CD54HC243
Features
Description
- Typical Propagation Delay (A to B, B to A) of 7ns at VCC = 5V, CL = 15p F, TA = 25o C
- Three-State Outputs
- Buffered Inputs
- Fanout (Over Temperature Range)
- Standard Outputs
- -
- 10 LSTTL Loads
- Bus Driver Outputs
- - . . . 15 LSTTL Loads
- Wide Operating Temperature Range . . . -55o C to 125o C
- Balanced Propagation Delay and Transition Times
- Significant Power Reduction pared to LSTTL Logic ICs
- HC Types
- 2V to 6V Operation
- High Noise Immunity: NIL = 30%, NIH = 30% of VCC at VCC = 5V
- HCT Types
- 4.5V to 5.5V Operation
- Direct LSTTL Input Logic patibility, VIL= 0.8V (Max), VIH = 2V (Min)
- CMOS Input patibility, Il ≤ 1µA at VOL, VOH
The ’HC243 and ’HCT243 silicon-gate CMOS three-state bidirectional noninverting buffers are intended for two-way asynchronous munication between data buses. They have high-drive-current outputs that enable high-speed operation when driving large bus capacitances. These circuits...
