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74LCX540 Datasheet, PDF (2/12 Pages) Fairchild Semiconductor – Low Voltage Octal Buffer/Line Driver with 5V Tolerant Inputs and Outputs
74LCX540
Figure 2: Input And Output Equivalent Circuit
Table 2: Pin Description
Table 3: Truth Table
PIN N°
1, 19
2, 3, 4, 5, 6,
7, 8, 9
18, 17, 16,
15, 14, 13,
12, 11
10
20
SYMBOL
G1, G2
A1 to A8
NAME AND FUNCTION
Output Enable Inputs
Data Inputs
Y1 to Y8 Data Outputs
GND
VCC
Ground (0V)
Positive Supply Voltage
Table 4: Absolute Maximum Ratings
INPUT
G1
G2
H
X
X
H
L
L
L
L
X : Don’t Care
Z : High Impedance
OUTPUT
An
Yn
X
Z
X
Z
H
L
L
H
Symbol
VCC
VI
VO
VO
IIK
IOK
IO
ICC
IGND
Tstg
TL
Parameter
Supply Voltage
DC Input Voltage
DC Output Voltage (OFF State)
DC Output Voltage (High or Low State) (note 1)
DC Input Diode Current
DC Output Diode Current (note 2)
DC Output Current
DC Supply Current per Supply Pin
DC Ground Current per Supply Pin
Storage Temperature
Lead Temperature (10 sec)
Value
Unit
-0.5 to +7.0
V
-0.5 to +7.0
V
-0.5 to +7.0
V
-0.5 to VCC + 0.5
V
- 50
mA
- 50
mA
± 50
mA
± 100
mA
± 100
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
1) IO absolute maximum rating must be observed
2) VO < GND
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