74HC238 3-to-8 Line Decoder / Demultiplexer
High-speed 3-to-8 line decoder/demultiplexer with active-high outputs (complement of 74HC138) and three enable inputs (two active-low and one active-high).
Aliase:SN74HC238N, 74238, 74HCT238, 3 to 8 Decoder
DIP-16 / SOIC-16 Top View
16 Pins
Pin-Tabelle16
| Pin | Signal / Name | Typ | Alternative Funktionen |
|---|---|---|---|
| 1 | A | Digital | Address Select Input A (LSB) |
| 2 | B | Digital | Address Select Input B |
| 3 | C | Digital | Address Select Input C (MSB) |
| 4 | ~G2A | Digital | Enable Input 2A (Active Low — must be LOW to enable outputs) |
| 5 | ~G2B | Digital | Enable Input 2B (Active Low — must be LOW to enable outputs) |
| 6 | G1 | Digital | Enable Input 1 (Active High — must be HIGH to enable outputs) |
| 7 | Y7 | Digital | Decoded Output Y7 (Active High) |
| 8 | GND | Ground | Ground (0V) |
| 9 | Y6 | Digital | Decoded Output Y6 (Active High) |
| 10 | Y5 | Digital | Decoded Output Y5 (Active High) |
| 11 | Y4 | Digital | Decoded Output Y4 (Active High) |
| 12 | Y3 | Digital | Decoded Output Y3 (Active High) |
| 13 | Y2 | Digital | Decoded Output Y2 (Active High) |
| 14 | Y1 | Digital | Decoded Output Y1 (Active High) |
| 15 | Y0 | Digital | Decoded Output Y0 (Active High) |
| 16 | VCC | Power | Supply Voltage (2.0V to 6.0V DC) |