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MC74HC14ADTG

onsemi · Inverters · TSSOP-14

MC74HC14ADTG from onsemi, in a TSSOP-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 Schmitt-trigger inverter 1 input; unused inputs must be tied to GND or VCC.
2 Y1 output Inverter 1 output (Y = A inverted), drives 10 LSTTL loads; unused outputs must be left open.
3 A2 input Schmitt-trigger inverter 2 input; unused inputs must be tied to GND or VCC.
4 Y2 output Inverter 2 output (Y = A inverted), drives 10 LSTTL loads; unused outputs must be left open.
5 A3 input Schmitt-trigger inverter 3 input; unused inputs must be tied to GND or VCC.
6 Y3 output Inverter 3 output (Y = A inverted), drives 10 LSTTL loads; unused outputs must be left open.
7 GND power_in Ground (0 V) reference for the supply and all inputs/outputs.
8 Y4 output Inverter 4 output (Y = A inverted), drives 10 LSTTL loads; unused outputs must be left open.
9 A4 input Schmitt-trigger inverter 4 input; unused inputs must be tied to GND or VCC.
10 Y5 output Inverter 5 output (Y = A inverted), drives 10 LSTTL loads; unused outputs must be left open.
11 A5 input Schmitt-trigger inverter 5 input; unused inputs must be tied to GND or VCC.
12 Y6 output Inverter 6 output (Y = A inverted), drives 10 LSTTL loads; unused outputs must be left open.
13 A6 input Schmitt-trigger inverter 6 input; unused inputs must be tied to GND or VCC.
14 VCC power_in Positive supply, recommended operating range 2.0 to 6.0 V (absolute maximum 7.0 V).

Key specifications

Parameter Value
Manufacturer onsemi
Package TSSOP-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
DC Supply Voltage VCC -0.5 7 V Referenced to GND 2
DC Input Current, per Pin Iin -20 20 mA 2
DC Output Current, per Pin Iout -25 25 mA 2
DC Supply Current, VCC and GND Pins ICC -50 50 mA 2
Power Dissipation in Still Air, TSSOP Package PD 450 mW Derating -6.1 mW/C from 65 to 125C 2
Storage Temperature Range Tstg -65 150 C 2
Lead Temperature TL 260 C 1 mm from case for 10 seconds, TSSOP package 2
DC Supply Voltage VCC 2 6 V Referenced to GND 2
DC Input Voltage, Output Voltage Vin, Vout 0 6 V 0 to VCC, referenced to GND; max shown at VCC = 6.0 V 2
Operating Temperature Range TA -55 125 C All package types 2
Maximum Positive-Going Input Threshold Voltage VT+ max 3.15 V -55 to 25C, VCC = 4.5 V, Vout = 0.1V, /Iout/ <= 20uA 3
Minimum Positive-Going Input Threshold Voltage VT+ min 2.3 V -55 to 25C, VCC = 4.5 V, Vout = 0.1V, /Iout/ <= 20uA 3
Minimum Positive-Going Input Threshold Voltage VT+ min 2.25 V <=85C, VCC = 4.5 V, Vout = 0.1V, /Iout/ <= 20uA 3
Maximum Negative-Going Input Threshold Voltage VT- max 2 V -55 to 25C, VCC = 4.5 V, Vout = VCC - 0.1V, /Iout/ <= 20uA 3
Maximum Negative-Going Input Threshold Voltage VT- max 2.05 V <=85C, VCC = 4.5 V, Vout = VCC - 0.1V, /Iout/ <= 20uA 3
Minimum Negative-Going Input Threshold Voltage VT- min 0.9 V -55 to 25C, VCC = 4.5 V, Vout = VCC - 0.1V, /Iout/ <= 20uA 3
Maximum Hysteresis Voltage VHmax 2.25 V -55 to 25C, VCC = 4.5 V, Vout = 0.1V or VCC - 0.1V, /Iout/ <= 20uA 3
Minimum Hysteresis Voltage VHmin 0.4 V -55 to 25C, VCC = 4.5 V, Vout = 0.1V or VCC - 0.1V, /Iout/ <= 20uA 3
Minimum High-Level Output Voltage VOH 4.4 V -55 to 25C, VCC = 4.5 V, Vin <= VT- min, /Iout/ <= 20uA 3
Minimum High-Level Output Voltage VOH 3.98 V -55 to 25C, VCC = 4.5 V, Vin <= VT- min, /Iout/ <= 4.0mA 3
Minimum High-Level Output Voltage VOH 3.84 V <=85C, VCC = 4.5 V, Vin <= VT- min, /Iout/ <= 4.0mA 3
Minimum High-Level Output Voltage VOH 3.7 V <=125C, VCC = 4.5 V, Vin <= VT- min, /Iout/ <= 4.0mA 3
Maximum Low-Level Output Voltage VOL 0.1 V -55 to 25C, VCC = 4.5 V, Vin >= VT+ max, /Iout/ <= 20uA 3
Maximum Low-Level Output Voltage VOL 0.26 V -55 to 25C, VCC = 4.5 V, Vin >= VT+ max, /Iout/ <= 4.0mA 3
Maximum Low-Level Output Voltage VOL 0.33 V <=85C, VCC = 4.5 V, Vin >= VT+ max, /Iout/ <= 4.0mA 3
Maximum Low-Level Output Voltage VOL 0.4 V <=125C, VCC = 4.5 V, Vin >= VT+ max, /Iout/ <= 4.0mA 3
Maximum Input Leakage Current Iin -0.1 0.1 µA -55 to 25C, VCC = 6.0 V, Vin = VCC or GND 3
Maximum Input Leakage Current Iin -1 1 µA <=85C, VCC = 6.0 V, Vin = VCC or GND 3
Maximum Quiescent Supply Current (per Package) ICC 1 µA -55 to 25C, VCC = 6.0 V, Vin = VCC or GND, Iout = 0uA 3
Maximum Quiescent Supply Current (per Package) ICC 10 µA <=85C, VCC = 6.0 V, Vin = VCC or GND, Iout = 0uA 3
Maximum Quiescent Supply Current (per Package) ICC 40 µA <=125C, VCC = 6.0 V, Vin = VCC or GND, Iout = 0uA 3
Maximum Propagation Delay, Input A to Output Y tPLH, tPHL 15 ns -55 to 25C, VCC = 4.5 V, CL = 50pF, Input tr = tf = 6ns 3
Maximum Propagation Delay, Input A to Output Y tPLH, tPHL 19 ns <=85C, VCC = 4.5 V, CL = 50pF, Input tr = tf = 6ns 3
Maximum Propagation Delay, Input A to Output Y tPLH, tPHL 22 ns <=125C, VCC = 4.5 V, CL = 50pF, Input tr = tf = 6ns 3
Maximum Output Transition Time, Any Output tTLH, tTHL 15 ns -55 to 25C, VCC = 4.5 V, CL = 50pF, Input tr = tf = 6ns 3
Maximum Output Transition Time, Any Output tTLH, tTHL 19 ns <=85C, VCC = 4.5 V, CL = 50pF, Input tr = tf = 6ns 3
Maximum Output Transition Time, Any Output tTLH, tTHL 22 ns <=125C, VCC = 4.5 V, CL = 50pF, Input tr = tf = 6ns 3
Maximum Input Capacitance Cin 10 pF Same limit for -55 to 25C, <=85C and <=125C 3
Power Dissipation Capacitance (Per Inverter) CPD 22 pF Typical @ 25C, VCC = 5.0 V 3

CAD (KiCad official)

  • Symbol: MC74HC14ADTG
  • Footprint: Package_SO:TSSOP-14_4.4x5mm_P0.65mm
  • 3D model: TSSOP-14 (KiCad packages3D, STEP)
  • 3D model files: mc74hc14adtg-etched.step / mc74hc14adtg-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mc74hc14adtg.step / mc74hc14adtg.glb are the bare package body.

Provenance

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

  • Datasheet: onsemi datasheet (9 pp, sha256 60c9099f68ca7c89, retrieved 2026-10-23, tier: manufacturer)
  • 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