component

SN74CB3Q3305PWR

Public Made by Adom

by adom

Texas Instruments Signal Switches, Multiplexers, Decoders, TSSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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SN74CB3Q3305PWR

Texas Instruments · Signal Switches, Multiplexers, Decoders · TSSOP-8

SN74CB3Q3305PWR from Texas Instruments, in a TSSOP-8. 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 1OE input Active-high output enable for switch 1; when high connects 1A to 1B with 3Ω typical ON-state resistance; requires 0.7V to 2V input level (VCC-dependent).
2 1A bidirectional Bidirectional data I/O port for channel 1 supporting 0-5V signals with 3Ω typical ON-state resistance when enabled; includes undershoot clamp diode.
3 1B bidirectional Bidirectional data I/O port for channel 1 supporting 0-5V signals with 3Ω typical ON-state resistance when enabled; includes undershoot clamp diode.
4 GND power_in Ground return connection supporting ±100mA continuous current for device and signal paths.
5 2A bidirectional Bidirectional data I/O port for channel 2 supporting 0-5V signals with 3Ω typical ON-state resistance when enabled; includes undershoot clamp diode.
6 2B bidirectional Bidirectional data I/O port for channel 2 supporting 0-5V signals with 3Ω typical ON-state resistance when enabled; includes undershoot clamp diode.
7 2OE input Active-high output enable for switch 2; when high connects 2A to 2B with 3Ω typical ON-state resistance; requires 0.7V to 2V input level (VCC-dependent).
8 VCC power_in Positive supply voltage input in range 2.3V to 3.6V supporting ±100mA continuous current; powers internal charge pump and digital logic.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package TSSOP-8
Category Logic
Pins 8

CAD (KiCad official)

  • Symbol: SN74CB3Q3305PWR
  • Footprint: Package_SO:TSSOP-8_3x3mm_P0.65mm
  • 3D model: TSSOP-8 (KiCad packages3D, STEP)
  • 3D model files: sn74cb3q3305pwr-etched.step / sn74cb3q3305pwr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sn74cb3q3305pwr.step / sn74cb3q3305pwr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (23 pp, sha256 b4a77a5460a18d7c, retrieved 2026-10-05, tier: manufacturer)
  • 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