74LVQ244 View Datasheet(PDF) - STMicroelectronics
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74LVQ244 Datasheet PDF : 8 Pages
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74LVQ244
INPUT AND OUTPUT EQUIVALENT CIRCUIT
PIN DESCRIPTION
PIN No SYMBOL NAME AND FUNCT ION
1
1G
Output Enable Input
2, 4,6, 8 1A1 to 1A4 Data Inputs
9, 7,5, 3 2Y1 to 2Y4 Data Outputs
11, 13, 15, 17 2A1 to 2A4 Data Inputs
18, 16, 14, 12 1Y1 to 1Y4 Data Outputs
19
2G
Output Enable Input
10
GND Ground (0V)
20
VCC
Positive Supply Voltage
TRUTH TABLE
G
L
L
H
X:”H” or ”L”
Z: High impedance
INPUT
An
L
H
X
OUTPUT
Yn
L
H
Z
ABSOLUTE MAXIMUM RATING
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 Current
± 50
mA
ICC orIGND DC VCC or Ground Current
± 400
mA
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.
RECOMMENDED OPERATING CONDITIONS
Symbol
Parameter
VCC Supply Voltage (note 1)
VI
Input Voltage
VO
Output Voltage
Top Operating Temperature:
dt/dv Input Rise and Fall Time (VCC = 3V) (note 2)
1) Truth Table guaranteed: 1.2V to 3.6V
2) VIN from 0.8V to 2V
Valu e
2 to 3.6
0 to VCC
0 to VCC
-40 to +85
0 to 10
Unit
V
V
V
oC
ns/V
2/8
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