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Contents

README

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SN74CBTD3384CDWR

Texas Instruments · Signal Switches, Multiplexers, Decoders · SOIC-24-300mil

SN74CBTD3384CDWR 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 1OE input Output-enable input for first 5-bit bus switch; active low to enable connection between A and B ports.
2 1B1 bidirectional B-port data I/O for first 5-bit bus switch, channel 1; supports bidirectional data flow when switch is enabled.
3 1A1 bidirectional A-port data I/O for first 5-bit bus switch, channel 1; supports bidirectional data flow when switch is enabled.
4 1A2 bidirectional A-port data I/O for first 5-bit bus switch, channel 2; supports bidirectional data flow when switch is enabled.
5 1B2 bidirectional B-port data I/O for first 5-bit bus switch, channel 2; supports bidirectional data flow when switch is enabled.
6 1B3 bidirectional B-port data I/O for first 5-bit bus switch, channel 3; supports bidirectional data flow when switch is enabled.
7 1A3 bidirectional A-port data I/O for first 5-bit bus switch, channel 3; supports bidirectional data flow when switch is enabled.
8 1A4 bidirectional A-port data I/O for first 5-bit bus switch, channel 4; supports bidirectional data flow when switch is enabled.
9 1B4 bidirectional B-port data I/O for first 5-bit bus switch, channel 4; supports bidirectional data flow when switch is enabled.
10 1B5 bidirectional B-port data I/O for first 5-bit bus switch, channel 5; supports bidirectional data flow when switch is enabled.
11 1A5 bidirectional A-port data I/O for first 5-bit bus switch, channel 5; supports bidirectional data flow when switch is enabled.
12 GND power_in Ground; reference voltage for device.
13 2OE input Output-enable input for second 5-bit bus switch; active low to enable connection between A and B ports.
14 2A1 bidirectional A-port data I/O for second 5-bit bus switch, channel 1; supports bidirectional data flow when switch is enabled.
15 2B1 bidirectional B-port data I/O for second 5-bit bus switch, channel 1; supports bidirectional data flow when switch is enabled.
16 2B2 bidirectional B-port data I/O for second 5-bit bus switch, channel 2; supports bidirectional data flow when switch is enabled.
17 2A2 bidirectional A-port data I/O for second 5-bit bus switch, channel 2; supports bidirectional data flow when switch is enabled.
18 2A3 bidirectional A-port data I/O for second 5-bit bus switch, channel 3; supports bidirectional data flow when switch is enabled.
19 2B3 bidirectional B-port data I/O for second 5-bit bus switch, channel 3; supports bidirectional data flow when switch is enabled.
20 2B4 bidirectional B-port data I/O for second 5-bit bus switch, channel 4; supports bidirectional data flow when switch is enabled.
21 2A4 bidirectional A-port data I/O for second 5-bit bus switch, channel 4; supports bidirectional data flow when switch is enabled.
22 2A5 bidirectional A-port data I/O for second 5-bit bus switch, channel 5; supports bidirectional data flow when switch is enabled.
23 2B5 bidirectional B-port data I/O for second 5-bit bus switch, channel 5; supports bidirectional data flow when switch is enabled.
24 VCC power_in Positive supply voltage; operating range 4.5 V to 5.5 V.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SOIC-24-300mil
Category Logic
Pins 24

CAD (KiCad official)

  • Symbol: SN74CBTD3384CDWR
  • Footprint: Package_SO:SOIC-24W_7.5x15.4mm_P1.27mm
  • 3D model: SOIC-24-300mil (KiCad packages3D, STEP)
  • 3D model files: sn74cbtd3384cdwr-etched.step / sn74cbtd3384cdwr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sn74cbtd3384cdwr.step / sn74cbtd3384cdwr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (24 pp, sha256 fa7b36a76c30e703, retrieved 2026-09-27, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.2, primary claude-haiku-4-5-20251001 (text), consensus claude-sonnet-4-6 (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