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M74HC20 数据表(PDF) 2 Page - STMicroelectronics

部件名 M74HC20
功能描述  DUAL 4-INPUT NAND GATE
Download  8 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

M74HC20 数据表(HTML) 2 Page - STMicroelectronics

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M74HC20
2/8
INPUT AND OUTPUT EQUIVALENT CIRCUIT
PIN DESCRIPTION
TRUTH TABLE
ABSOLUTE MAXIMUM RATINGS
Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these conditions is
not implied
(*) 500mW at 65
°C; derate to 300mW by 10mW/°C from 65°C to 85°C
RECOMMENDED OPERATING CONDITIONS
PIN No
SYMBOL
NAME AND FUNCTION
1, 9
1A to 2A
Data Inputs
2, 10
1B to 2B
Data Inputs
3, 11
N.C.
Not Connected
4, 12
1C to 2C
Data Inputs
5, 13
1D to 2D
Data Inputs
6, 8
1Y to 2Y
Data Outputs
7
GND
Ground (0V)
14
VCC
Positive Supply Voltage
A
BCD
Y
L
XXX
H
XL
X
X
H
X
XLX
H
XX
X
L
H
H
HHH
L
Symbol
Parameter
Value
Unit
VCC
Supply Voltage
-0.5 to +7
V
VI
DC Input Voltage
-0.5 to VCC + 0.5
V
VO
DC Output Voltage
-0.5 to VCC + 0.5
V
IIK
DC Input Diode Current
± 20
mA
IOK
DC Output Diode Current
± 20
mA
IO
DC Output Current
± 25
mA
ICC or IGND DC VCC or Ground Current
± 50
mA
PD
Power Dissipation
500(*)
mW
Tstg
Storage Temperature
-65 to +150
°C
TL
Lead Temperature (10 sec)
300
°C
Symbol
Parameter
Value
Unit
VCC
Supply Voltage
2 to 6
V
VI
Input Voltage
0 to VCC
V
VO
Output Voltage
0 to VCC
V
Top
Operating Temperature
-55 to 125
°C
tr, tf
Input Rise and Fall Time
VCC = 2.0V
0 to 1000
ns
VCC = 4.5V
0 to 500
ns
VCC = 6.0V
0 to 400
ns


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