74ALS573B/74ALS574A is an octal transparent latch/flip-flop chip with 3-State output, produced by Philips.
This document is a product specification data handbook for the Philips 74ALS573B and 74ALS574A integrated circuits, published in February 1991. The 74ALS573B is an octal transparent latch with 3-State outputs, while the 74ALS574A is an octal D flip-flop with 3-State outputs. Both devices feature a broadside pinout configuration designed to facilitate easy interface with microprocessors and PC board layout.
| Operating Temperature Range | 0°C to +70°C |
|---|---|
| Supply Voltage | 4.5V to 5.5V |
It is an octal transparent latch coupled to eight 3-State output devices.
The 74ALS574A is an octal D flip-flop, whereas the 74ALS573B is a transparent latch.