MB2646BB 查看數據表（PDF） - Philips Electronics
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MB2646BB Datasheet PDF : 16 Pages
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Philips Semiconductors Products
Dual octal bus transceiver/registers (3-State)
The following examples demonstrate the four
fundamental bus-management functions that
can be performed with the MB2646.
REAL TIME BUS TRANSFER
BUS B TO BUS A
REAL TIME BUS TRANSFER
BUS A TO BUS B
Product specification
MB2646
STORAGE FROM
A, B, OR A AND B
A
B
A
B
A
B
nOE nDIR nCPAB nCPBA nSAB nSBA
L
L
X
X
XL
nOE nDIR nCPAB nCPBA nSAB nSBA
L
H
X
X
LX
TRANSFER STORED DATA
TO A OR B
nOE
L
L
H
nDIR
H
L
X
nCPAB nCPBA
↑
X
X
↑
↑
↑
nSAB nSBA
XX
XX
XX
August 23, 1993
A
B
nOE
L
L
nDIR nCPAB nCPBA nSAB nSBA
L
X
H|L
XH
H H|L
X
HX
3
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