SN74HC20DR Integrated Circuit Chip , Dual 4 input NAND gate IC Electronic Components
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74HC20D Integrated Circuit Chip , Dual 4 input NAND gate IC Electronic Components
Dual 4-input NAND gate 74HC/HCT20
FEATURES • Output capability: standard • ICC category: SSI
GENERAL DESCRIPTION The 74HC/HCT20 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/HCT20 provide the 4-input NAND function.
QUICK REFERENCE DATA GND = 0 V; Tamb = 25 °C; tr = tf = 6 ns
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 frequency in MHz CL = output load capacitance in pF VCC = supply voltage in V ∑ (CL × VCC2 × fo) = sum of outputs 2. For HC the condition is VI = GND to VCC For HCT the condition is VI = GND to VCC − 1.5 V
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