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M54HC540 数据表(PDF) 2 Page - STMicroelectronics

部件名 M54HC540
功能描述  OCTAL BUS BUFFER WITH 3 STATE OUTPUTS HC540: INVERTED - HC541 NON INVERTED
PDF  12 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

M54HC540 数据表(HTML) 2 Page - STMicroelectronics

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CHIP CARRIER
INPUT AND OUTPUT EQUIVALENT CIRCUIT
PIN DESCRIPTION (HC540)
PIN No
SYMBOL
NAME AND FUNCTION
1, 19
1G, 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
Bus Outputs
10
GND
Ground (0V)
20
VCC
Positive Supply Voltage
HC541
HC540
PIN DESCRIPTION (HC541)
PIN No
SYMBOL
NAME AND FUNCTION
1, 19
1G, 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
Bus Outputs
10
GND
Ground (0V)
20
VCC
Positive Supply Voltage
M54/M74HC540/541
2/12



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