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README

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74CBTLV3245PW

Nexperia · Signal Switches, Multiplexers, Decoders · TSSOP-20

74CBTLV3245PW from Nexperia, in a TSSOP-20. 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 n.c. unconnected Not connected; leave this pin unconnected.
2 A1 bidirectional Data input/output on the A port; the A-to-B switch is closed when OE is LOW and high-impedance when OE is HIGH, with VSW limited to 0 V to VCC.
3 A2 bidirectional Data input/output on the A port; the A-to-B switch is closed when OE is LOW and high-impedance when OE is HIGH, with VSW limited to 0 V to VCC.
4 A3 bidirectional Data input/output on the A port; the A-to-B switch is closed when OE is LOW and high-impedance when OE is HIGH, with VSW limited to 0 V to VCC.
5 A4 bidirectional Data input/output on the A port; the A-to-B switch is closed when OE is LOW and high-impedance when OE is HIGH, with VSW limited to 0 V to VCC.
6 A5 bidirectional Data input/output on the A port; the A-to-B switch is closed when OE is LOW and high-impedance when OE is HIGH, with VSW limited to 0 V to VCC.
7 A6 bidirectional Data input/output on the A port; the A-to-B switch is closed when OE is LOW and high-impedance when OE is HIGH, with VSW limited to 0 V to VCC.
8 A7 bidirectional Data input/output on the A port; the A-to-B switch is closed when OE is LOW and high-impedance when OE is HIGH, with VSW limited to 0 V to VCC.
9 A8 bidirectional Data input/output on the A port; the A-to-B switch is closed when OE is LOW and high-impedance when OE is HIGH, with VSW limited to 0 V to VCC.
10 GND power_in Ground (0 V) reference for all voltages on the device.
11 B8 bidirectional Data input/output on the B port; the B-to-A switch is closed when OE is LOW and high-impedance when OE is HIGH, with VSW limited to 0 V to VCC.
12 B7 bidirectional Data input/output on the B port; the B-to-A switch is closed when OE is LOW and high-impedance when OE is HIGH, with VSW limited to 0 V to VCC.
13 B6 bidirectional Data input/output on the B port; the B-to-A switch is closed when OE is LOW and high-impedance when OE is HIGH, with VSW limited to 0 V to VCC.
14 B5 bidirectional Data input/output on the B port; the B-to-A switch is closed when OE is LOW and high-impedance when OE is HIGH, with VSW limited to 0 V to VCC.
15 B4 bidirectional Data input/output on the B port; the B-to-A switch is closed when OE is LOW and high-impedance when OE is HIGH, with VSW limited to 0 V to VCC.
16 B3 bidirectional Data input/output on the B port; the B-to-A switch is closed when OE is LOW and high-impedance when OE is HIGH, with VSW limited to 0 V to VCC.
17 B2 bidirectional Data input/output on the B port; the B-to-A switch is closed when OE is LOW and high-impedance when OE is HIGH, with VSW limited to 0 V to VCC.
18 B1 bidirectional Data input/output on the B port; the B-to-A switch is closed when OE is LOW and high-impedance when OE is HIGH, with VSW limited to 0 V to VCC.
19 OE input Active-LOW output enable input with Schmitt-trigger action; LOW connects An to Bn, HIGH disables all switches (high-impedance).
20 VCC power_in Positive supply voltage, 2.3 V to 3.6 V recommended operating range.

Key specifications

Parameter Value
Manufacturer Nexperia
Package TSSOP-20
Category Logic
Pins 20

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Supply voltage VCC -0.5 4.6 V 3
Input voltage VI -0.5 4.6 V 3
Switch voltage VSW -0.5 V enable and disable mode 3
Input clamping current IIK -50 mA VI < -0.5 V 3
Switch clamping current ISK -50 mA VI < -0.5 V 3
Switch current ISW -128 128 mA VSW = 0 V to VCC 3
Supply current ICC 100 mA 3
Ground current IGND -100 mA 3
Storage temperature Tstg -65 150 °C 3
Total power dissipation Ptot 500 mW Tamb = -40 °C to +125 °C 3
Supply voltage VCC 2.3 3.6 V 3
Input voltage VI 0 3.6 V 3
Switch voltage VSW 0 V enable and disable mode 3
Ambient temperature Tamb -40 125 °C 3
Input transition rise and fall rate Δt/ΔV 200 ns/V VCC = 2.3 V to 3.6 V; applies to control signal levels 3
HIGH-level input voltage VIH 1.7 V VCC = 2.3 V to 2.7 V 4
HIGH-level input voltage VIH 2 V VCC = 3.0 V to 3.6 V 4
LOW-level input voltage VIL 0.7 V VCC = 2.3 V to 2.7 V 4
LOW-level input voltage VIL 0.9 V VCC = 3.0 V to 3.6 V 4
Input leakage current II -20 20 μA pin OE; VI = GND to VCC; VCC = 3.6 V 4
OFF-state leakage current IS(OFF) -20 20 μA VCC = 3.6 V; see Fig. 3 4
ON-state leakage current IS(ON) -20 20 μA VCC = 3.6 V; see Fig. 4 4
Power-off leakage current IOFF -50 50 μA VI or VO = 0 V to 3.6 V; VCC = 0 V 4
Supply current ICC 50 μA VI = GND or VCC; IO = 0 A; VSW = GND or VCC; VCC = 3.6 V 4
Additional supply current ΔICC 2000 μA pin OE; VI = VCC - 0.6 V; VSW = GND or VCC; VCC = 3.6 V; one input at 3 V, other inputs at VCC or GND 4
ON resistance RON 15 Ω VCC = 2.3 V to 2.7 V; ISW = 64 mA; VI = 0 V 5
ON resistance RON 60 Ω VCC = 2.3 V to 2.7 V; ISW = 15 mA; VI = 1.7 V 5
ON resistance RON 11 Ω VCC = 3.0 V to 3.6 V; ISW = 64 mA; VI = 0 V 5
ON resistance RON 25.5 Ω VCC = 3.0 V to 3.6 V; ISW = 15 mA; VI = 2.4 V 5
Propagation delay tpd 0.2 ns An to Bn or Bn to An; see Fig. 12; VCC = 2.3 V to 2.7 V 8
Propagation delay tpd 0.31 ns An to Bn or Bn to An; see Fig. 12; VCC = 3.0 V to 3.6 V 8
Enable time ten 1 8 ns OE to An or Bn; see Fig. 13; VCC = 2.3 V to 2.7 V 8
Enable time ten 1 7 ns OE to An or Bn; see Fig. 13; VCC = 3.0 V to 3.6 V 8
Disable time tdis 1 8 ns OE to An or Bn; see Fig. 13; VCC = 2.3 V to 2.7 V 8
Disable time tdis 1 8.5 ns OE to An or Bn; see Fig. 13; VCC = 3.0 V to 3.6 V 8
Derating of total power dissipation above 100 °C Ptot 10 mW/K SOT360-1 (TSSOP20) package; derates linearly above 100 °C 3

CAD (KiCad official)

  • Symbol: 74CBTLV3245PW
  • Footprint: Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm
  • 3D model: TSSOP-20 (KiCad packages3D, STEP)
  • 3D model files: 74cbtlv3245pw-etched.step / 74cbtlv3245pw-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 74cbtlv3245pw.step / 74cbtlv3245pw.glb are the bare package body.

Provenance

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

  • Datasheet: Nexperia datasheet (16 pp, sha256 70db965e987e7eb6, retrieved 2026-10-18, 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