M54HCT245 查看數據表（PDF） - STMicroelectronics
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M54HCT245
STMicroelectronics
M54HCT245 Datasheet PDF : 11 Pages
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LOGIC DIAGRAM (HCT640)
M54/M74HCT245/640/643
NOTE: IN CASE OF HCT245 OR HCT643, INPUT INVERTERS MARKED* AT A BUS AND B BUS ARE ELIMINATED RESPECTIVELY
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
Tstg
Storage Temperature
TL
Lead Temperature (10 sec)
500 (*)
mW
-65 to +150
oC
300
oC
Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these condition isnotimplied.
(*) 500 mW: ≅ 65 oC derate to 300 mW by 10mW/oC: 65 oC to 85 oC
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