component
SN74CBTD16211DGGR
Public Made by Adomby adom
Texas Instruments Signal Switches, Multiplexers, Decoders, SSOP-56-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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SN74CBTD16211DGGR
Texas Instruments · Signal Switches, Multiplexers, Decoders · SSOP-56-300mil
SN74CBTD16211DGGR from Texas Instruments, in a SSOP-56-300mil. 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 | NC | unconnected | No internal connection |
| 2 | 1A1 | bidirectional | First 12-bit bus switch port A bit 1: bidirectional I/O with TTL-compatible input levels and internal diode for level shifting |
| 3 | 1A2 | bidirectional | First 12-bit bus switch port A bit 2: bidirectional I/O with TTL-compatible input levels and internal diode for level shifting |
| 4 | 1A3 | bidirectional | First 12-bit bus switch port A bit 3: bidirectional I/O with TTL-compatible input levels and internal diode for level shifting |
| 5 | 1A4 | bidirectional | First 12-bit bus switch port A bit 4: bidirectional I/O with TTL-compatible input levels and internal diode for level shifting |
| 6 | 1A5 | bidirectional | First 12-bit bus switch port A bit 5: bidirectional I/O with TTL-compatible input levels and internal diode for level shifting |
| 7 | 1A6 | bidirectional | First 12-bit bus switch port A bit 6: bidirectional I/O with TTL-compatible input levels and internal diode for level shifting |
| 8 | GND | power_in | Ground reference |
| 9 | 1A7 | bidirectional | First 12-bit bus switch port A bit 7: bidirectional I/O with TTL-compatible input levels and internal diode for level shifting |
| 10 | 1A8 | bidirectional | First 12-bit bus switch port A bit 8: bidirectional I/O with TTL-compatible input levels and internal diode for level shifting |
| 11 | 1A9 | bidirectional | First 12-bit bus switch port A bit 9: bidirectional I/O with TTL-compatible input levels and internal diode for level shifting |
| 12 | 1A10 | bidirectional | First 12-bit bus switch port A bit 10: bidirectional I/O with TTL-compatible input levels and internal diode for level shifting |
| 13 | 1A11 | bidirectional | First 12-bit bus switch port A bit 11: bidirectional I/O with TTL-compatible input levels and internal diode for level shifting |
| 14 | 1A12 | bidirectional | First 12-bit bus switch port A bit 12: bidirectional I/O with TTL-compatible input levels and internal diode for level shifting |
| 15 | 2A1 | bidirectional | Second 12-bit bus switch port A bit 1: bidirectional I/O with TTL-compatible input levels and internal diode for level shifting |
| 16 | 2A2 | bidirectional | Second 12-bit bus switch port A bit 2: bidirectional I/O with TTL-compatible input levels and internal diode for level shifting |
| 17 | VCC | power_in | Supply voltage with recommended operating range 4.5V to 5.5V and absolute maximum 7V |
| 18 | 2A3 | bidirectional | Second 12-bit bus switch port A bit 3: bidirectional I/O with TTL-compatible input levels and internal diode for level shifting |
| 19 | GND | power_in | Ground reference |
| 20 | 2A4 | bidirectional | Second 12-bit bus switch port A bit 4: bidirectional I/O with TTL-compatible input levels and internal diode for level shifting |
| 21 | 2A5 | bidirectional | Second 12-bit bus switch port A bit 5: bidirectional I/O with TTL-compatible input levels and internal diode for level shifting |
| 22 | 2A6 | bidirectional | Second 12-bit bus switch port A bit 6: bidirectional I/O with TTL-compatible input levels and internal diode for level shifting |
| 23 | 2A7 | bidirectional | Second 12-bit bus switch port A bit 7: bidirectional I/O with TTL-compatible input levels and internal diode for level shifting |
| 24 | 2A8 | bidirectional | Second 12-bit bus switch port A bit 8: bidirectional I/O with TTL-compatible input levels and internal diode for level shifting |
| 25 | 2A9 | bidirectional | Second 12-bit bus switch port A bit 9: bidirectional I/O with TTL-compatible input levels and internal diode for level shifting |
| 26 | 2A10 | bidirectional | Second 12-bit bus switch port A bit 10: bidirectional I/O with TTL-compatible input levels and internal diode for level shifting |
| 27 | 2A11 | bidirectional | Second 12-bit bus switch port A bit 11: bidirectional I/O with TTL-compatible input levels and internal diode for level shifting |
| 28 | 2A12 | bidirectional | Second 12-bit bus switch port A bit 12: bidirectional I/O with TTL-compatible input levels and internal diode for level shifting |
| 29 | 2B12 | bidirectional | Second 12-bit bus switch port B bit 12: bidirectional I/O with 3.3V signal levels from internal level shifting |
| 30 | 2B11 | bidirectional | Second 12-bit bus switch port B bit 11: bidirectional I/O with 3.3V signal levels from internal level shifting |
| 31 | 2B10 | bidirectional | Second 12-bit bus switch port B bit 10: bidirectional I/O with 3.3V signal levels from internal level shifting |
| 32 | 2B9 | bidirectional | Second 12-bit bus switch port B bit 9: bidirectional I/O with 3.3V signal levels from internal level shifting |
| 33 | 2B8 | bidirectional | Second 12-bit bus switch port B bit 8: bidirectional I/O with 3.3V signal levels from internal level shifting |
| 34 | 2B7 | bidirectional | Second 12-bit bus switch port B bit 7: bidirectional I/O with 3.3V signal levels from internal level shifting |
| 35 | 2B6 | bidirectional | Second 12-bit bus switch port B bit 6: bidirectional I/O with 3.3V signal levels from internal level shifting |
| 36 | 2B5 | bidirectional | Second 12-bit bus switch port B bit 5: bidirectional I/O with 3.3V signal levels from internal level shifting |
| 37 | 2B4 | bidirectional | Second 12-bit bus switch port B bit 4: bidirectional I/O with 3.3V signal levels from internal level shifting |
| 38 | GND | power_in | Ground reference |
| 39 | 2B3 | bidirectional | Second 12-bit bus switch port B bit 3: bidirectional I/O with 3.3V signal levels from internal level shifting |
| 40 | 2B2 | bidirectional | Second 12-bit bus switch port B bit 2: bidirectional I/O with 3.3V signal levels from internal level shifting |
| 41 | 2B1 | bidirectional | Second 12-bit bus switch port B bit 1: bidirectional I/O with 3.3V signal levels from internal level shifting |
| 42 | 1B12 | bidirectional | First 12-bit bus switch port B bit 12: bidirectional I/O with 3.3V signal levels from internal level shifting |
| 43 | 1B11 | bidirectional | First 12-bit bus switch port B bit 11: bidirectional I/O with 3.3V signal levels from internal level shifting |
| 44 | 1B10 | bidirectional | First 12-bit bus switch port B bit 10: bidirectional I/O with 3.3V signal levels from internal level shifting |
| 45 | 1B9 | bidirectional | First 12-bit bus switch port B bit 9: bidirectional I/O with 3.3V signal levels from internal level shifting |
| 46 | 1B8 | bidirectional | First 12-bit bus switch port B bit 8: bidirectional I/O with 3.3V signal levels from internal level shifting |
| 47 | 1B7 | bidirectional | First 12-bit bus switch port B bit 7: bidirectional I/O with 3.3V signal levels from internal level shifting |
| 48 | 1B6 | bidirectional | First 12-bit bus switch port B bit 6: bidirectional I/O with 3.3V signal levels from internal level shifting |
| 49 | GND | power_in | Ground reference |
| 50 | 1B5 | bidirectional | First 12-bit bus switch port B bit 5: bidirectional I/O with 3.3V signal levels from internal level shifting |
| 51 | 1B4 | bidirectional | First 12-bit bus switch port B bit 4: bidirectional I/O with 3.3V signal levels from internal level shifting |
| 52 | 1B3 | bidirectional | First 12-bit bus switch port B bit 3: bidirectional I/O with 3.3V signal levels from internal level shifting |
| 53 | 1B2 | bidirectional | First 12-bit bus switch port B bit 2: bidirectional I/O with 3.3V signal levels from internal level shifting |
| 54 | 1B1 | bidirectional | First 12-bit bus switch port B bit 1: bidirectional I/O with 3.3V signal levels from internal level shifting |
| 55 | 2OE | input | Second 12-bit switch output enable: active low control input, low enables port A to port B connection, high creates high-impedance disconnect |
| 56 | 1OE | input | First 12-bit switch output enable: active low control input, low enables port A to port B connection, high creates high-impedance disconnect |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | SSOP-56-300mil |
| Category | Logic |
| Pins | 56 |
CAD (KiCad official)
- Symbol:
SN74CBTD16211DGGR - Footprint:
Package_SO:SSOP-56_7.5x18.5mm_P0.635mm - 3D model: SSOP-56-300mil (KiCad packages3D, STEP)
- 3D model files:
sn74cbtd16211dggr-etched.step/sn74cbtd16211dggr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);sn74cbtd16211dggr.step/sn74cbtd16211dggr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (25 pp, sha256
1b953bd968c36657, retrieved 2026-10-07, tier: lcsc) - 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).
# SN74CBTD16211DGGR
**Texas Instruments** · Signal Switches, Multiplexers, Decoders · SSOP-56-300mil
SN74CBTD16211DGGR from Texas Instruments, in a SSOP-56-300mil. 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 | NC | unconnected | No internal connection |
| 2 | 1A1 | bidirectional | First 12-bit bus switch port A bit 1: bidirectional I/O with TTL-compatible input levels and internal diode for level shifting |
| 3 | 1A2 | bidirectional | First 12-bit bus switch port A bit 2: bidirectional I/O with TTL-compatible input levels and internal diode for level shifting |
| 4 | 1A3 | bidirectional | First 12-bit bus switch port A bit 3: bidirectional I/O with TTL-compatible input levels and internal diode for level shifting |
| 5 | 1A4 | bidirectional | First 12-bit bus switch port A bit 4: bidirectional I/O with TTL-compatible input levels and internal diode for level shifting |
| 6 | 1A5 | bidirectional | First 12-bit bus switch port A bit 5: bidirectional I/O with TTL-compatible input levels and internal diode for level shifting |
| 7 | 1A6 | bidirectional | First 12-bit bus switch port A bit 6: bidirectional I/O with TTL-compatible input levels and internal diode for level shifting |
| 8 | GND | power_in | Ground reference |
| 9 | 1A7 | bidirectional | First 12-bit bus switch port A bit 7: bidirectional I/O with TTL-compatible input levels and internal diode for level shifting |
| 10 | 1A8 | bidirectional | First 12-bit bus switch port A bit 8: bidirectional I/O with TTL-compatible input levels and internal diode for level shifting |
| 11 | 1A9 | bidirectional | First 12-bit bus switch port A bit 9: bidirectional I/O with TTL-compatible input levels and internal diode for level shifting |
| 12 | 1A10 | bidirectional | First 12-bit bus switch port A bit 10: bidirectional I/O with TTL-compatible input levels and internal diode for level shifting |
| 13 | 1A11 | bidirectional | First 12-bit bus switch port A bit 11: bidirectional I/O with TTL-compatible input levels and internal diode for level shifting |
| 14 | 1A12 | bidirectional | First 12-bit bus switch port A bit 12: bidirectional I/O with TTL-compatible input levels and internal diode for level shifting |
| 15 | 2A1 | bidirectional | Second 12-bit bus switch port A bit 1: bidirectional I/O with TTL-compatible input levels and internal diode for level shifting |
| 16 | 2A2 | bidirectional | Second 12-bit bus switch port A bit 2: bidirectional I/O with TTL-compatible input levels and internal diode for level shifting |
| 17 | VCC | power_in | Supply voltage with recommended operating range 4.5V to 5.5V and absolute maximum 7V |
| 18 | 2A3 | bidirectional | Second 12-bit bus switch port A bit 3: bidirectional I/O with TTL-compatible input levels and internal diode for level shifting |
| 19 | GND | power_in | Ground reference |
| 20 | 2A4 | bidirectional | Second 12-bit bus switch port A bit 4: bidirectional I/O with TTL-compatible input levels and internal diode for level shifting |
| 21 | 2A5 | bidirectional | Second 12-bit bus switch port A bit 5: bidirectional I/O with TTL-compatible input levels and internal diode for level shifting |
| 22 | 2A6 | bidirectional | Second 12-bit bus switch port A bit 6: bidirectional I/O with TTL-compatible input levels and internal diode for level shifting |
| 23 | 2A7 | bidirectional | Second 12-bit bus switch port A bit 7: bidirectional I/O with TTL-compatible input levels and internal diode for level shifting |
| 24 | 2A8 | bidirectional | Second 12-bit bus switch port A bit 8: bidirectional I/O with TTL-compatible input levels and internal diode for level shifting |
| 25 | 2A9 | bidirectional | Second 12-bit bus switch port A bit 9: bidirectional I/O with TTL-compatible input levels and internal diode for level shifting |
| 26 | 2A10 | bidirectional | Second 12-bit bus switch port A bit 10: bidirectional I/O with TTL-compatible input levels and internal diode for level shifting |
| 27 | 2A11 | bidirectional | Second 12-bit bus switch port A bit 11: bidirectional I/O with TTL-compatible input levels and internal diode for level shifting |
| 28 | 2A12 | bidirectional | Second 12-bit bus switch port A bit 12: bidirectional I/O with TTL-compatible input levels and internal diode for level shifting |
| 29 | 2B12 | bidirectional | Second 12-bit bus switch port B bit 12: bidirectional I/O with 3.3V signal levels from internal level shifting |
| 30 | 2B11 | bidirectional | Second 12-bit bus switch port B bit 11: bidirectional I/O with 3.3V signal levels from internal level shifting |
| 31 | 2B10 | bidirectional | Second 12-bit bus switch port B bit 10: bidirectional I/O with 3.3V signal levels from internal level shifting |
| 32 | 2B9 | bidirectional | Second 12-bit bus switch port B bit 9: bidirectional I/O with 3.3V signal levels from internal level shifting |
| 33 | 2B8 | bidirectional | Second 12-bit bus switch port B bit 8: bidirectional I/O with 3.3V signal levels from internal level shifting |
| 34 | 2B7 | bidirectional | Second 12-bit bus switch port B bit 7: bidirectional I/O with 3.3V signal levels from internal level shifting |
| 35 | 2B6 | bidirectional | Second 12-bit bus switch port B bit 6: bidirectional I/O with 3.3V signal levels from internal level shifting |
| 36 | 2B5 | bidirectional | Second 12-bit bus switch port B bit 5: bidirectional I/O with 3.3V signal levels from internal level shifting |
| 37 | 2B4 | bidirectional | Second 12-bit bus switch port B bit 4: bidirectional I/O with 3.3V signal levels from internal level shifting |
| 38 | GND | power_in | Ground reference |
| 39 | 2B3 | bidirectional | Second 12-bit bus switch port B bit 3: bidirectional I/O with 3.3V signal levels from internal level shifting |
| 40 | 2B2 | bidirectional | Second 12-bit bus switch port B bit 2: bidirectional I/O with 3.3V signal levels from internal level shifting |
| 41 | 2B1 | bidirectional | Second 12-bit bus switch port B bit 1: bidirectional I/O with 3.3V signal levels from internal level shifting |
| 42 | 1B12 | bidirectional | First 12-bit bus switch port B bit 12: bidirectional I/O with 3.3V signal levels from internal level shifting |
| 43 | 1B11 | bidirectional | First 12-bit bus switch port B bit 11: bidirectional I/O with 3.3V signal levels from internal level shifting |
| 44 | 1B10 | bidirectional | First 12-bit bus switch port B bit 10: bidirectional I/O with 3.3V signal levels from internal level shifting |
| 45 | 1B9 | bidirectional | First 12-bit bus switch port B bit 9: bidirectional I/O with 3.3V signal levels from internal level shifting |
| 46 | 1B8 | bidirectional | First 12-bit bus switch port B bit 8: bidirectional I/O with 3.3V signal levels from internal level shifting |
| 47 | 1B7 | bidirectional | First 12-bit bus switch port B bit 7: bidirectional I/O with 3.3V signal levels from internal level shifting |
| 48 | 1B6 | bidirectional | First 12-bit bus switch port B bit 6: bidirectional I/O with 3.3V signal levels from internal level shifting |
| 49 | GND | power_in | Ground reference |
| 50 | 1B5 | bidirectional | First 12-bit bus switch port B bit 5: bidirectional I/O with 3.3V signal levels from internal level shifting |
| 51 | 1B4 | bidirectional | First 12-bit bus switch port B bit 4: bidirectional I/O with 3.3V signal levels from internal level shifting |
| 52 | 1B3 | bidirectional | First 12-bit bus switch port B bit 3: bidirectional I/O with 3.3V signal levels from internal level shifting |
| 53 | 1B2 | bidirectional | First 12-bit bus switch port B bit 2: bidirectional I/O with 3.3V signal levels from internal level shifting |
| 54 | 1B1 | bidirectional | First 12-bit bus switch port B bit 1: bidirectional I/O with 3.3V signal levels from internal level shifting |
| 55 | 2OE | input | Second 12-bit switch output enable: active low control input, low enables port A to port B connection, high creates high-impedance disconnect |
| 56 | 1OE | input | First 12-bit switch output enable: active low control input, low enables port A to port B connection, high creates high-impedance disconnect |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | SSOP-56-300mil |
| Category | Logic |
| Pins | 56 |
## CAD (KiCad official)
- Symbol: `SN74CBTD16211DGGR`
- Footprint: `Package_SO:SSOP-56_7.5x18.5mm_P0.635mm`
- 3D model: SSOP-56-300mil (KiCad packages3D, STEP)
- 3D model files: `sn74cbtd16211dggr-etched.step` / `sn74cbtd16211dggr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `sn74cbtd16211dggr.step` / `sn74cbtd16211dggr.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/cn/lit/gpn/sn74cbtd16211) (25 pp, sha256 `1b953bd968c36657`, retrieved 2026-10-07, tier: lcsc)
- **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](docs/sn74cbtd16211dggr-datasheet.pdf)