74ABT646ADB,118 查看數據表（PDF） - NXP Semiconductors.

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74ABT646ADB,118

Octal bus transceiver/register; 3-state

NXP Semiconductors. 

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REAL TIME BUS TRANSFER

BUS B TO BUS A

REAL TIME BUS TRANSFER

BUS A TO BUS B

STORAGE FROM

A, B, OR A AND B

TRANSFER STORED DATA

TO A OR B

A

B

A

B

A

B

A

B

OE DIR CPAB CPBA SAB SBA

L

L

X

X

X

L

OE DIR CPAB CPBA SAB SBA

L

H

X

X

L

X

OE DIR CPAB CPBA SAB SBA

L

H

X

X

X

L

L

X

X

X

H

X

X

X

OE DIR CPAB CPBA SAB SBA

L

L

X H/L X

H

L

H H/L X

H

X

001aae893

Fig 5. Real time bus transfer and storage

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