M54HC541D1 Просмотр технического описания (PDF) - STMicroelectronics
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M54HC541D1 Datasheet PDF : 11 Pages
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M54HC541
Figure 1: IEC Logic Symbols
Figure 2: Input And Output Equivalent Circuit
Table 1: Pin Description
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 Bus Outputs
GND
VCC
Ground (0V)
Positive Supply Voltage
Table 2: Truth Table
G1
H
X
L
L
X : Don’t Care
Z : High Impedance
INPUT
G2
X
H
L
L
OUTPUT
An
Yn
X
Z
X
Z
H
H
L
L
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