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M74HC266M1RSTN/a10avaiQUAD EXCLUSIVE NOR GATE WITH OPEN DRAIN


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M74HC266M1R
QUAD EXCLUSIVE NOR GATE WITH OPEN DRAIN
1/8July 2001 HIGH SPEED:
tPD = 10ns (TYP.) at VCC = 6V LOW POWER DISSIPATION:
ICC = 1μA(MAX.) at TA=25°C HIGH NOISE IMMUNITY:NIH = VNIL = 28 % VCC (MIN.) WIDE OPERATING VOLTAGE RANGE:CC (OPR) = 2V to 6V PIN AND FUNCTION COMPATIBLE WITH
74 SERIES 266
DESCRIPTION

The M74HC266 is an high speed CMOS QUAD
EXCLUSIVE NOR GATE fabricated with silicon
gate C2 MOS technology.
The M74HC266 has a high performance
N-channel MOS transistor (OPEN DRAIN output).
Input and Output ensure high noise immunity and
stable outputs.
All inputs are equipped with protection circuits
against static discharge and transient excess
voltage.
M74HC266

QUAD EXCLUSIVE NOR GATE WITH OPEN DRAIN
PIN CONNECTION AND IEC LOGIC SYMBOLS
ORDER CODES
M74HC266
2/8
INPUT AND OUTPUT EQUIVALENT CIRCUIT PIN DESCRIPTION
TRUTH TABLE

Z : High Impedance
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
M74HC266
3/8
DC SPECIFICATIONS
AC ELECTRICAL CHARACTERISTICS (C
L = 50 pF, Input tr = tf = 6ns)
M74HC266
4/8
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)
TEST CIRCUIT

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


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