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M74HC21B1 Folha de dados(PDF) 1 Page - STMicroelectronics

Nome de Peças M74HC21B1
Descrição Electrónicos  DUAL 4-INPUT AND GATE
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Fabricante Electrônico  STMICROELECTRONICS [STMicroelectronics]
Página de início  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M74HC21B1 Folha de dados(HTML) 1 Page - STMicroelectronics

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August 2001
s
HIGH SPEED:
tPD = 11ns (TYP.) at VCC = 6V
s
LOW POWER DISSIPATION:
ICC = 1µA(MAX.) at TA=25°C
s
HIGH NOISE IMMUNITY:
VNIH = VNIL = 28 % VCC (MIN.)
s
SYMMETRICAL OUTPUT IMPEDANCE:
|IOH| = IOL = 4mA (MIN)
s
BALANCED PROPAGATION DELAYS:
tPLH tPHL
s
WIDE OPERATING VOLTAGE RANGE:
VCC (OPR) = 2V to 6V
s
PIN AND FUNCTION COMPATIBLE WITH
74 SERIES 21
DESCRIPTION
The M74HC21 is an high speed CMOS DUAL
4-INPUT AND 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.
M74HC21
DUAL 4-INPUT AND GATE
PIN CONNECTION AND IEC LOGIC SYMBOLS
ORDER CODES
PACKAGE
TUBE
T & R
DIP
M74HC21B1R
SOP
M74HC21M1R
M74HC21RM13TR
TSSOP
M74HC21TTR
TSSOP
DIP
SOP


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