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
|
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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