Philips Semiconductors
74LVT16652A
3.3 V 16-bit bus transceiver/register; 3-state
7.2 Bus management function
Figure 5 demonstrates the four fundamental bus management functions that can be
performed with the 74LVT16652A. 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.
A
B
nOEAB nOEBA nCPAB nCPBA nSAB nSBA
L
L
X
X
X
L
001aac348
a. Real-time bus transfer bus B to bus A
A
B
nOEAB nOEBA nCPAB nCPBA nSAB nSBA
H
H
X
X
L
X
001aac349
b. Real-time bus transfer bus A to bus B
A
B
A
B
nOEAB nOEBA nCPAB nCPBA nSAB
X
H
X
X
L
X
X
X
L
H
X
nSBA
X
X
X
001aac350
c. Storage from bus A only, bus B only, or bus A plus
bus B
Fig 5. Example of bus management functions
nOEAB nOEBA nCPAB nCPBA nSAB nSBA
H
L
H/L H/L H
H
001aac351
d. Transfer stored data to bus A or bus B
9397 750 14402
Product data sheet
Rev. 03 — 12 January 2005
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
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