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MM74HCT08M

Public Made by Adom

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

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MM74HCT08M

onsemi · Gates · SOIC-14

MM74HCT08M from onsemi, in a SOIC-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 A1 input Gate 1 input A; TTL-compatible threshold with VIH min 2.0V and VIL max 0.8V.
2 B1 input Gate 1 input B; TTL-compatible threshold with VIH min 2.0V and VIL max 0.8V.
3 Y1 output Gate 1 AND output; drives 4.0mA at VCC = 4.5V with VOL max 0.26V at 25°C.
4 A2 input Gate 2 input A; TTL-compatible threshold with VIH min 2.0V and VIL max 0.8V.
5 B2 input Gate 2 input B; TTL-compatible threshold with VIH min 2.0V and VIL max 0.8V.
6 Y2 output Gate 2 AND output; drives 4.0mA at VCC = 4.5V with VOL max 0.26V at 25°C.
7 GND power_in Ground reference (0V) for the device.
8 Y3 output Gate 3 AND output; drives 4.0mA at VCC = 4.5V with VOL max 0.26V at 25°C.
9 A3 input Gate 3 input A; TTL-compatible threshold with VIH min 2.0V and VIL max 0.8V.
10 B3 input Gate 3 input B; TTL-compatible threshold with VIH min 2.0V and VIL max 0.8V.
11 Y4 output Gate 4 AND output; drives 4.0mA at VCC = 4.5V with VOL max 0.26V at 25°C.
12 A4 input Gate 4 input A; TTL-compatible threshold with VIH min 2.0V and VIL max 0.8V.
13 B4 input Gate 4 input B; TTL-compatible threshold with VIH min 2.0V and VIL max 0.8V.
14 VCC power_in Positive supply, recommended 4.5V to 5.5V, absolute maximum -0.5 to +7.0V.

Key specifications

Parameter Value
Manufacturer onsemi
Package SOIC-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
Minimum HIGH Level Input Voltage VIH 2 V VCC = 5V ± 10%, TA = -40°C to 85°C 4
Maximum LOW Level Input Voltage VIL 0.8 V VCC = 5V ± 10%, TA = -40°C to 85°C 4
Minimum HIGH Level Output Voltage VOH 3.84 4.2 V VIN = VIH or VIL, /IOUT/ = 4.0mA, VCC = 4.5V 4
Minimum HIGH Level Output Voltage VOH 4.84 5.2 V VIN = VIH or VIL, /IOUT/ = 4.8mA, VCC = 5.5V 4
Maximum LOW Level Voltage VOL 0 0.1 V VIN = VIH, /IOUT/ = 20µA 4
Maximum LOW Level Voltage VOL 0.2 0.33 V VIN = VIH, /IOUT/ = 4.0mA, VCC = 4.5V 4
Maximum Input Current IIN -1 1 µA VIN = VCC or GND, VIH or VIL 4
Maximum Quiescent Supply Current ICC 2 20 µA VIN = VCC or GND, IOUT = 0µA 4
Maximum Quiescent Supply Current ICC 1.2 1.4 mA VIN = 2.4V or 0.5V, per input 4
Maximum Propagation Delay tPLH, tPHL 9 15 ns VCC = 5.0V, tr = tf = 6ns, CL = 15pF, TA = 25°C 5
Maximum Propagation Delay tPLH, tPHL 11 23 ns VCC = 5.0V ± 10%, tr = tf = 6ns, CL = 50pF, TA = -40°C to 85°C 5
Maximum Output Rise and Fall Time tTHL, tTLH 7 19 ns VCC = 5.0V ± 10%, tr = tf = 6ns, CL = 50pF, TA = -40°C to 85°C 5
Input Capacitance CIN 5 10 pF VCC = 5.0V ± 10%, CL = 50pF 5
Power Dissipation Capacitance CPD 38 pF Note 4 5
Supply Voltage VCC -0.5 7 V 3
DC Input Voltage VIN -1.5 V upper limit printed as VCC+1.5V 3
DC Output Voltage VOUT -0.5 V upper limit printed as VCC+0.5V 3
Clamp Diode Current IIK, IOK -20 20 mA 3
DC Output Current, per pin IOUT -25 25 mA 3
DC VCC or GND Current, per pin ICC -50 50 mA 3
Storage Temperature Range TSTG -65 150 °C 3
Power Dissipation PD 500 mW S.O. Package only 3
Lead Temperature TL 260 °C Soldering 10 seconds 3
Supply Voltage VCC 4.5 5.5 V 3
DC Input or Output Voltage VIN, VOUT 0 V upper limit printed as VCC 3
Operating Temperature Range TA -40 85 °C 3
Input Rise or Fall Times tr, tf 500 ns 3

CAD (KiCad official)

  • Symbol: MM74HCT08M
  • Footprint: Package_SO:SOIC-14_3.9x8.7mm_P1.27mm
  • 3D model: SOIC-14 (KiCad packages3D, STEP)
  • 3D model files: mm74hct08m-etched.step / mm74hct08m-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mm74hct08m.step / mm74hct08m.glb are the bare package body.

Provenance

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

  • Datasheet: onsemi datasheet (9 pp, sha256 3c56cbf1f32bc343, retrieved 2026-10-24, tier: manufacturer)
  • 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