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74HCT21 - Dual 4-input AND gate

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74HCT21 Product details

Description

74HC/HCT21 The 74HC/HCT21 are high-speed Si-gate CMOS devices and are pin compatible with low power Schottky TTL (LSTTL).They are specified in compliance with JEDEC standard no.7A.The 74HC/HCT21 provide the 4-input AND function.QUICK REFERENCE DATA GND = 0 V; Tamb = 25 °C; tr = tf = 6 ns TYPICAL SYMBOL tPHL/ tPLH CI CPD Notes 1. CPD is used to determine the dynamic power dissipation (PD in µW): PD = CPD × VCC2 × fi + ∑ (CL × VCC2 × fO) where: fi = input frequency in MHz fo = output freque

Features

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