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
