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M74HCT257M1R Scheda tecnica(PDF) 4 Page - STMicroelectronics

Il numero della parte M74HCT257M1R
Spiegazioni elettronici  HCT257 QUAD 2 CHANNEL MULTIPLEXER 3-STATE HCT258 QUAD 2 CHANNEL MULTIPLEXER 3-STATE, INVERTING
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M74HCT257M1R Scheda tecnica(HTML) 4 Page - STMicroelectronics

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ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
VCC
Supply Voltage
-0.5 to +7
V
VI
DC Input Voltage
-0.5 to VCC + 0.5
V
VO
DC Output Voltage
-0.5 to VCC + 0.5
V
IIK
DC Input Diode Current
± 20
mA
IOK
DC Output Diode Current
± 20
mA
IO
DC Output Source Sink Current Per Output Pin
± 35
mA
ICC or IGND
DC VCC or Ground Current
± 70
mA
PD
Power Dissipation
500 (*)
mW
Tstg
Storage Temperature
-65 to +150
oC
TL
Lead Temperature (10 sec)
300
oC
Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these condition is not implied.
(*) 500 mW:
≅ 65 oC derate to 300 mW by 10mW/oC: 65 oCto 85 oC
RECOMMENDED OPERATING CONDITIONS
Symbol
Parameter
Value
Unit
VCC
Supply Voltage
4.5 to 5.5
V
VI
Input Voltage
0 to VCC
V
VO
Output Voltage
0 to VCC
V
Top
Operating Temperature: M54HC Series
M74HC Series
-55 to +125
-40 to +85
oC
oC
tr,tf
Input Rise and Fall Time (VCC = 4.5 to 5.5V)
0 to 500
ns
M54/M74HCT257/258
4/12


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