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SN74CBTD16211DGGR

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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.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 (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