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MC74HC139ADR2G

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onsemi Signal Switches, Multiplexers, Decoders, SOIC-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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MC74HC139ADR2G

onsemi · Signal Switches, Multiplexers, Decoders · SOIC-16

MC74HC139ADR2G from onsemi, in a SOIC-16. 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 SELECTa input Active-low select input for decoder a; when low the outputs Y0a to Y3a follow the address inputs, and when high all outputs Y0a to Y3a are forced high.
2 A0a input Address input A0 for decoder a, which selects one of its four active-low outputs when the decoder is enabled.
3 A1a input Address input A1 for decoder a, which selects one of its four active-low outputs when the decoder is enabled.
4 Y0a output Active-low output 0 of decoder a, which goes low when addressed while SELECTa is active and remains high otherwise.
5 Y1a output Active-low output 1 of decoder a, which goes low when addressed while SELECTa is active and remains high otherwise.
6 Y2a output Active-low output 2 of decoder a, which goes low when addressed while SELECTa is active and remains high otherwise.
7 Y3a output Active-low output 3 of decoder a, which goes low when addressed while SELECTa is active and remains high otherwise.
8 GND power_in Ground pin, the 0 V reference for all voltages on the device (Figure 1, PIN 8 = GND).
9 Y3b output Active-low output 3 of decoder b, which goes low when addressed while SELECTb is active and remains high otherwise.
10 Y2b output Active-low output 2 of decoder b, which goes low when addressed while SELECTb is active and remains high otherwise.
11 Y1b output Active-low output 1 of decoder b, which goes low when addressed while SELECTb is active and remains high otherwise.
12 Y0b output Active-low output 0 of decoder b, which goes low when addressed while SELECTb is active and remains high otherwise.
13 A1b input Address input A1 for decoder b, which selects one of its four active-low outputs when the decoder is enabled.
14 A0b input Address input A0 for decoder b, which selects one of its four active-low outputs when the decoder is enabled.
15 SELECTb input Active-low select input for decoder b; when low the outputs Y0b to Y3b follow the address inputs, and when high all outputs Y0b to Y3b are forced high.
16 VCC power_in Positive supply pin; the device operating voltage range is 2.0 to 6.0 V referenced to GND (Figure 1, PIN 16 = VCC).

Key specifications

Parameter Value
Manufacturer onsemi
Package SOIC-16
Category Logic
Pins 16

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 (Referenced to GND) VCC -0.5 7 V Absolute maximum rating 3
DC Input Voltage (Referenced to GND) VIN -1.5 V Referenced to GND; maximum stated as VCC 3
DC Output Voltage (Referenced to GND) VOUT -0.5 V Referenced to GND; maximum stated as VCC; Note 1: IO absolute maximum rating must be observed 3
DC Input Current, per Pin IIN 20 mA Per pin 3
DC Output Current, per Pin IOUT 25 mA Per pin 3
DC Supply Current, VCC Pin ICC 50 mA VCC pin 3
DC Ground Current per Ground Pin IGND 50 mA Per ground pin 3
Storage Temperature Range TSTG -65 150 C 3
Lead Temperature TL 260 C 1 mm from case for 10 seconds 3
Junction Temperature Under Bias TJ 150 C Under bias 3
Power Dissipation in Still Air at 85C PD 500 mW SOIC package, still air at 85C 3
ESD Withstand Voltage Human Body Model VESD 2000 V Human Body Model (Note 2) 3
ESD Withstand Voltage Machine Model VESD 200 V Machine Model (Note 3) 3
ESD Withstand Voltage Charged Device Model VESD 1000 V Charged Device Model (Note 4) 3
Latchup Performance ILATCHUP 300 mA Above VCC and below GND at 85C (Note 5) 3
DC Supply Voltage (Referenced to GND) VCC 2 6 V Recommended operating 3
DC Input Voltage, Output Voltage (Referenced to GND) VIN, VOUT 0 V Maximum stated as VCC 3
Operating Temperature, All Package Types TA -55 125 C 3
Input Rise and Fall Time tr, tf 0 1000 ns VCC = 2.0 V (Figure 3) 3
Input Rise and Fall Time tr, tf 0 500 ns VCC = 4.5 V (Figure 3) 3
Input Rise and Fall Time tr, tf 0 400 ns VCC = 6.0 V (Figure 3) 3
Minimum High-Level Input Voltage VIH 1.5 V VCC = 2.0 V; VOUT = 0.1 V or VCC-0.1 V; /IOUT/ <= 20 uA; 55C to 25C 4
Minimum High-Level Input Voltage VIH 3.15 V VCC = 4.5 V; VOUT = 0.1 V or VCC-0.1 V; /IOUT/ <= 20 uA; 55C to 25C 4
Minimum High-Level Input Voltage VIH 4.2 V VCC = 6.0 V; VOUT = 0.1 V or VCC-0.1 V; /IOUT/ <= 20 uA; 55C to 25C 4
Maximum Low-Level Input Voltage VIL 0.5 V VCC = 2.0 V; VOUT = 0.1 V or VCC-0.1 V; /IOUT/ <= 20 uA; 55C to 25C 4
Maximum Low-Level Input Voltage VIL 1.35 V VCC = 4.5 V; VOUT = 0.1 V or VCC-0.1 V; /IOUT/ <= 20 uA; 55C to 25C 4
Maximum Low-Level Input Voltage VIL 1.8 V VCC = 6.0 V; VOUT = 0.1 V or VCC-0.1 V; /IOUT/ <= 20 uA; 55C to 25C 4
Minimum High-Level Output Voltage VOH 1.9 V VCC = 2.0 V; VIN = VIH or VIL; /IOUT/ <= 20 uA; 55C to 25C 4
Minimum High-Level Output Voltage VOH 4.4 V VCC = 4.5 V; VIN = VIH or VIL; /IOUT/ <= 20 uA; 55C to 25C 4
Minimum High-Level Output Voltage VOH 5.9 V VCC = 6.0 V; VIN = VIH or VIL; /IOUT/ <= 20 uA; 55C to 25C 4
Minimum High-Level Output Voltage VOH 3.98 V VCC = 4.5 V; VIN = VIH or VIL; /IOUT/ <= 4.0 mA; 55C to 25C 4
Minimum High-Level Output Voltage VOH 5.48 V VCC = 6.0 V; VIN = VIH or VIL; /IOUT/ <= 5.2 mA; 55C to 25C 4
Maximum Low-Level Output Voltage VOL 0.1 V VCC = 2.0 V; VIN = VIH or VIL; /IOUT/ <= 20 uA; 55C to 25C 4
Maximum Low-Level Output Voltage VOL 0.26 V VCC = 4.5 V; VIN = VIH or VIL; /IOUT/ <= 4.0 mA; 55C to 25C 4
Maximum Input Leakage Current IIN 0.1 uA VCC = 6.0 V; VIN = VCC or GND; 55C to 25C 4
Maximum Quiescent Supply Current (per Package) ICC 4 uA VCC = 6.0 V; VIN = VCC or GND; IOUT = 0 A; 55C to 25C 4
Maximum Propagation Delay, Select to Output Y tPLH, tPHL 115 ns VCC = 2.0 V; CL = 50 pF; Input tr = tf = 6.0 ns; 55C to 25C (Figures 1 and 3) 4
Maximum Propagation Delay, Select to Output Y tPLH, tPHL 23 ns VCC = 4.5 V; CL = 50 pF; Input tr = tf = 6.0 ns; 55C to 25C (Figures 1 and 3) 4
Maximum Propagation Delay, Select to Output Y tPLH, tPHL 20 ns VCC = 6.0 V; CL = 50 pF; Input tr = tf = 6.0 ns; 55C to 25C (Figures 1 and 3) 4
Maximum Propagation Delay, Input A to Output Y tPLH, tPHL 115 ns VCC = 2.0 V; CL = 50 pF; Input tr = tf = 6.0 ns; 55C to 25C (Figures 2 and 3) 4
Maximum Propagation Delay, Input A to Output Y tPLH, tPHL 23 ns VCC = 4.5 V; CL = 50 pF; Input tr = tf = 6.0 ns; 55C to 25C (Figures 2 and 3) 4
Maximum Propagation Delay, Input A to Output Y tPLH, tPHL 20 ns VCC = 6.0 V; CL = 50 pF; Input tr = tf = 6.0 ns; 55C to 25C (Figures 2 and 3) 4
Maximum Output Transition Time, Any Output tTLH, tTHL 75 ns VCC = 2.0 V; CL = 50 pF; Input tr = tf = 6.0 ns; 55C to 25C (Figures 1 and 3) 4
Maximum Output Transition Time, Any Output tTLH, tTHL 15 ns VCC = 4.5 V; CL = 50 pF; Input tr = tf = 6.0 ns; 55C to 25C (Figures 1 and 3) 4
Maximum Output Transition Time, Any Output tTLH, tTHL 13 ns VCC = 6.0 V; CL = 50 pF; Input tr = tf = 6.0 ns; 55C to 25C (Figures 1 and 3) 4
Maximum Input Capacitance Cin 10 pF 55C to 25C 4
Power Dissipation Capacitance (Per Decoder) CPD 55 pF Typical at 25C, VCC = 5.0 V; per decoder (Note 8) 4
Thermal Resistance, Junction-to-Ambient, SOIC JA 112 C/W SOIC package 3

CAD (KiCad official)

  • Symbol: MC74HC139ADR2G
  • Footprint: Package_SO:SOIC-16_3.9x9.9mm_P1.27mm
  • 3D model: SOIC-16 (KiCad packages3D, STEP)
  • 3D model files: mc74hc139adr2g-etched.step / mc74hc139adr2g-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mc74hc139adr2g.step / mc74hc139adr2g.glb are the bare package body.

Provenance

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

  • Datasheet: onsemi datasheet (10 pp, sha256 30817e19e8448cad, retrieved 2026-10-21, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-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