74VHC541T Ver la hoja de datos (PDF) - STMicroelectronics
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74VHC541T Datasheet PDF : 8 Pages
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74VHC541
INPUT EQUIVALENT CIRCUIT
PIN DESCRIPTION
PIN No
1, 19
2, 3, 4,5,
6, 7,8, 9
18, 17, 16,
15, 14, 13,
12, 11
10
20
S YM BO L
G1, G2
A1 to A8
NAME AND FUNCTION
Output Enable Input
Data Inputs
Y1 to Y8 Data Outputs
GND
VCC
Ground (0V)
Positive Supply Voltage
TRUTH TABLE
G1
H
X
L
L
X:”H” or ”L”
Z: High impedance
INPUT
G2
X
H
L
L
O UT PUT
An
Yn
X
Z
X
Z
H
H
L
L
ABSOLUTE MAXIMUM RATINGS
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
-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
± 25
mA
ICC orIGND DC VCC or Ground Current
± 75
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
VI
Input Voltage
VO
Output Voltage
Top Operating Temperature
dt/dv Input Rise and Fall Time (see note 1) (VCC = 3.3 ± 0.3V)
(V CC = 5.0 ± 0.5V)
1) VIN from 30% to70%of VCC
Valu e
2.0 to 5.5
0 to 5.5
0 to VCC
-40 to +85
0 to 100
0 to 20
Unit
V
V
V
oC
ns/V
ns/V
2/8
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