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74ACT541 Datasheet(PDF) 2 Page - STMicroelectronics

Part No. 74ACT541
Description  OCTAL BUS BUFFER WITH 3 STATE OUTPUTS NON INVERTED
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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74ACT541 Datasheet(HTML) 2 Page - STMicroelectronics

   
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INPUT AND OUTPUT EQUIVALENT CIRCUIT
TRUTH TABLE
INPUT
O UT PUT
G1
G2
An
Yn
H
XXZ
XH
XZ
LL
H
H
LLL
L
X:”H” or ”L”
Z: High impedance
PIN DESCRIPTION
PIN No
SYMBOL
NAME AND FUNCT ION
1,19
G1, G2
Output Enable Input
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
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Val ue
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
Value
Unit
VCC
Supply Voltage
4.5 to 5.5
V
VI
Input Voltage
0 to VCC
V
VO
Output Voltage
0 to VCC
V
Top
Operating Temperature:
-40 to +85
oC
dt/dv
Input Rise and Fall Time VCC = 4.5 to 5.5V (note 1)
8
ns/V
1) VIN from 0.8 V to 2.0 V
74ACT541
2/8


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