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SN74CBT16214CDLR

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Texas Instruments Signal Switches / Encoders & Decoders / Multiplexers, SSOP-56-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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Contents

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SN74CBT16214CDLR

Texas Instruments · Signal Switches / Encoders & Decoders / Multiplexers · SSOP-56-300mil

SN74CBT16214CDLR 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 S0 input Select input that sets the 1-of-3 switch path; TTL-compatible with VIH minimum 2 V, VIL maximum 0.8 V, and a 5.5 V maximum, and should be tied to GND through a pulldown resistor to keep the switch in high-impedance during power up or power down.
2 1A bidirectional Switch port A of multiplexer channel 1, connected to the selected B port when enabled, high-impedance when disconnected, with undershoot protection to −2 V.
3 1B3 bidirectional Switch port B3 of channel 1, connected to A when selected by S0-S2 and high-impedance when disconnected, with undershoot protection to −2 V.
4 2A bidirectional Switch port A of multiplexer channel 2, connected to the selected B port when enabled, high-impedance when disconnected, with undershoot protection to −2 V.
5 2B3 bidirectional Switch port B3 of channel 2, connected to A when selected by S0-S2 and high-impedance when disconnected, with undershoot protection to −2 V.
6 3A bidirectional Switch port A of multiplexer channel 3, connected to the selected B port when enabled, high-impedance when disconnected, with undershoot protection to −2 V.
7 3B3 bidirectional Switch port B3 of channel 3, connected to A when selected by S0-S2 and high-impedance when disconnected, with undershoot protection to −2 V.
8 GND power_in Device ground reference; all voltages are referenced to ground.
9 4A bidirectional Switch port A of multiplexer channel 4, connected to the selected B port when enabled, high-impedance when disconnected, with undershoot protection to −2 V.
10 4B3 bidirectional Switch port B3 of channel 4, connected to A when selected by S0-S2 and high-impedance when disconnected, with undershoot protection to −2 V.
11 5A bidirectional Switch port A of multiplexer channel 5, connected to the selected B port when enabled, high-impedance when disconnected, with undershoot protection to −2 V.
12 5B3 bidirectional Switch port B3 of channel 5, connected to A when selected by S0-S2 and high-impedance when disconnected, with undershoot protection to −2 V.
13 6A bidirectional Switch port A of multiplexer channel 6, connected to the selected B port when enabled, high-impedance when disconnected, with undershoot protection to −2 V.
14 6B3 bidirectional Switch port B3 of channel 6, connected to A when selected by S0-S2 and high-impedance when disconnected, with undershoot protection to −2 V.
15 7A bidirectional Switch port A of multiplexer channel 7, connected to the selected B port when enabled, high-impedance when disconnected, with undershoot protection to −2 V.
16 7B3 bidirectional Switch port B3 of channel 7, connected to A when selected by S0-S2 and high-impedance when disconnected, with undershoot protection to −2 V.
17 VCC power_in Supply voltage; recommended operating range is 4 V to 5.5 V.
18 8A bidirectional Switch port A of multiplexer channel 8, connected to the selected B port when enabled, high-impedance when disconnected, with undershoot protection to −2 V.
19 GND power_in Device ground reference; all voltages are referenced to ground.
20 8B3 bidirectional Switch port B3 of channel 8, connected to A when selected by S0-S2 and high-impedance when disconnected, with undershoot protection to −2 V.
21 9A bidirectional Switch port A of multiplexer channel 9, connected to the selected B port when enabled, high-impedance when disconnected, with undershoot protection to −2 V.
22 9B3 bidirectional Switch port B3 of channel 9, connected to A when selected by S0-S2 and high-impedance when disconnected, with undershoot protection to −2 V.
23 10A bidirectional Switch port A of multiplexer channel 10, connected to the selected B port when enabled, high-impedance when disconnected, with undershoot protection to −2 V.
24 10B3 bidirectional Switch port B3 of channel 10, connected to A when selected by S0-S2 and high-impedance when disconnected, with undershoot protection to −2 V.
25 11A bidirectional Switch port A of multiplexer channel 11, connected to the selected B port when enabled, high-impedance when disconnected, with undershoot protection to −2 V.
26 11B3 bidirectional Switch port B3 of channel 11, connected to A when selected by S0-S2 and high-impedance when disconnected, with undershoot protection to −2 V.
27 12A bidirectional Switch port A of multiplexer channel 12, connected to the selected B port when enabled, high-impedance when disconnected, with undershoot protection to −2 V.
28 12B3 bidirectional Switch port B3 of channel 12, connected to A when selected by S0-S2 and high-impedance when disconnected, with undershoot protection to −2 V.
29 12B2 bidirectional Switch port B2 of channel 12, connected to A when selected by S0-S2 and high-impedance when disconnected, with undershoot protection to −2 V.
30 12B1 bidirectional Switch port B1 of channel 12, connected to A when selected by S0-S2 and high-impedance when disconnected, with undershoot protection to −2 V.
31 11B2 bidirectional Switch port B2 of channel 11, connected to A when selected by S0-S2 and high-impedance when disconnected, with undershoot protection to −2 V.
32 11B1 bidirectional Switch port B1 of channel 11, connected to A when selected by S0-S2 and high-impedance when disconnected, with undershoot protection to −2 V.
33 10B2 bidirectional Switch port B2 of channel 10, connected to A when selected by S0-S2 and high-impedance when disconnected, with undershoot protection to −2 V.
34 10B1 bidirectional Switch port B1 of channel 10, connected to A when selected by S0-S2 and high-impedance when disconnected, with undershoot protection to −2 V.
35 9B2 bidirectional Switch port B2 of channel 9, connected to A when selected by S0-S2 and high-impedance when disconnected, with undershoot protection to −2 V.
36 9B1 bidirectional Switch port B1 of channel 9, connected to A when selected by S0-S2 and high-impedance when disconnected, with undershoot protection to −2 V.
37 8B2 bidirectional Switch port B2 of channel 8, connected to A when selected by S0-S2 and high-impedance when disconnected, with undershoot protection to −2 V.
38 GND power_in Device ground reference; all voltages are referenced to ground.
39 8B1 bidirectional Switch port B1 of channel 8, connected to A when selected by S0-S2 and high-impedance when disconnected, with undershoot protection to −2 V.
40 7B2 bidirectional Switch port B2 of channel 7, connected to A when selected by S0-S2 and high-impedance when disconnected, with undershoot protection to −2 V.
41 7B1 bidirectional Switch port B1 of channel 7, connected to A when selected by S0-S2 and high-impedance when disconnected, with undershoot protection to −2 V.
42 6B2 bidirectional Switch port B2 of channel 6, connected to A when selected by S0-S2 and high-impedance when disconnected, with undershoot protection to −2 V.
43 6B1 bidirectional Switch port B1 of channel 6, connected to A when selected by S0-S2 and high-impedance when disconnected, with undershoot protection to −2 V.
44 5B2 bidirectional Switch port B2 of channel 5, connected to A when selected by S0-S2 and high-impedance when disconnected, with undershoot protection to −2 V.
45 5B1 bidirectional Switch port B1 of channel 5, connected to A when selected by S0-S2 and high-impedance when disconnected, with undershoot protection to −2 V.
46 4B2 bidirectional Switch port B2 of channel 4, connected to A when selected by S0-S2 and high-impedance when disconnected, with undershoot protection to −2 V.
47 4B1 bidirectional Switch port B1 of channel 4, connected to A when selected by S0-S2 and high-impedance when disconnected, with undershoot protection to −2 V.
48 3B2 bidirectional Switch port B2 of channel 3, connected to A when selected by S0-S2 and high-impedance when disconnected, with undershoot protection to −2 V.
49 GND power_in Device ground reference; all voltages are referenced to ground.
50 3B1 bidirectional Switch port B1 of channel 3, connected to A when selected by S0-S2 and high-impedance when disconnected, with undershoot protection to −2 V.
51 2B2 bidirectional Switch port B2 of channel 2, connected to A when selected by S0-S2 and high-impedance when disconnected, with undershoot protection to −2 V.
52 2B1 bidirectional Switch port B1 of channel 2, connected to A when selected by S0-S2 and high-impedance when disconnected, with undershoot protection to −2 V.
53 1B2 bidirectional Switch port B2 of channel 1, connected to A when selected by S0-S2 and high-impedance when disconnected, with undershoot protection to −2 V.
54 1B1 bidirectional Switch port B1 of channel 1, connected to A when selected by S0-S2 and high-impedance when disconnected, with undershoot protection to −2 V.
55 S2 input Select input that sets the 1-of-3 switch path; TTL-compatible with VIH minimum 2 V, VIL maximum 0.8 V, and a 5.5 V maximum, and should be tied to GND through a pulldown resistor to keep the switch in high-impedance during power up or power down.
56 S1 input Select input that sets the 1-of-3 switch path; TTL-compatible with VIH minimum 2 V, VIL maximum 0.8 V, and a 5.5 V maximum, and should be tied to GND through a pulldown resistor to keep the switch in high-impedance during power up or power down.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SSOP-56-300mil
Category Logic ICs
Pins 56

CAD (KiCad official)

  • Symbol: SN74CBT16214CDLR
  • Footprint: Package_SO:SSOP-56_7.5x18.5mm_P0.635mm
  • 3D model: SSOP-56-300mil (KiCad packages3D, STEP)
  • 3D model files: sn74cbt16214cdlr-etched.step / sn74cbt16214cdlr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sn74cbt16214cdlr.step / sn74cbt16214cdlr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (17 pp, sha256 6c74cd73ff65d596, retrieved 2026-10-11, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (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