QUAD 2-INPUT NOR GATE - ST Microelectronics
Description
M74HC02
QUAD 2-INPUT NOR GATE
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HIGH SPEED: tPD = 8ns (TYP.
) at VCC = 6V LOW POWER DISSIPATION: ICC = 1µA(MAX.
) at TA=25°C HIGH NOISE IMMUNITY: VNIH = V NIL = 28 % VCC (MIN.
) SYMMETRICAL OUTPUT IMPEDANCE: |IOH| = IOL = 4mA (MIN) BALANCED PROPAGATION DELAYS: tPLH ≅ tPHL WIDE OPERATING VOLTAGE RANGE: VCC (OPR) = 2V to 6V PIN AND FUNCTION COMPATIBLE WITH 74 SERIES 02
DIP
SOP
TSSOP
ORDER CODES
PACKAGE DIP SOP TSSOP TUBE M74HC02B1R M74HC02M1R T&R M74HC02RM13TR M74HC02TTR
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.
All inputs are equipped with protection circuits against static discharge and transient excess voltage.
PIN CONNECTION AND IEC LOGIC SYMBOLS
July 2001
1/8
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 VCC VI VO IIK IOK IO Supply Voltage DC Input Voltage DC Output Voltage DC Input Diode Current DC Output Diode Current DC Output Current Parameter Value -0.
5 to +7 -0.
5 to VCC + 0.
5 -0.
5 to VCC + 0.
5 ± 20 ± 20 ± 25 ± 50 500(*) -65 to +150 300 Unit V V V mA mA mA mA mW °C °C
ICC or IGND DC VCC or Ground Current PD Power Dissipation Tstg TL Storage Temperature Lead Temperature (10 sec)
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 VCC = 2.
0V VCC = 4.
5V VCC = 6.
0V Para...
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