Productos
The SN74HC138N is a 3-line to 8-line decoder/demultiplexer from Texas Instruments. Designed for high-speed memory decoding and data transmission, it features three enable inputs for cascading, active-low outputs, 15 ns typical propagation delay, and operates from 2V to 6V in a 16-pin PDIP package.
Especificaciones
| Decoder Type | 3-to-8 line |
| Tensión de alimentación | 2V to 6V |
| Propagation Delay (tpd) | 15 ns typical |
| Output Drive | +/-4 mA at 5V |
| ICC (Max) | 80 uA |
| Enable Inputs | 3 (2 active-low, 1 active-high) |
| Paquete | PDIP-16 (19.3 x 6.35 mm) |
| Temperatura de funcionamiento | -40°C to +85°C |
Características
- Active-low outputs for direct memory chip select
- Three enable inputs simplify cascading
- Drives up to 10 LSTTL loads
- Low power consumption: 80 uA max ICC
Aplicaciones
- Memory address decoding
- Data routing and demultiplexing
- LED display decoding
- Chip select generation