component
SN74CBT3251PWR
Public Made by Adomby adom
Texas Instruments Signal Switches, Multiplexers, Decoders, TSSOP-16. Datasheet-verified pinout, 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
markdownSN74CBT3251PWR
Texas Instruments · Signal Switches, Multiplexers, Decoders · TSSOP-16
SN74CBT3251PWR from Texas Instruments, in a TSSOP-16. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | B4 | bidirectional | Port B4 bidirectional data/signal connection for multiplexer channels. |
| 2 | B3 | bidirectional | Port B3 bidirectional data/signal connection for multiplexer channels. |
| 3 | B2 | bidirectional | Port B2 bidirectional data/signal connection for multiplexer channels. |
| 4 | B1 | bidirectional | Port B1 bidirectional data/signal connection for multiplexer channels. |
| 5 | A | bidirectional | Common OUT/IN port that connects to one of the B ports selected by S0, S1, S2 binary selection. |
| 6 | NC | unconnected | No internal connection. |
| 7 | OE | input | Output enable control input, active low, to enable multiplexer channels. |
| 8 | GND | power_in | Ground connection. |
| 9 | S2 | input | Channel select binary input pin 2 for selection of B port to connect to A port. |
| 10 | S1 | input | Channel select binary input pin 1 for selection of B port to connect to A port. |
| 11 | S0 | input | Channel select binary input pin 0 for selection of B port to connect to A port. |
| 12 | B8 | bidirectional | Port B8 bidirectional data/signal connection for multiplexer channels. |
| 13 | B7 | bidirectional | Port B7 bidirectional data/signal connection for multiplexer channels. |
| 14 | B6 | bidirectional | Port B6 bidirectional data/signal connection for multiplexer channels. |
| 15 | B5 | bidirectional | Port B5 bidirectional data/signal connection for multiplexer channels. |
| 16 | VCC | power_in | Positive supply voltage connection, 4.0 V to 5.5 V recommended operating range. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | TSSOP-16 |
| Category | Logic |
| Pins | 16 |
CAD (KiCad official)
- Symbol:
SN74CBT3251PWR - Footprint:
Package_SO:TSSOP-16_4.4x5mm_P0.65mm - 3D model: TSSOP-16 (KiCad packages3D, STEP)
- 3D model files:
sn74cbt3251pwr-etched.step/sn74cbt3251pwr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);sn74cbt3251pwr.step/sn74cbt3251pwr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (29 pp, sha256
517489c113579e8c, retrieved 2026-09-23, tier: manufacturer) - 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).