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74HC20 PDF даташит

Спецификация 74HC20 изготовлена ​​​​«Philips» и имеет функцию, называемую «Dual 4-input NAND gate».

Детали детали

Номер произв 74HC20
Описание Dual 4-input NAND gate
Производители Philips
логотип Philips логотип 

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74HC20 Даташит, Описание, Даташиты
INTEGRATED CIRCUITS
DATA SHEET
For a complete data sheet, please also download:
The IC06 74HC/HCT/HCU/HCMOS Logic Family Specifications
The IC06 74HC/HCT/HCU/HCMOS Logic Package Information
The IC06 74HC/HCT/HCU/HCMOS Logic Package Outlines
74HC/HCT20
Dual 4-input NAND gate
Product specification
File under Integrated Circuits, IC06
December 1990









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74HC20 Даташит, Описание, Даташиты
Philips Semiconductors
Dual 4-input NAND gate
Product specification
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
SYMBOL
PARAMETER
CONDITIONS
tPHL/ tPLH
CI
CPD
propagation delay nA, nB, nC, nD to nY
input capacitance
power dissipation capacitance per package
CL = 15 pF; VCC = 5 V
notes 1 and 2
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
ORDERING INFORMATION
See “74HC/HCT/HCU/HCMOS Logic Package Information”.
TYPICAL
HC
8
3.5
22
HCT
13
3.5
17
UNIT
ns
pF
pF
December 1990
2









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74HC20 Даташит, Описание, Даташиты
Philips Semiconductors
Dual 4-input NAND gate
PIN DESCRIPTION
PIN NO.
1, 9
2, 10
3, 11
4, 12
5, 13
6, 8
7
14
SYMBOL
1A, 2A
1B, 2B
n.c.
1C, 2C
1D, 2D
1Y, 2Y
GND
VCC
NAME AND FUNCTION
data inputs
data inputs
not connected
data inputs
data inputs
data outputs
ground (0 V)
positive supply voltage
Product specification
74HC/HCT20
Fig.1 Pin configuration.
Fig.2 Logic symbol.
Fig.3 IEC logic symbol.
December 1990
3










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