This datasheet introduces the working principle of MC74AC259/74ACT259 8-bit addressable latch, which is a high-speed latch for general purpose storage applications in digital systems
The Motorola MC74AC259/MC74ACT259 is a high-speed 8-bit addressable latch designed for general purpose storage applications in digital systems. It functions as a multifunctional device capable of storing single line data in eight addressable latches, acting as a 1-of-8 decoder, and serving as a demultiplexer with active HIGH outputs. The device also incorporates an active LOW Common Clear for resetting all latches and an active LOW Enable.
| Storage Temperature | -65 to +150 °C |
|---|---|
| Operating Ambient Temperature | -40 to +85 °C |
| Supply Voltage (ACT) | 4.5 to 5.5 V |
| Input Capacitance | 45 pF |
The minimum setup time for the Enable input is 2.0 ns.
The maximum DC supply voltage referenced to ground is +7.0 V.
The recommended operating ambient temperature range is -40 °C to 85 °C.