XBLW · Buffers, Drivers, Receivers, Transceivers · SOP-20

SN74HC245DTR from XBLW, in a SOP-20. 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 DIR input Direction control input that sets the transfer direction between the A and B buses.
2 A0 bidirectional Data input/output A0.
3 A1 bidirectional Data input/output A1.
4 A2 bidirectional Data input/output A2.
5 A3 bidirectional Data input/output A3.
6 A4 bidirectional Data input/output A4.
7 A5 bidirectional Data input/output A5.
8 A6 bidirectional Data input/output A6.
9 A7 bidirectional Data input/output A7.
10 GND power_in Ground (0 V).
11 B7 bidirectional Data input/output B7.
12 B6 bidirectional Data input/output B6.
13 B5 bidirectional Data input/output B5.
14 B4 bidirectional Data input/output B4.
15 B3 bidirectional Data input/output B3.
16 B2 bidirectional Data input/output B2.
17 B1 bidirectional Data input/output B1.
18 B0 bidirectional Data input/output B0.
19 OE input Output enable input, active LOW; a HIGH puts the outputs in the high-impedance OFF-state.
20 VCC power_in Supply voltage.

Key specifications

Parameter Value
Manufacturer XBLW
Package SOP-20
Category Logic
Pins 20

CAD (KiCad official)

  • Symbol: SN74HC245DTR
  • Footprint: Package_SO:SOP-20_7.5x12.8mm_P1.27mm
  • 3D model: SOP-20 (KiCad packages3D, STEP)
  • 3D model files: sn74hc245dtr-etched.step / sn74hc245dtr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sn74hc245dtr.step / sn74hc245dtr.glb are the bare package body.

Provenance

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

  • Datasheet: XBLW datasheet (16 pp, sha256 4cb6b08ab9ecf30c, retrieved 2026-10-09, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (vision), consensus claude-opus-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