component
SN74LVC8T245DWR
Public Made by Adomby adom
Texas Instruments Translators, Level Shifters, SOIC-24-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownSN74LVC8T245DWR
Texas Instruments · Translators, Level Shifters · SOIC-24-300mil
SN74LVC8T245DWR from Texas Instruments, in a SOIC-24-300mil. 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 | VCCA | power_in | A 端口电源电压。1.65V ≤ VCCA ≤ 5.5V |
| 2 | DIR | input | 方向控制信号。 |
| 3 | A1 | bidirectional | 输入/输出 A1。以 VCCA 为基准。 |
| 4 | A2 | bidirectional | 输入/输出 A2。以 VCCA 为基准。 |
| 5 | A3 | bidirectional | 输入/输出 A3。以 VCCA 为基准。 |
| 6 | A4 | bidirectional | 输入/输出 A4。以 VCCA 为基准。 |
| 7 | A5 | bidirectional | 输入/输出 A5。以 VCCA 为基准。 |
| 8 | A6 | bidirectional | 输入/输出 A6。以 VCCA 为基准。 |
| 9 | A7 | bidirectional | 输入/输出 A7。以 VCCA 为基准。 |
| 10 | A8 | bidirectional | 输入/输出 A8。以 VCCA 为基准。 |
| 11 | GND | power_in | 接地 |
| 12 | GND | power_in | 接地 |
| 13 | GND | power_in | 接地 |
| 14 | B8 | bidirectional | 输入/输出 B8。以 VCCB 为基准。 |
| 15 | B7 | bidirectional | 输入/输出 B7。以 VCCB 为基准。 |
| 16 | B6 | bidirectional | 输入/输出 B6。以 VCCB 为基准。 |
| 17 | B5 | bidirectional | 输入/输出 B5。以 VCCB 为基准。 |
| 18 | B4 | bidirectional | 输入/输出 B4。以 VCCB 为基准。 |
| 19 | B3 | bidirectional | 输入/输出 B3。以 VCCB 为基准。 |
| 20 | B2 | bidirectional | 输入/输出 B2。以 VCCB 为基准。 |
| 21 | B1 | bidirectional | 输入/输出 B1。以 VCCB 为基准。 |
| 22 | OE | input | 三态输出模式使能。将 OE 拉至高电平，使所有输出处于三态模式。以 VCCA 为基准。 |
| 23 | VCCB | power_in | B 端口电源。1.65V ≤ VCCB ≤ 5.5V |
| 24 | VCCB | power_in | B 端口电源。1.65V ≤ VCCB ≤ 5.5V |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | SOIC-24-300mil |
| Category | Logic |
| Pins | 24 |
CAD (KiCad official)
- Symbol:
SN74LVC8T245DWR - Footprint:
Package_SO:SOIC-24W_7.5x15.4mm_P1.27mm - 3D model: SOIC-24-300mil (KiCad packages3D, STEP)
- 3D model files:
sn74lvc8t245dwr-etched.step/sn74lvc8t245dwr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);sn74lvc8t245dwr.step/sn74lvc8t245dwr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (39 pp, sha256
b295dd770303d32c, retrieved 2026-09-24, 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 0.2, primaryclaude-haiku-4-5-20251001(text), consensusclaude-sonnet-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).