CD74HC147PWT Datasheet PDF - TI

Description

●The ’HC147 and CD74HCT147 are high speed silicon-gate CMOS devices and are pin-compatible with low power Schottky TTL (LSTTL).

●Features

●• Buffered Inputs and Outputs

●• Typical Propagation Delay: 13ns at VCC= 5V,CL= 15pF, TA= 25°C

●• Fanout (Over Temperature Range)

●\- Standard Outputs . . . . . . . . . . . . . . . 10 LSTTL Loads

●\- Bus Driver Outputs . . . . . . . . . . . . . 15 LSTTL Loads

●• Wide Operating Temperature Range . . . -55°C to 125°C

●• Balanced Propagation Delay and Transition Times

●• Significant Power Reduction Compared 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 Compatibility, VIL= 0.8V (Max), VIH = 2V (Min)

●\- CMOS Input Compatibility, Il ≤1µA at VOL, VOH