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CD4081B Quad AND Gate

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by Ray

Quad AND Gate in the 4000B CMOS family, 3 V to 18 V.

logic-gate4000-seriescmostisoic-14
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CD4081B

Texas Instruments · Logic Gate · SOIC-14

The CD4081B contains four independent 2-input AND gates in the 4000B CMOS family; each output is high only when both inputs are high. It runs from 3 V to 18 V.

Pinout

Pin Name Type Function
1 1A input Gate 1 input A. CMOS logic input, high-impedance; protected by CMOS input protection network. Recommended VIH ≥ 3.5 V at VDD=5 V.
2 1B input Gate 1 input B. CMOS logic input paired with pin 1 to drive AND gate 1.
3 1Y output Gate 1 output, J = 1A · 1B. Symmetrical CMOS push-pull output; IOH/IOL ≈ 1 mA at VDD=5 V.
4 2Y output Gate 2 output, K = 2A · 2B. Symmetrical CMOS push-pull output.
5 2A input Gate 2 input A. CMOS logic input.
6 2B input Gate 2 input B. CMOS logic input paired with pin 5 to drive AND gate 2.
7 VSS power_in Negative supply / ground reference (0 V). Common return for all four gates.
8 3A input Gate 3 input A. CMOS logic input.
9 3B input Gate 3 input B. CMOS logic input paired with pin 8 to drive AND gate 3.
10 3Y output Gate 3 output, L = 3A · 3B. Symmetrical CMOS push-pull output.
11 4Y output Gate 4 output, M = 4A · 4B. Symmetrical CMOS push-pull output.
12 4A input Gate 4 input A. CMOS logic input.
13 4B input Gate 4 input B. CMOS logic input paired with pin 12 to drive AND gate 4.
14 VDD power_in Positive supply. Recommended 3 V ≤ VDD ≤ 18 V (absolute max −0.5 V to +20 V referenced to VSS). Decouple to VSS with a local bypass capacitor.

Key specifications

Parameter Value
Type Quad AND Gate
Logic family 4000B (CMOS)
Supply voltage 3 V to 18 V
Propagation delay 45 ns typ at 10 V
Operating temperature -55 C to 125 C

Ordering variants

Same part, different packaging or reel option.

  • CD4081BE
  • CD4081BEE4
  • CD4081BF
  • CD4081BF3A
  • CD4081BAS2534
  • CD4081BM
  • CD4081BM96
  • CD4081BME4
  • CD4081BMG4
  • CD4081BMT
  • CD4081BMTE4
  • CD4081BMTG4
  • CD4081BM96E4
  • CD4081BM96G4
  • CD4081BNSR
  • CD4081BNSRE4
  • CD4081BNSRG4
  • CD4081BPW
  • CD4081BPWR
  • CD4081BPWE4
  • CD4081BPWG4
  • CD4081BPWRE4
  • CD4081BPWRG4

CAD (KiCad official)

  • Symbol: cd4081.kicad_sym
  • Footprint: cd4081.kicad_mod
  • 3D model: SOIC-14 body from KiCad Package_SO/SOIC-14_3.9x8.7mm_P1.27mm.

Provenance

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

  • Datasheet: Texas Instruments datasheet (34 pp, sha256 0eed8b8607c5c076, retrieved 2026-08-17, tier: manufacturer)
  • Extractor: ds2sf (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF