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74HC21

STMicroelectronics
Part Number 74HC21
Manufacturer STMicroelectronics
Description DUAL 4-INPUT AND GATE
Published Sep 6, 2017
Detailed Description . HIGH SPEED tPD = 10 ns (TYP.) AT VCC = 5 V . LOW POWER DISSIPATION ICC = 1 µA (MAX.) AT TA = 25 °C . HIGH NOISE IMMUNI...
Datasheet PDF File 74HC21 PDF File

74HC21
74HC21

Overview
.
HIGH SPEED tPD = 10 ns (TYP.
) AT VCC = 5 V .
LOW POWER DISSIPATION ICC = 1 µA (MAX.
) AT TA = 25 °C .
HIGH NOISE IMMUNITY VNIH = VNIL = 28% VCC (MIN.
) .
OUTPUT DRIVE CAPABILITY 10 LSTTL LOADS .
SYMMETRICAL OUTPUT IMPEDANCE IOH = IOL = 4 mA (MIN.
) .
BALANCED PROPAGATION DELAYS tPLH = tPHL .
WIDE OPERATING VOLTAGE RANGE VCC (OPR) = 2 V TO 6 V .
PIN AND FUNCTION COMPATIBLE WITH 54/74LS21 DESCRIPTION The M54/74HC21 is a high speed CMOS DUAL 4INPUT AND GATE fabricated in silicon gate C2MOS technology.
It has the same high speed performance of LSTTL combined with true CMOSlow power consumption.
The internal circuits is composed of 3 stages including buffered output, which gives high noise immun...


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