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參數(shù)資料
| 型號(hào)： | MB2652BB,557 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 總線收發(fā)器 |
| 英文描述： | MB SERIES, DUAL 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PQFP52 |
| 封裝： | PLASTIC, QFP-52 |
| 文件頁數(shù)： | 4/6頁 |
| 文件大?。?/td> | 87K |
| 代理商： | MB2652BB,557 |
Philips Semiconductors Products
Product specification
MB2652
Dual octal transceiver/registers,
non-inverting (3-State)
August 23, 1993
4
The following examples demonstrate the four
fundamental bus-management functions that
can be performed with the MB2652.The
select pins determine whether data is stored
or transferred through the device in real
time.The output enable pins determine the
direction of the data flow.
}
REAL TIME BUS TRANSFER
BUS B TO BUS A
nOEAB nOEBA nCPAB nCPBA nSAB nSBA
L
X
L
}
REAL TIME BUS TRANSFER
BUS A TO BUS B
nOEAB nOEBA nCPAB nCPBA nSAB nSBA
H
X
L
X
}
STORAGE FROM
A, B, OR A AND B
nOEAB nOEBA nCPAB nCPBA nSAB nSBA
X
H
↑
X
L
X
↑
X
L
H
↑
X
}
TRANSFER STORED DATA
TO A OR B
nOEAB nOEBA nCPAB nCPBA nSAB nSBA
H
L
H | L
H
A
B
A
B
A
B
A
B
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