M54HCT540 查看數據表（PDF） - STMicroelectronics

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产品描述 (功能)

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M54HCT540

OCTAL BUS BUFFER WITH 3 STATE OUTPUTS HCT540: INVERTED - HCT541 NON INVERTED OCTAL BUS BUFFER WITH 3 STATE OUTPUTS

STMicroelectronics 

M54/M74HCT540/541

CHIP CARRIER

HCT540

H CT 54 1

INPUT AND OUTPUT EQUIVALENT CIRCUIT

PIN DESCRIPTION (HCT540)

PIN No

1, 19

2, 3, 4, 5,

6, 7, 8, 9

18, 17, 16,

15, 14, 13,

11, 12

10

20

SYMBOL

G1, G2

A1 to A8

Y1 to Y8

GND

VCC

NAME AND FUNCTION

Output Enable Inputs

Data Inputs

Bus Outputs

Ground (0V)

Positive Supply Voltage

PIN DESCRIPTION (HCT541)

PIN No

1, 19

2, 3, 4, 5,

6, 7, 8, 9

18, 17, 16,

15, 14, 13,

11, 12

10

20

SYMBOL

G1, G2

A1 to A8

Y1 to Y8

GND

VCC

NAME AND FUNCTION

Output Enable Inputs

Data Inputs

Bus Outputs

Ground (0V)

Positive Supply Voltage

2/12

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