D74HC138C Description
The Harris CD74HC138, CD74HC238 and CD74HCT138, CD74HCT238 are high speed silicon gate CMOS decoders well suited to memory address decoding or data routing applications.
D74HC138C Key Features
- Select One Of Eight Data Outputs Active Low for 138, Active High for 238
- l/O Port or Memory Selector (CD74
- Three Enable Inputs to Simplify Cascading HC138
- Typical Propagation Delay of 13ns at VCC = 5V, , CL = 15pF, TA = 25oC .. CD74
- Fanout (Over Temperature Range) HCT13
- Standard Outputs
- 10 LSTTL Loads 8
- Bus Driver Outputs
- 15 LSTTL Loads CD74
- Wide Operating Temperature Range . . . -55oC to 125oC HC238