M74HCT244PUB1R 查看數據表（PDF） - STMicroelectronics
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M74HCT244PUB1R Datasheet PDF : 10 Pages
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TRUTH TABLE
INPUT
G
G (HCT241PU)
An
L
H
L
L
H
H
H
L
X
X: ”H” or ”L”
Z: High impedance
CIRCUIT SCHEMATIC (1/8 PACKAGE)
HCT240PU
M5 4/ M74 H C T 2 40 PU/ 2 4 1 PU/ 2 44 PU
Yn (HCT240PU)
H
L
Z
OUTPUT
Yn (HCT241PU)
L
H
Z
Yn (HCT244PU)
L
H
Z
HCT 24 1/ 244PU
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
IO
DC Output Source Sink Current Per Output Pin
± 20
mA
± 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 operationunder thesecondition is not implied.
(*) 500 mW: ≅ 65 oC derate to 300 mW by 10mW/oC: 65 oC to 85 oC
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