CMOS Digital Integrated Circuits Silicon Monolithic
1. Functional Description
• 8-Channel Multiplexer
The 74HC151D is a high speed CMOS 8-CHANNEL MULTIPLEXER fabricated with silicon gate C2MOS
It achieves the high speed operation similar to equivalent LSTTL while maintaining the CMOS low power
One of eight date input signals (D0-D7) is selected by decoding of the three-bit address input (A, B, C). The
selected data appears on two outputs: non-inverting (Y) and inverting (W).
The strobe input provides two output conditions; a low level on the strobe input transfers the selected data to
the outputs. A high level on the strobe input sets the Y output low and the W output high without regard to the
data or select input conditions.
All inputs are equipped with protection circuits against static discharge or transient excess voltage.
(1) High speed: tpd = 15 ns (typ.) at VCC = 5 V
(2) Low power dissipation: ICC = 4.0 µA (max) at Ta = 25
(3) Balanced propagation delays: tPLH ≈ tPHL
(4) Wide operating voltage range: VCC(opr) = 2.0 to 6.0 V
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