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SN74CBTD3384CPWR
Public Made by Adomby adom
Texas Instruments Signal Switches, Multiplexers, Decoders, TSSOP-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
markdownSN74CBTD3384CPWR
Texas Instruments · Signal Switches, Multiplexers, Decoders · TSSOP-24
SN74CBTD3384CPWR from Texas Instruments, in a TSSOP-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 | 1OE | input | Active-low output-enable input for 5-bit bus switch 1; LOW connects 1A and 1B ports for bidirectional data flow, HIGH disconnects to high-impedance state. |
| 2 | 1B1 | bidirectional | B-port data I/O for bus switch 1; bidirectional with 3 Ω on-resistance typical, supports 0 to 5-V signaling with undershoot protection to −2 V. |
| 3 | 1A1 | bidirectional | A-port data I/O for bus switch 1; bidirectional with 3 Ω on-resistance typical, supports 0 to 5-V signaling with undershoot protection to −2 V. |
| 4 | 1A2 | bidirectional | A-port data I/O for bus switch 1; bidirectional with 3 Ω on-resistance typical, supports 0 to 5-V signaling with undershoot protection to −2 V. |
| 5 | 1B2 | bidirectional | B-port data I/O for bus switch 1; bidirectional with 3 Ω on-resistance typical, supports 0 to 5-V signaling with undershoot protection to −2 V. |
| 6 | 1B3 | bidirectional | B-port data I/O for bus switch 1; bidirectional with 3 Ω on-resistance typical, supports 0 to 5-V signaling with undershoot protection to −2 V. |
| 7 | 1A3 | bidirectional | A-port data I/O for bus switch 1; bidirectional with 3 Ω on-resistance typical, supports 0 to 5-V signaling with undershoot protection to −2 V. |
| 8 | 1A4 | bidirectional | A-port data I/O for bus switch 1; bidirectional with 3 Ω on-resistance typical, supports 0 to 5-V signaling with undershoot protection to −2 V. |
| 9 | 1B4 | bidirectional | B-port data I/O for bus switch 1; bidirectional with 3 Ω on-resistance typical, supports 0 to 5-V signaling with undershoot protection to −2 V. |
| 10 | 1B5 | bidirectional | B-port data I/O for bus switch 1; bidirectional with 3 Ω on-resistance typical, supports 0 to 5-V signaling with undershoot protection to −2 V. |
| 11 | 1A5 | bidirectional | A-port data I/O for bus switch 1; bidirectional with 3 Ω on-resistance typical, supports 0 to 5-V signaling with undershoot protection to −2 V. |
| 12 | GND | power_in | Ground; low-potential reference for all signal levels and power return path. |
| 13 | 2OE | input | Active-low output-enable input for 5-bit bus switch 2; LOW connects 2A and 2B ports for bidirectional data flow, HIGH disconnects to high-impedance state. |
| 14 | 2A1 | bidirectional | A-port data I/O for bus switch 2; bidirectional with 3 Ω on-resistance typical, supports 0 to 5-V signaling with undershoot protection to −2 V. |
| 15 | 2B1 | bidirectional | B-port data I/O for bus switch 2; bidirectional with 3 Ω on-resistance typical, supports 0 to 5-V signaling with undershoot protection to −2 V. |
| 16 | 2B2 | bidirectional | B-port data I/O for bus switch 2; bidirectional with 3 Ω on-resistance typical, supports 0 to 5-V signaling with undershoot protection to −2 V. |
| 17 | 2A2 | bidirectional | A-port data I/O for bus switch 2; bidirectional with 3 Ω on-resistance typical, supports 0 to 5-V signaling with undershoot protection to −2 V. |
| 18 | 2A3 | bidirectional | A-port data I/O for bus switch 2; bidirectional with 3 Ω on-resistance typical, supports 0 to 5-V signaling with undershoot protection to −2 V. |
| 19 | 2B3 | bidirectional | B-port data I/O for bus switch 2; bidirectional with 3 Ω on-resistance typical, supports 0 to 5-V signaling with undershoot protection to −2 V. |
| 20 | 2B4 | bidirectional | B-port data I/O for bus switch 2; bidirectional with 3 Ω on-resistance typical, supports 0 to 5-V signaling with undershoot protection to −2 V. |
| 21 | 2A4 | bidirectional | A-port data I/O for bus switch 2; bidirectional with 3 Ω on-resistance typical, supports 0 to 5-V signaling with undershoot protection to −2 V. |
| 22 | 2A5 | bidirectional | A-port data I/O for bus switch 2; bidirectional with 3 Ω on-resistance typical, supports 0 to 5-V signaling with undershoot protection to −2 V. |
| 23 | 2B5 | bidirectional | B-port data I/O for bus switch 2; bidirectional with 3 Ω on-resistance typical, supports 0 to 5-V signaling with undershoot protection to −2 V. |
| 24 | VCC | power_in | Positive supply voltage input; operating range 4.5 V to 5.5 V with integrated diode for level shifting down to 3.3-V output levels. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | TSSOP-24 |
| Category | Logic |
| Pins | 24 |
CAD (KiCad official)
- Symbol:
SN74CBTD3384CPWR - Footprint:
Package_SO:TSSOP-24_4.4x7.8mm_P0.65mm - 3D model: TSSOP-24 (KiCad packages3D, STEP)
- 3D model files:
sn74cbtd3384cpwr-etched.step/sn74cbtd3384cpwr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);sn74cbtd3384cpwr.step/sn74cbtd3384cpwr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (24 pp, sha256
fa7b36a76c30e703, retrieved 2026-09-26, tier: manufacturer) - Extractor: parts-factory
2.0.0/extract_pins 0.2, primaryclaude-haiku-4-5-20251001(text), consensusclaude-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).