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TC74HC08AF

Public Made by Adom

by adom

TOSHIBA Logic Gates, SOP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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TC74HC08AF

TOSHIBA · Logic Gates · SOP-14

TC74HC08AF from TOSHIBA, in a SOP-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 Gate 1 input A; unused inputs must be tied to VCC or GND.
2 1B input Gate 1 input B; unused inputs must be tied to VCC or GND.
3 1Y output Gate 1 output, Y = A AND B, with
4 2A input Gate 2 input A; unused inputs must be tied to VCC or GND.
5 2B input Gate 2 input B; unused inputs must be tied to VCC or GND.
6 2Y output Gate 2 output, Y = A AND B, with
7 GND power_in Ground reference (0 V) for the device.
8 3Y output Gate 3 output, Y = A AND B, with
9 3A input Gate 3 input A; unused inputs must be tied to VCC or GND.
10 3B input Gate 3 input B; unused inputs must be tied to VCC or GND.
11 4Y output Gate 4 output, Y = A AND B, with
12 4A input Gate 4 input A; unused inputs must be tied to VCC or GND.
13 4B input Gate 4 input B; unused inputs must be tied to VCC or GND.
14 VCC power_in Positive supply, operating range 2 to 6 V (absolute max -0.5 to 7 V).

Key specifications

Parameter Value
Manufacturer TOSHIBA
Package SOP-14
Category Logic
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 2
Input voltage VIN 0 V 2
Output voltage VOUT 0 V 2
Operating temperature Topr -40 85 °C 2
Input rise and fall time tr, tf 0 1000 ns VCC = 2.0 V 2
Input rise and fall time tr, tf 0 500 ns VCC = 4.5 V 2
Input rise and fall time tr, tf 0 400 ns VCC = 6.0 V 2
Supply voltage range VCC -0.5 7 V 2
DC input voltage VIN -0.5 V 2
DC output voltage VOUT -0.5 V 2
Input diode current IIK -20 20 mA 2
Output diode current IOK -20 20 mA 2
DC output current IOUT -25 25 mA 2
DC VCC/ground current ICC -50 50 mA 2
Power dissipation PD 180 mW SOP package 2
Storage temperature Tstg -65 150 °C 2
High-level input voltage VIH 1.5 V VCC = 2.0 V; Ta = −40 to 85°C 3
High-level input voltage VIH 3.15 V VCC = 4.5 V; Ta = −40 to 85°C 3
High-level input voltage VIH 4.2 V VCC = 6.0 V; Ta = −40 to 85°C 3
Low-level input voltage VIL 0.5 V VCC = 2.0 V; Ta = −40 to 85°C 3
Low-level input voltage VIL 1.35 V VCC = 4.5 V; Ta = −40 to 85°C 3
Low-level input voltage VIL 1.8 V VCC = 6.0 V; Ta = −40 to 85°C 3
High-level output voltage VOH 1.9 V VIN = VIH or VIL; IOH = −20 μA; VCC = 2.0 V; Ta = −40 to 85°C 3
High-level output voltage VOH 4.4 V VIN = VIH or VIL; IOH = −20 μA; VCC = 4.5 V; Ta = −40 to 85°C 3
High-level output voltage VOH 5.9 V VIN = VIH or VIL; IOH = −20 μA; VCC = 6.0 V; Ta = −40 to 85°C 3
High-level output voltage VOH 4.18 4.31 V VIN = VIH or VIL; IOH = −4 mA; VCC = 4.5 V; Ta = 25°C 3
High-level output voltage VOH 5.68 5.8 V VIN = VIH or VIL; IOH = −5.2 mA; VCC = 6.0 V; Ta = 25°C 3
High-level output voltage VOH 4.13 V VIN = VIH or VIL; IOH = −4 mA; VCC = 4.5 V; Ta = −40 to 85°C 3
High-level output voltage VOH 5.63 V VIN = VIH or VIL; IOH = −5.2 mA; VCC = 6.0 V; Ta = −40 to 85°C 3
Low-level output voltage VOL 0.1 V VIN = VIH or VIL; IOL = 20 μA; VCC = 2.0 V; Ta = −40 to 85°C 3
Low-level output voltage VOL 0.17 0.26 V VIN = VIH or VIL; IOL = 4 mA; VCC = 4.5 V; Ta = 25°C 3
Low-level output voltage VOL 0.18 0.26 V VIN = VIH or VIL; IOL = 5.2 mA; VCC = 6.0 V; Ta = 25°C 3
Low-level output voltage VOL 0.33 V VIN = VIH or VIL; IOL = 4 mA; VCC = 4.5 V; Ta = −40 to 85°C 3
Input leakage current IIN -0.1 0.1 μA VIN = VCC or GND; VCC = 6.0 V; Ta = 25°C 3
Input leakage current IIN -1 1 μA VIN = VCC or GND; VCC = 6.0 V; Ta = −40 to 85°C 3
Quiescent supply current ICC 1 μA VIN = VCC or GND; VCC = 6.0 V; Ta = 25°C 3
Quiescent supply current ICC 10 μA VIN = VCC or GND; VCC = 6.0 V; Ta = −40 to 85°C 3
Output transition time tTLH, tTHL 4 8 ns CL = 15 pF, VCC = 5 V, Ta = 25°C, tr = tf = 6 ns 3
Propagation delay time tpLH, tpHL 6 12 ns CL = 15 pF, VCC = 5 V, Ta = 25°C, tr = tf = 6 ns 3
Output transition time tTLH, tTHL 25 75 ns CL = 50 pF, VCC = 2.0 V, Ta = 25°C, tr = tf = 6 ns 4
Output transition time tTLH, tTHL 7 15 ns CL = 50 pF, VCC = 4.5 V, Ta = 25°C, tr = tf = 6 ns 4
Output transition time tTLH, tTHL 6 13 ns CL = 50 pF, VCC = 6.0 V, Ta = 25°C, tr = tf = 6 ns 4
Output transition time tTLH, tTHL 95 ns CL = 50 pF, VCC = 2.0 V, Ta = −40 to 85°C, tr = tf = 6 ns 4
Output transition time tTLH, tTHL 19 ns CL = 50 pF, VCC = 4.5 V, Ta = −40 to 85°C, tr = tf = 6 ns 4
Output transition time tTLH, tTHL 16 ns CL = 50 pF, VCC = 6.0 V, Ta = −40 to 85°C, tr = tf = 6 ns 4
Propagation delay time tpLH, tpHL 24 75 ns CL = 50 pF, VCC = 2.0 V, Ta = 25°C, tr = tf = 6 ns 4
Propagation delay time tpLH, tpHL 8 15 ns CL = 50 pF, VCC = 4.5 V, Ta = 25°C, tr = tf = 6 ns 4
Propagation delay time tpLH, tpHL 7 13 ns CL = 50 pF, VCC = 6.0 V, Ta = 25°C, tr = tf = 6 ns 4
Propagation delay time tpLH, tpHL 95 ns CL = 50 pF, VCC = 2.0 V, Ta = −40 to 85°C, tr = tf = 6 ns 4
Propagation delay time tpLH, tpHL 19 ns CL = 50 pF, VCC = 4.5 V, Ta = −40 to 85°C, tr = tf = 6 ns 4
Propagation delay time tpLH, tpHL 16 ns CL = 50 pF, VCC = 6.0 V, Ta = −40 to 85°C, tr = tf = 6 ns 4
Input capacitance CIN 5 10 pF 4
Input capacitance CIN 10 pF Ta = −40 to 85°C 4

CAD (KiCad official)

  • Symbol: TC74HC08AF
  • Footprint: Package_SO:SOIC-14_3.9x8.7mm_P1.27mm
  • 3D model: SOP-14 (KiCad packages3D, STEP)
  • 3D model files: tc74hc08af-etched.step / tc74hc08af-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tc74hc08af.step / tc74hc08af.glb are the bare package body.

Provenance

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

  • Datasheet: TOSHIBA datasheet (7 pp, sha256 0d189334ee8e7da6, retrieved 2026-10-14, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-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