The 74HC21D is a high-speed CMOS 4-INPUT AND GATE fabricated with silicon gate C
2MOS technology. It achieves a high-speed operation similar to equivalent LSTTL while maintaining the CMOS low power dissipation. The internal circuit is composed of 4 stages including buffer and output, which provide high noise immunity and stable output. All inputs are equipped with protection circuits against static discharge or transient excess voltage.
Features:-
(1) Wide operating temperature range: Topr = -40 to 125°C (Note 1)
(2) High speed: tpd = 10 ns (typ.) at VCC = 5 V
(3) Low power dissipation: ICC = 1.0 µA (max) at Ta = 25°C
(4) Balanced propagation delays: tPLH ≈ tPHL
(5) Wide operating voltage range: VCC(opr) = 2.0 to 6.0 V
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