74HCT245A 查看數據表（PDF） - ON Semiconductor

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74HCT245A

Octal 3−State Noninverting Bus Transceiver with LSTTL Compatible Inputs

ON Semiconductor 

MC74HCT245A

A1 2

A2 3

A3 4

A

DATA

PORT

A4 5

A5 6

A6 7

A7 8

A8 9

DIRECTION 1

OUTPUT ENABLE 19

18 B1

17 B2

16 B3

15 B4

14 B5

B

DATA

PORT

13 B6

12 B7

11 B8

Figure 6. Expanded Logic Diagram

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5

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