component
74HC238N
Public Made by Adomby adom
HGSEMI Signal Switches, Multiplexers, Decoders, DIP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);74hc238n.step/74hc238n.glbare 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, primaryclaude-haiku-5-5(text), consensusclaude-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).
# 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](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603087546511605760) (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](docs/74hc238n-datasheet.pdf)