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ST Microelectronics |
M74HC02
QUAD 2-INPUT NOR GATE
s HIGH SPEED:
tPD = 8ns (TYP.) at VCC = 6V
s LOW POWER DISSIPATION:
ICC = 1µA(MAX.) at TA=25°C
s HIGH NOISE IMMUNITY:
VNIH = VNIL = 28 % VCC (MIN.)
s SYMMETRICAL OUTPUT IMPEDANCE:
|IOH| = IOL = 4mA (MIN)
s BALANCED PROPAGATION DELAYS:
tPLH ≅ tPHL
s WIDE OPERATING VOLTAGE RANGE:
VCC (OPR) = 2V to 6V
s PIN AND FUNCTION COMPATIBLE WITH
74 SERIES 02
DESCRIPTION
The M74HC02 is an high speed CMOS QUAD
2-INPUT NOR GATE fabricated with silicon gate
C2MOS technology.
The internal circuit is composed of 3 stages
including buffer output, which enables high noise
immunity and stable output.
DIP
SOP
TSSOP
ORDER CODES
PACKAGE
TUBE
DIP
SOP
TSSOP
M74HC02B1R
M74HC02M1R
T&R
M74HC02RM13TR
M74HC02TTR
All inputs are equipped with protection circuits
against static discharge and transient excess
voltage.
PIN CONNECTION AND IEC LOGIC SYMBOLS
July 2001
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M74HC02
INPUT AND OUTPUT EQUIVALENT CIRCUIT
PIN DESCRIPTION
PIN No
2, 5, 8, 11
3, 6, 9, 12
1, 4, 10, 13
7
14
SYMBOL
1A to 4A
1B to 4B
1Y to 4Y
GND
VCC
NAME AND FUNCTION
Data Inputs
Data Inputs
Data Outputs
Ground (0V)
Positive Supply Voltage
TRUTH TABLE
A
L
L
H
H
B
L
H
L
H
Y
H
L
L
L
ABSOLUTE MAXIMUM RATINGS
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
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
Symbol
VCC
VI
VO
Top
tr, tf
Supply Voltage
Input Voltage
Output Voltage
Operating Temperature
Input Rise and Fall Time
Parameter
VCC = 2.0V
VCC = 4.5V
VCC = 6.0V
Value
2 to 6
0 to VCC
0 to VCC
-55 to 125
0 to 1000
0 to 500
0 to 400
Unit
V
V
V
°C
ns
ns
ns
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