component
SN74LVC8T245DBQR
Public Made by Adomby adom
Texas Instruments Translators, Level Shifters, SSOP-24. 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
markdownSN74LVC8T245DBQR
Texas Instruments · Translators, Level Shifters · SSOP-24
SN74LVC8T245DBQR from Texas Instruments, in a SSOP-24. 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 | Power supply for port A with operating voltage range 1.65V to 5.5V |
| 2 | DIR | input | Direction control input; high enables A-to-B data transfer, low enables B-to-A data transfer |
| 3 | A1 | bidirectional | Bidirectional data I/O port A1 referenced to VCCA voltage |
| 4 | A2 | bidirectional | Bidirectional data I/O port A2 referenced to VCCA voltage |
| 5 | A3 | bidirectional | Bidirectional data I/O port A3 referenced to VCCA voltage |
| 6 | A4 | bidirectional | Bidirectional data I/O port A4 referenced to VCCA voltage |
| 7 | A5 | bidirectional | Bidirectional data I/O port A5 referenced to VCCA voltage |
| 8 | A6 | bidirectional | Bidirectional data I/O port A6 referenced to VCCA voltage |
| 9 | A7 | bidirectional | Bidirectional data I/O port A7 referenced to VCCA voltage |
| 10 | A8 | bidirectional | Bidirectional data I/O port A8 referenced to VCCA voltage |
| 11 | GND | power_in | Ground connection |
| 12 | GND | power_in | Ground connection |
| 13 | GND | power_in | Ground connection |
| 14 | B8 | bidirectional | Bidirectional data I/O port B8 referenced to VCCB voltage |
| 15 | B7 | bidirectional | Bidirectional data I/O port B7 referenced to VCCB voltage |
| 16 | B6 | bidirectional | Bidirectional data I/O port B6 referenced to VCCB voltage |
| 17 | B5 | bidirectional | Bidirectional data I/O port B5 referenced to VCCB voltage |
| 18 | B4 | bidirectional | Bidirectional data I/O port B4 referenced to VCCB voltage |
| 19 | B3 | bidirectional | Bidirectional data I/O port B3 referenced to VCCB voltage |
| 20 | B2 | bidirectional | Bidirectional data I/O port B2 referenced to VCCB voltage |
| 21 | B1 | bidirectional | Bidirectional data I/O port B1 referenced to VCCB voltage |
| 22 | OE | input | Output enable input (active low); outputs in high-impedance state when high, referenced to VCCA voltage |
| 23 | VCCB | power_in | Power supply for port B with operating voltage range 1.65V to 5.5V |
| 24 | VCCB | power_in | Power supply for port B with operating voltage range 1.65V to 5.5V |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | SSOP-24 |
| Category | Logic |
| Pins | 24 |
CAD (KiCad official)
- Symbol:
SN74LVC8T245DBQR - Footprint:
Package_SO:SSOP-24_5.3x8.2mm_P0.65mm - 3D model: SSOP-24 (KiCad packages3D, STEP)
- 3D model files:
sn74lvc8t245dbqr-etched.step/sn74lvc8t245dbqr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);sn74lvc8t245dbqr.step/sn74lvc8t245dbqr.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 2026-10-07, 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 0.3, primaryclaude-haiku-4-5-20251001(text), consensusclaude-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).