74LVQ245TTR_04 View Datasheet(PDF) - STMicroelectronics
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Description
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74LVQ245TTR_04 Datasheet PDF : 12 Pages
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74LVQ245
Figure 2: Input Equivalent Circuit
Table 2: Pin Description
PIN N°
1
2, 3, 4, 5, 6,
7, 8,9
18, 17, 16,
15, 14, 13,
12, 11
19
10
20
SYMBOL
DIR
A1 to A8
NAME AND FUNCTION
Directional Control
Data Inputs/Outputs
B1 to B8 Data Inputs/Outputs
G
GND
VCC
Output Enable Input
Ground (0V)
Positive Supply Voltage
Table 3: Truth Table
INPUTS
G
DIR
L
L
L
H
H
X
X : Don‘t Care
Z : High Impedance
Table 4: Absolute Maximum Ratings
FUNCTION
A BUS
OUTPUT
INPUT
Z
B BUS
INPUT
OUTPUT
Z
OUTPUT
A=B
B=A
Z
Symbol
Parameter
VCC Supply Voltage
VI
DC Bus I/O Voltage (DIR, G)
VI/O DC Bus I/O Voltage
IIK
DC Input Diode Current
IOK
DC Output Diode Current
IO
DC Output Current
ICC or IGND DC VCC or Ground Current
Tstg Storage Temperature
TL
Lead Temperature (10 sec)
Value
Unit
-0.5 to +7
V
-0.5 to VCC + 0.5
V
-0.5 to VCC + 0.5
V
± 20
mA
± 20
mA
± 50
mA
± 400
mA
-65 to +150
°C
300
°C
Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these conditions is
not implied
Table 5: Recommended Operating Conditions
Symbol
VCC
VI
VO
Top
dt/dv
Parameter
Supply Voltage (note 1)
Input Voltage (DIR, G)
DC Bus I/O Voltage
Operating Temperature
Input Rise and Fall Time VCC = 3.0V (note 2)
1) Truth Table guaranteed: 1.2V to 3.6V
2) VIN from 0.8V to 2V
Value
2 to 3.6
0 to VCC
0 to VCC
-55 to 125
0 to 10
Unit
V
V
V
°C
ns/V
2/12
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