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.