SN74HC259DG4

8位可寻址锁存器 8-BIT ADDRESSABLE LATCHES

description/ordering information

These 8-bit addressable latches are designed for general-purpose storage applications in digital systems. Specific uses include working registers, serial-holding registers, and active-high decoders or demultiplexers. They are multifunctional devices capable of storing single-line data in eight addressable latches and being a 1-of-8 decoder or demultiplexer with active-high outputs.

• Wide Operating Voltage Range of 2 V to 6 V

• High-Current Inverting Outputs Drive Up To 10 LSTTL Loads

• Low Power Consumption, 80-µA Max ICC

• Typical tpd = 14 ns

• ±4-mA Output Drive at 5 V

• Low Input Current of 1 µA Max

• 8-Bit Parallel-Out Storage Register Performs Serial-to-Parallel Conversion With Storage

• Asynchronous Parallel Clear

• Active-High Decoder

• Enable Input Simplifies Expansion

• Expandable for n-Bit Applications

• Four Distinct Functional Modes