CD54HC4520 Overview
The CD74HC4518 is a dual BCD up-counter. The ’HC4520 and CD74HCT4520 are dual binary up-counters. Each device consists of two independent internally synchronous 4-stage counters.
CD54HC4520 Key Features
- Positive or Negative Edge Triggering
- Synchronous Internal Carry Propagation
- 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
- Significant Power Reduction pared to LSTTL Logic ICs