Datasheet Summary
Data sheet acquired from Harris Semiconductor SCHS171D
November 1997
- Revised October 2003
CD54HC257, CD74HC257, CD54HCT257, CD74HCT257
High-Speed CMOS Logic Quad 2-Input Multiplexer with Three-State Non-Inverting Outputs
[ /Title (CD74 HC257 , CD74 HCT25 7) /Subject (High Speed CMOS Logic Quad 2-Input Multiplexer
Features
- Buffered Inputs
- Typical Propagation Delay ( In to Output ) = 12ns at VCC = 5V, CL = 15pF, TA = 25oC
- Fanout (Over Temperature Range)
- Standard Outputs
- -
- 10 LSTTL Loads
- Bus Driver Outputs
- - . . . 15 LSTTL Loads
- Wide Operating Temperature Range . . . -55oC to 125oC
- Balanced Propagation Delay and Transition Times
-...