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74AHC138T16-13

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Diodes Incorporated Signal Switches / Encoders & Decoders / Multiplexers, TSSOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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Contents

README

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74AHC138T16-13

Diodes Incorporated · Signal Switches / Encoders & Decoders / Multiplexers · TSSOP-16

74AHC138T16-13 from Diodes Incorporated, in a TSSOP-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 A0 input Address input A0 is one bit of the three-bit binary weighted address and has Schmitt trigger action and accepts up to 5.5 V.
2 A1 input Address input A1 is one bit of the three-bit binary weighted address and has Schmitt trigger action and accepts up to 5.5 V.
3 A2 input Address input A2 is one bit of the three-bit binary weighted address and has Schmitt trigger action and accepts up to 5.5 V.
4 E1 input Active LOW enable input 1; the enable state requires E1 and E2 asserted low together with E3 asserted high.
5 E2 input Active LOW enable input 2; the enable state requires E1 and E2 asserted low together with E3 asserted high.
6 E3 input Active HIGH enable input 3; the enable state requires E3 asserted high together with E1 and E2 asserted low.
7 Y7 output Active LOW output 7; all outputs are high when the device is disabled.
8 GND power_in Ground reference pin for the device.
9 Y6 output Active LOW output 6; all outputs are high when the device is disabled.
10 Y5 output Active LOW output 5; all outputs are high when the device is disabled.
11 Y4 output Active LOW output 4; all outputs are high when the device is disabled.
12 Y3 output Active LOW output 3; all outputs are high when the device is disabled.
13 Y2 output Active LOW output 2; all outputs are high when the device is disabled.
14 Y1 output Active LOW output 1; all outputs are high when the device is disabled.
15 Y0 output Active LOW output 0; all outputs are high when the device is disabled.
16 Vcc power_in Supply voltage pin; the recommended supply range is 2.0 V to 5.5 V.

Key specifications

Parameter Value
Manufacturer Diodes Incorporated
Package TSSOP-16
Category Logic ICs
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
Human Body Model ESD Protection ESD HBM 2 KV 4
Charged Device Model ESD Protection ESD CDM 1 KV 4
Machine Model ESD Protection ESD MM 200 V 4
Supply Voltage Range VCC -0.5 7 V 4
Input Voltage Range VI -0.5 7 V 4
Voltage applied to output in high or low state Vo -0.3 V Upper limit VCC +0.5 V 4
Input Clamp Current IIK -20 mA VI < -0.5V 4
Output Clamp Current IOK -20 mA VO < -0.5V 4
Output Clamp Current IOK 20 mA VO > VCC +0.5 V 4
Continuous output current IO -25 25 mA 4
Continuous current through VCC ICC 75 mA 4
Continuous current through GND IGND -75 mA 4
Operating Junction Temperature TJ -40 150 °C 4
Storage Temperature TSTG -65 150 °C 4
Total Power Dissipation PTOT 500 mW 4
Supply Voltage VCC 2 5.5 V 4
Input Voltage VI 0 5.5 V 4
Output Voltage VO 0 V Active mode; upper limit VCC 4
Input transition rise or fall rate t/V 100 ns/V VCC = 3.0 V ± 0.3 V 4
Input transition rise or fall rate t/V 20 ns/V VCC = 5.0 V ± 0.5 V 4
Operating free-air temperature TA -40 125 °C 4
High-level Input Voltage VIH 1.5 V VCC = 2.0V; TA = +25°C 5
High-level Input Voltage VIH 2.1 V VCC = 3.0V; TA = +25°C 5
High-level Input Voltage VIH 3.85 V VCC = 5.5V; TA = +25°C 5
Low-level input voltage VIL 0.5 V VCC = 2.0V; TA = +25°C 5
Low-level input voltage VIL 0.9 V VCC = 3.0V; TA = +25°C 5
Low-level input voltage VIL 1.65 V VCC = 5.5V; TA = +25°C 5
High Level Output Voltage VOH 1.9 2 V IOH = -50 μA; VCC = 2.0V; TA = +25°C 5
High Level Output Voltage VOH 2.9 3 V IOH = -50 μA; VCC = 3.0V; TA = +25°C 5
High Level Output Voltage VOH 4.4 4.5 V IOH = -50 μA; VCC = 4.5V; TA = +25°C 5
High Level Output Voltage VOH 2.58 V IOH = -4 mA; VCC = 3.0V; TA = +25°C 5
High Level Output Voltage VOH 3.94 V IOH = -8 mA; VCC = 4.5V; TA = +25°C 5
Low-level Output Voltage VOL 0.1 V IOL = 50 μA; VCC = 2.0V; TA = +25°C 5
Low-level Output Voltage VOL 0.36 V IOL = 4 mA; VCC = 3.0V; TA = +25°C 5
Input Current II 0.1 μA VI = GND or 5.5 V; VCC = 5.5V; TA = +25°C 5
Supply Current ICC 4 40 μA VI = GND or VCC; IO = 0 A; VCC = 5.5V; TA = +25°C 5
Input Capacitance Ci 4 10 pF Vi = VCC or GND; VCC = 5.5V; TA = +25°C 5
High Level Output Voltage VOH 3.7 V IOH = -8 mA; VCC = 4.5V; TA = -40°C to +125°C 5
High Level Output Voltage VOH 2.4 V IOH = -4 mA; VCC = 3.0V; TA = -40°C to +125°C 5
Low-level Output Voltage VOL 0.55 V IOL = 4 mA; VCC = 3.0V; TA = -40°C to +125°C 5
Input Current II -2 2 μA VI = GND or 5.5 V; VCC = 5.5V; TA = -40°C to +125°C 5
Supply Current ICC 80 μA VI = GND or VCC; IO = 0 A; VCC = 5.5V; TA = -40°C to +125°C 5
Propagation Delay An to Yn tPD 0.5 4.4 8 ns Figure 2; CL = 15 pF; VCC = 3.0 V to 3.6V; TA = +25°C 5
Propagation Delay An to Yn tPD 0.5 3 5.5 ns Figure 2; CL = 15 pF; VCC = 4.5 V to 5.5 V; TA = +25°C 5
Propagation Delay An to Yn tPD 0.5 6.2 11.5 ns Figure 2; CL = 50 pF; VCC = 3.0 V to 3.6V; TA = +25°C 5
Propagation Delay An to Yn tPD 0.5 4.3 7.5 ns Figure 2; CL = 50 pF; VCC = 4.5 V to 5.5 V; TA = +25°C 5
Propagation Delay E3 to Yn tPD 0.5 4.7 8 ns Figure 2; CL = 15 pF; VCC = 3.0 V to 3.6V; TA = +25°C 5
Propagation Delay E3 to Yn tPD 0.5 3.3 5.1 ns Figure 2; CL = 15 pF; VCC = 4.5 V to 5.5 V; TA = +25°C 5
Propagation Delay E3 to Yn tPD 0.5 6.8 11.5 ns Figure 2; CL = 50 pF; VCC = 3.0 V to 3.6V; TA = +25°C 5
Propagation Delay E3 to Yn tPD 0.5 4.7 7.1 ns Figure 2; CL = 50 pF; VCC = 4.5 V to 5.5 V; TA = +25°C 5
Propagation Delay En to Yn tPD 0.5 6.7 9.7 ns Figure 2; CL = 15 pF; VCC = 3.0 V to 3.6V; TA = +25°C 5
Propagation Delay En to Yn tPD 0.5 4.8 6.8 ns Figure 2; CL = 15 pF; VCC = 4.5 V to 5.5 V; TA = +25°C 5
Propagation Delay En to Yn tPD 0.5 9.6 13.2 ns Figure 2; CL = 50 pF; VCC = 3.0 V to 3.6V; TA = +25°C 5
Propagation Delay En to Yn tPD 0.5 6.8 8.8 ns Figure 2; CL = 50 pF; VCC = 4.5 V to 5.5 V; TA = +25°C 5

CAD (KiCad official)

  • Symbol: 74AHC138T16-13
  • Footprint: Package_SO:TSSOP-16_4.4x5mm_P0.65mm
  • 3D model: TSSOP-16 (KiCad packages3D, STEP)
  • 3D model files: 74ahc138t16-13-etched.step / 74ahc138t16-13-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 74ahc138t16-13.step / 74ahc138t16-13.glb are the bare package body.

Provenance

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

  • Datasheet: Diodes Incorporated datasheet (10 pp, sha256 c4fa6989a7fd5b47, retrieved 2026-10-27, 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