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M74HC238B1R Folha de dados(PDF) 1 Page - STMicroelectronics

Nome de Peças M74HC238B1R
Descrição Electrónicos  3 TO 8 LINE DECODER
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Fabricante Electrônico  STMICROELECTRONICS [STMicroelectronics]
Página de início  http://www.st.com
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M74HC238B1R Folha de dados(HTML) 1 Page - STMicroelectronics

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July 2001
s
HIGH SPEED:
tPD = 15ns (TYP.) at VCC = 6V
s
LOW POWER DISSIPATION:
ICC = 4µA(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 238
DESCRIPTION
The M74HC238 is an high speed CMOS 3 TO 8
LINE DECODER fabricated with silicon gate
C2MOS technology.
If the device is enabled, 3 binary select inputs (A,
B and C) determine which one of outputs will go
high. When enable input G1 is held "Low" or either
G2A or G2B is held "High" decoding function is
inhibited and all the 8 outputs go low. Three
enable inputs are provided to ease cascade
connection
and
application
of
this
address
decoder in memory systems.
All inputs are equipped with protection circuits
against static discharge and transient excess
voltage.
M74HC238
3 TO 8 LINE DECODER
PIN CONNECTION AND IEC LOGIC SYMBOLS
ORDER CODES
PACKAGE
TUBE
T & R
DIP
M74HC238B1R
SOP
M74HC238M1R
M74HC238RM13TR
TSSOP
M74HC238TTR
TSSOP
DIP
SOP


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