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74HC238N

Public Made by Adom

by adom

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

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74HC238N

HGSEMI · Signal Switches, Multiplexers, Decoders · DIP-16

74HC238N from HGSEMI, in a DIP-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 Binary-weighted address input A0 (least significant bit) selects which of the eight active-HIGH outputs is enabled.
2 A1 input Binary-weighted address input A1 selects which of the eight active-HIGH outputs is enabled.
3 A2 input Binary-weighted address input A2 (most significant bit) selects which of the eight active-HIGH outputs is enabled.
4 E1 input Active-LOW enable input; all outputs stay LOW unless E1 and E2 are LOW and E3 is HIGH.
5 E2 input Active-LOW enable input; all outputs stay LOW unless E1 and E2 are LOW and E3 is HIGH.
6 E3 input Active-HIGH enable input; all outputs stay LOW unless E1 and E2 are LOW and E3 is HIGH.
7 Y7 output Active-HIGH mutually exclusive decoder output Y7, LOW unless enabled and selected by A0 to A2.
8 GND power_in Ground reference (0 V) for the device.
9 Y6 output Active-HIGH mutually exclusive decoder output Y6, LOW unless enabled and selected by A0 to A2.
10 Y5 output Active-HIGH mutually exclusive decoder output Y5, LOW unless enabled and selected by A0 to A2.
11 Y4 output Active-HIGH mutually exclusive decoder output Y4, LOW unless enabled and selected by A0 to A2.
12 Y3 output Active-HIGH mutually exclusive decoder output Y3, LOW unless enabled and selected by A0 to A2.
13 Y2 output Active-HIGH mutually exclusive decoder output Y2, LOW unless enabled and selected by A0 to A2.
14 Y1 output Active-HIGH mutually exclusive decoder output Y1, LOW unless enabled and selected by A0 to A2.
15 Y0 output Active-HIGH mutually exclusive decoder output Y0, LOW unless enabled and selected by A0 to A2.
16 VCC power_in Positive supply voltage for the device; the text gives no supply range, only the 5 V quick-reference test condition.

Key specifications

Parameter Value
Manufacturer HGSEMI
Package DIP-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
Propagation delay An to Yn, +25 C max tPHL/tPLH 47 150 ns Tamb=+25 °C; VCC=2.0 V; GND=0 V; tr=tf=6 ns; CL=50 pF; Fig.6 5
Propagation delay An to Yn, -40 to +85 C max tPHL/tPLH 190 ns Tamb=-40 to +85 °C; VCC=2.0 V; GND=0 V; tr=tf=6 ns; CL=50 pF; Fig.6 5
Propagation delay An to Yn, -40 to +125 C max tPHL/tPLH 225 ns Tamb=-40 to +125 °C; VCC=2.0 V; GND=0 V; tr=tf=6 ns; CL=50 pF; Fig.6 5
Propagation delay An to Yn, +25 C max tPHL/tPLH 17 30 ns Tamb=+25 °C; VCC=4.5 V; GND=0 V; tr=tf=6 ns; CL=50 pF; Fig.6 5
Propagation delay An to Yn, -40 to +85 C max tPHL/tPLH 38 ns Tamb=-40 to +85 °C; VCC=4.5 V; GND=0 V; tr=tf=6 ns; CL=50 pF; Fig.6 5
Propagation delay An to Yn, -40 to +125 C max tPHL/tPLH 45 ns Tamb=-40 to +125 °C; VCC=4.5 V; GND=0 V; tr=tf=6 ns; CL=50 pF; Fig.6 5
Propagation delay An to Yn, +25 C max tPHL/tPLH 14 26 ns Tamb=+25 °C; VCC=6.0 V; GND=0 V; tr=tf=6 ns; CL=50 pF; Fig.6 5
Propagation delay An to Yn, -40 to +85 C max tPHL/tPLH 33 ns Tamb=-40 to +85 °C; VCC=6.0 V; GND=0 V; tr=tf=6 ns; CL=50 pF; Fig.6 5
Propagation delay An to Yn, -40 to +125 C max tPHL/tPLH 38 ns Tamb=-40 to +125 °C; VCC=6.0 V; GND=0 V; tr=tf=6 ns; CL=50 pF; Fig.6 5
Propagation delay E3 to Yn, +25 C max tPHL/tPLH 52 160 ns Tamb=+25 °C; VCC=2.0 V; GND=0 V; tr=tf=6 ns; CL=50 pF; Fig.6 5
Propagation delay E3 to Yn, -40 to +85 C max tPHL/tPLH 200 ns Tamb=-40 to +85 °C; VCC=2.0 V; GND=0 V; tr=tf=6 ns; CL=50 pF; Fig.6 5
Propagation delay E3 to Yn, -40 to +125 C max tPHL/tPLH 240 ns Tamb=-40 to +125 °C; VCC=2.0 V; GND=0 V; tr=tf=6 ns; CL=50 pF; Fig.6 5
Propagation delay E3 to Yn, +25 C max tPHL/tPLH 19 32 ns Tamb=+25 °C; VCC=4.5 V; GND=0 V; tr=tf=6 ns; CL=50 pF; Fig.6 5
Propagation delay E3 to Yn, -40 to +85 C max tPHL/tPLH 40 ns Tamb=-40 to +85 °C; VCC=4.5 V; GND=0 V; tr=tf=6 ns; CL=50 pF; Fig.6 5
Propagation delay E3 to Yn, -40 to +125 C max tPHL/tPLH 48 ns Tamb=-40 to +125 °C; VCC=4.5 V; GND=0 V; tr=tf=6 ns; CL=50 pF; Fig.6 5
Propagation delay E3 to Yn, +25 C max tPHL/tPLH 15 27 ns Tamb=+25 °C; VCC=6.0 V; GND=0 V; tr=tf=6 ns; CL=50 pF; Fig.6 5
Propagation delay E3 to Yn, -40 to +85 C max tPHL/tPLH 34 ns Tamb=-40 to +85 °C; VCC=6.0 V; GND=0 V; tr=tf=6 ns; CL=50 pF; Fig.6 5
Propagation delay E3 to Yn, -40 to +125 C max tPHL/tPLH 41 ns Tamb=-40 to +125 °C; VCC=6.0 V; GND=0 V; tr=tf=6 ns; CL=50 pF; Fig.6 5
Propagation delay En to Yn, +25 C max tPHL/tPLH 50 155 ns Tamb=+25 °C; VCC=2.0 V; GND=0 V; tr=tf=6 ns; CL=50 pF; Fig.7 5
Propagation delay En to Yn, -40 to +85 C max tPHL/tPLH 195 ns Tamb=-40 to +85 °C; VCC=2.0 V; GND=0 V; tr=tf=6 ns; CL=50 pF; Fig.7 5
Propagation delay En to Yn, -40 to +125 C max tPHL/tPLH 235 ns Tamb=-40 to +125 °C; VCC=2.0 V; GND=0 V; tr=tf=6 ns; CL=50 pF; Fig.7 5
Propagation delay En to Yn, +25 C max tPHL/tPLH 18 31 ns Tamb=+25 °C; VCC=4.5 V; GND=0 V; tr=tf=6 ns; CL=50 pF; Fig.7 5
Propagation delay En to Yn, -40 to +85 C max tPHL/tPLH 39 ns Tamb=-40 to +85 °C; VCC=4.5 V; GND=0 V; tr=tf=6 ns; CL=50 pF; Fig.7 5
Propagation delay En to Yn, -40 to +125 C max tPHL/tPLH 47 ns Tamb=-40 to +125 °C; VCC=4.5 V; GND=0 V; tr=tf=6 ns; CL=50 pF; Fig.7 5
Propagation delay En to Yn, +25 C max tPHL/tPLH 14 26 ns Tamb=+25 °C; VCC=6.0 V; GND=0 V; tr=tf=6 ns; CL=50 pF; Fig.7 5
Propagation delay En to Yn, -40 to +85 C max tPHL/tPLH 33 ns Tamb=-40 to +85 °C; VCC=6.0 V; GND=0 V; tr=tf=6 ns; CL=50 pF; Fig.7 5
Propagation delay En to Yn, -40 to +125 C max tPHL/tPLH 40 ns Tamb=-40 to +125 °C; VCC=6.0 V; GND=0 V; tr=tf=6 ns; CL=50 pF; Fig.7 5
Output transition time, +25 C max tTHL/tTLH 19 75 ns Tamb=+25 °C; VCC=2.0 V; GND=0 V; tr=tf=6 ns; CL=50 pF; Figs 6 and 7 5
Output transition time, -40 to +85 C max tTHL/tTLH 95 ns Tamb=-40 to +85 °C; VCC=2.0 V; GND=0 V; tr=tf=6 ns; CL=50 pF; Figs 6 and 7 5
Output transition time, -40 to +125 C max tTHL/tTLH 110 ns Tamb=-40 to +125 °C; VCC=2.0 V; GND=0 V; tr=tf=6 ns; CL=50 pF; Figs 6 and 7 5
Output transition time, +25 C max tTHL/tTLH 7 15 ns Tamb=+25 °C; VCC=4.5 V; GND=0 V; tr=tf=6 ns; CL=50 pF; Figs 6 and 7 5
Output transition time, -40 to +85 C max tTHL/tTLH 19 ns Tamb=-40 to +85 °C; VCC=4.5 V; GND=0 V; tr=tf=6 ns; CL=50 pF; Figs 6 and 7 5
Output transition time, -40 to +125 C max tTHL/tTLH 22 ns Tamb=-40 to +125 °C; VCC=4.5 V; GND=0 V; tr=tf=6 ns; CL=50 pF; Figs 6 and 7 5
Output transition time, +25 C max tTHL/tTLH 6 13 ns Tamb=+25 °C; VCC=6.0 V; GND=0 V; tr=tf=6 ns; CL=50 pF; Figs 6 and 7 5
Output transition time, -40 to +85 C max tTHL/tTLH 16 ns Tamb=-40 to +85 °C; VCC=6.0 V; GND=0 V; tr=tf=6 ns; CL=50 pF; Figs 6 and 7 5
Output transition time, -40 to +125 C max tTHL/tTLH 19 ns Tamb=-40 to +125 °C; VCC=6.0 V; GND=0 V; tr=tf=6 ns; CL=50 pF; Figs 6 and 7 5

CAD (KiCad official)

  • Symbol: 74HC238N
  • Footprint: Package_DIP:DIP-16_W7.62mm
  • 3D model: DIP-16 (KiCad packages3D, STEP)
  • 3D model files: 74hc238n-etched.step / 74hc238n-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 74hc238n.step / 74hc238n.glb are the bare package body.

Provenance

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

  • Datasheet: HGSEMI datasheet (8 pp, sha256 37355165fa2536ca, retrieved 2026-10-14, tier: lcsc)
  • 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