Datasheet Summary
SN54HCT574, SN74HCT574
SCLS177G
- MARCH 1984
- REVISED JULY 2022
SNx4HCT574 Octal Edge-Triggered D-Type Flip-Flips With 3-State Outputs
1 Features
- Operating voltage range of 4.5 V to 5.5 V
- High-current 3-state noninverting outputs drive bus lines directly or up to 15 LSTTL loads
- Low power consumption, 80-μA max ICC
- Typical tpd = 22 ns
- ±6-mA output drive at 5 V
- Low input current of 1 μA max
- Inputs are TTL-voltage patible
- Bus-structured pinout
2 Description
These octal edge-triggered D-type flip-flops feature 3-state outputs designed specifically for bus driving. The ’HCT574 devices are particularly suitable for implementing buffer registers, I/O ports, bidirectional...