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Partno Mfg Dc Qty AvailableDescript
M74HC02B1RSTN/a14avaiQUAD 2-INPUT NOR GATE
M74HC02M1RSTMicroelectronicsN/a1000avaiQUAD 2-INPUT NOR GATE
M74HC02RM13TR ST N/a32500avaiQUAD 2-INPUT NOR GATE


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M74HC02B1R-M74HC02M1R-M74HC02RM13TR
QUAD 2-INPUT NOR GATE
1/8July 2001 HIGH SPEED:
tPD = 8ns (TYP .) at VCC = 6V LOW POWER DISSIPATION:CC = 1μA(MAX.) at TA =25°C HIGH NOISE IMMUNITY:NIH = VNIL = 28 % VCC (MIN.) SYMMETRICAL OUTPUT IMPEDANCE:
|IOH| = IOL = 4mA (MIN) BALANCED PROPAGATION DELAYS:
tPLH ≅ tPHL WIDE OPERATING VOLTAGE RANGE:CC (OPR) = 2V to 6V PIN AND FUNCTION COMPATIBLE WITH
74 SERIES 02
DESCRIPTION

The M74HC02 is an high speed CMOS QUAD
2-INPUT NOR GATE fabricated with silicon gate2 MOS technology.
The internal circuit is composed of 3 stages
including buffer output, which enables high noise
immunity and stable output.
All inputs are equipped with protection circuits
against static discharge and transient excess
voltage.
M74HC02

QUAD 2-INPUT NOR GATE
PIN CONNECTION AND IEC LOGIC SYMBOLS
ORDER CODES
M74HC02
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
M74HC02
3/8
DC SPECIFICATIONS
AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, Input tr = tf = 6ns)
CAPACITIVE CHARACTERISTICS

1) CPD is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without
load. (Refer to Test Circuit). Average operating current can be obtained by the following equation. ICC(opr) = CPD x VCC x fIN + ICC/4 (per gate)
M74HC02
4/8
TEST CIRCUIT

CL = 50pF or equivalent (includes jig and probe capacitance)
RT = ZOUT of pulse generator (typically 50Ω)
WAVEFORM : PROPAGATION DELAY TIMES(f=1MHz; 50% duty cycle)


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