SN74HC251DBR

具有三态输出的数据选择器/多路复用器

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1 Features

• 3-state version of ’HC151

• Wide operating voltage range of 2 V to 6 V

• High-current 3-state outputs interface directly with system bus or can drive up to 15 LSTTL loads

• Low power consumption, 80-μA max ICC

• Typical tpd = 9 ns

• ±6-mA output drive at 5 V

• Low input current of 1 μA max

• Perform parallel-to-serial conversion

• Complementary outputs provide true and inverted data

2 Description

The SNx4HC251 is a data selector/multiplexer containing full binary decoding to select 1 of-8 data sources and features strobe-controlled complementary 3-state outputs.