74HC20D Integrated Circuit Chip , Dual 4 input NAND gate IC Electronic Components

74HC20D Integrated Circuit Chip , Dual 4 input NAND gate IC Electronic Components

Dual 4-input NAND gate 74HC/HCT20

FEATURES

• Output capability: standard

• I_CC 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; T_amb = 25 °C; t_r = t_f = 6 ns

Notes

1. C_PD is used to determine the dynamic power dissipation (P_D in µW):

P_D = C_PD × V_CC² × f_i + ∑ (C_L × V_CC² × f_o) where:

f_i = input frequency in MHz

f_o = output frequency in MHz

C_L = output load capacitance in pF

V_CC = supply voltage in V

∑ (C_L × V_CC² × f_o) = sum of outputs

2. For HC the condition is V_I = GND to V_CC

For HCT the condition is V_I = GND to V_CC − 1.5 V

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