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SN74AC14N

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Texas Instruments Inverters, PDIP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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SN74AC14N

Texas Instruments · Inverters · PDIP-14

SN74AC14N from Texas Instruments, in a PDIP-14. 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 1A input Channel 1 Schmitt-trigger inverter input A.
2 1Y output Channel 1 inverter output Y (balanced CMOS push-pull).
3 2A input Channel 2 Schmitt-trigger inverter input A.
4 2Y output Channel 2 inverter output Y (balanced CMOS push-pull).
5 3A input Channel 3 Schmitt-trigger inverter input A.
6 3Y output Channel 3 inverter output Y (balanced CMOS push-pull).
7 GND power_in Ground.
8 4Y output Channel 4 inverter output Y (balanced CMOS push-pull).
9 4A input Channel 4 Schmitt-trigger inverter input A.
10 5Y output Channel 5 inverter output Y (balanced CMOS push-pull).
11 5A input Channel 5 Schmitt-trigger inverter input A.
12 6Y output Channel 6 inverter output Y (balanced CMOS push-pull).
13 6A input Channel 6 Schmitt-trigger inverter input A.
14 VCC power_in Positive supply, 2 V to 6 V recommended operating range.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package PDIP-14
Category Logic ICs
Pins 14

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 2 6 V SN74AC14 5
Input voltage VI 0 V 0 to VCC 5
Output voltage VO 0 V 0 to VCC 5
High-level output current IOH -12 mA VCC = 3 V 5
High-level output current IOH -24 mA VCC = 4.5 V 5
Low-level output current IOL 12 mA VCC = 3 V 5
Low-level output current IOL 24 mA VCC = 4.5 V 5
Operating free-air temperature TA -40 85 °C SN74AC14 5
Positive-going threshold VT+ 0.8 1.8 2.2 V VCC = 3 V; typ at TA = 25°C 6
Positive-going threshold VT+ 1.5 2.6 3.2 V VCC = 4.5 V; typ at TA = 25°C 6
Positive-going threshold VT+ 1.6 3.2 3.9 V VCC = 5.5 V; typ at TA = 25°C 6
Negative-going threshold VT- 0.5 0.8 1 V VCC = 3 V; typ at TA = 25°C 6
Negative-going threshold VT- 0.9 1.4 1.8 V VCC = 4.5 V; typ at TA = 25°C 6
Negative-going threshold VT- 1.1 1.8 2.3 V VCC = 5.5 V; typ at TA = 25°C 6
Hysteresis (VT+ - VT-) ΔVT 0.3 1 1.2 V VCC = 3 V; typ at TA = 25°C 6
Hysteresis (VT+ - VT-) ΔVT 0.4 1.2 1.4 V VCC = 4.5 V; typ at TA = 25°C 6
Hysteresis (VT+ - VT-) ΔVT 0.5 1.4 1.6 V VCC = 5.5 V; typ at TA = 25°C 6
High-level output voltage VOH 2.9 V IOH = -50 μA, VCC = 3 V 6
High-level output voltage VOH 4.4 V IOH = -50 μA, VCC = 4.5 V 6
High-level output voltage VOH 5.4 V IOH = -50 μA, VCC = 5.5 V 6
High-level output voltage VOH 2.48 V IOH = -12 mA, VCC = 3 V 6
High-level output voltage VOH 3.8 V IOH = -24 mA, VCC = 4.5 V 6
High-level output voltage VOH 4.8 V IOH = -24 mA, VCC = 5.5 V 6
Low-level output voltage VOL 0.1 V IOL = 50 μA, VCC = 3 V 6
Low-level output voltage VOL 0.44 V IOL = 12 mA, VCC = 3 V 6
Input current II -1 1 μA VI = VCC or GND, VCC = 5.5 V 6
Supply current ICC 20 μA VI = VCC or GND, IO = 0, VCC = 5.5 V 6
Input capacitance Ci 4.5 pF VI = VCC or GND, VCC = 5 V 6
Propagation delay A to Y (low-to-high) tPLH 1.5 6 15 ns VCC = 3.3 V ± 0.3 V; typ at TA = 25°C 6
Propagation delay A to Y (high-to-low) tPHL 1.5 6 13 ns VCC = 3.3 V ± 0.3 V; typ at TA = 25°C 6
Propagation delay A to Y (low-to-high) tPLH 1.5 5 11 ns VCC = 5 V ± 0.5 V; typ at TA = 25°C 7
Propagation delay A to Y (high-to-low) tPHL 1.5 5 9.5 ns VCC = 5 V ± 0.5 V; typ at TA = 25°C 7
Power dissipation capacitance Cpd 25 pF CL = 50 pF, f = 1 MHz, VCC = 5 V, TA = 25°C 7
Supply voltage range VCC -0.5 7 V 5
Input voltage range VI -0.5 V max is VCC + 0.5 V 5
Output voltage range VO -0.5 V max is VCC + 0.5 V 5
Input clamp current IIK -20 20 mA VI < 0 or VI > VCC 5
Output clamp current IOK -20 20 mA VO < 0 or VO > VCC 5
Continuous output current IO -50 50 mA VO = 0 to VCC 5
Continuous current through VCC or GND -200 200 mA 5
Storage temperature range Tstg -65 150 °C 5
ESD HBM V(ESD) -4000 4000 V Human body model, all pins 5
ESD CDM V(ESD) -2000 2000 V Charged device model, all pins 5
Junction-to-ambient thermal resistance RθJA 80 °C/W N (PDIP), 14 pins 5

CAD (KiCad official)

  • Symbol: SN74AC14N
  • Footprint: Package_DIP:DIP-14_W7.62mm
  • 3D model: PDIP-14 (KiCad packages3D, STEP)
  • 3D model files: sn74ac14n-etched.step / sn74ac14n-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sn74ac14n.step / sn74ac14n.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (33 pp, sha256 998abc16935bab41, retrieved 2026-10-26, tier: manufacturer)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-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