SN74HCT573NSR

具有三态输出的八路透明 D 型锁存器

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1 Features

• Operating voltage range of 4.5V to 5.5V

• High-Current 3-State Outputs Drive Bus Lines Directly or Up To 15 LSTTL Loads

• Low power consumption, 80-µA max ICC

• Typical tpd = 21ns

• ±6-mA output drive at 5V

• Low input current of 1µA max

• Inputs are TTL-Voltage compatible

• Bus-structured pinout

2 Description

These octal transparent D-type latches feature 3-state outputs designed specifically for driving highly capacitive or relatively low-impedance loads. The ’HCT573 devices are particularly suitable for implementing buffer registers, I/O ports, bidirectional bus drivers, and working registers.