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74LCX540 Datasheet(PDF) 2 Page - STMicroelectronics

Part No. 74LCX540
Description  LOW VOLTAGE CMOS OCTAL BUS BUFFER (3-STATE) WITH 5V TOLERANT INPUTS AND OUTPUTS
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

74LCX540 Datasheet(HTML) 2 Page - STMicroelectronics

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Figure 2: Input And Output Equivalent Circuit
Table 2: Pin Description
Table 3: Truth Table
X : Don’t Care
Z : High Impedance
Table 4: Absolute Maximum Ratings
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
PIN N°
SYMBOL
NAME AND FUNCTION
1, 19
G1, G2
Output Enable Inputs
2, 3, 4, 5, 6,
7, 8, 9
A1 to A8
Data Inputs
18, 17, 16,
15, 14, 13,
12, 11
Y1 to Y8
Data Outputs
10
GND
Ground (0V)
20
VCC
Positive Supply Voltage
INPUT
OUTPUT
G1
G2
An
Yn
H
XXZ
XHX
Z
LL
H
L
LLL
H
Symbol
Parameter
Value
Unit
VCC
Supply Voltage
-0.5 to +7.0
V
VI
DC Input Voltage
-0.5 to +7.0
V
VO
DC Output Voltage (OFF State)
-0.5 to +7.0
V
VO
DC Output Voltage (High or Low State) (note 1)
-0.5 to VCC + 0.5
V
IIK
DC Input Diode Current
- 50
mA
IOK
DC Output Diode Current (note 2)
- 50
mA
IO
DC Output Current
± 50
mA
ICC
DC Supply Current per Supply Pin
± 100
mA
IGND
DC Ground Current per Supply Pin
± 100
mA
Tstg
Storage Temperature
-65 to +150
°C
TL
Lead Temperature (10 sec)
300
°C


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