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LS7060 Datasheet(PDF) 5 Page - LSI Computer Systems

Part No. LS7060
Description  32 BIT/DUAL 16 BIT BINARY UP COUNTER WITH BYTE MULTIPLEXED THREE-STATE OUTPUTS
Download  7 Pages
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Maker  LSI [LSI Computer Systems]
Homepage  http://www.lsicsi.com
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LS7060 Datasheet(HTML) 5 Page - LSI Computer Systems

   
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SCAN RESET
ENABLE
SCAN
CASCADE ENABLE A
CASCADE ENABLE B
CASCADE ENABLE C
DATA BYTE ON BUS
PACKAGE
A
1
2
3
4
5
1
2
3
4
5
B
1
2
3
4
5
C
FIGURE 6. TIMING DIAGRAM FOR THE 3 DRIVER CASCADE
(END OF SCAN)
PR
D
C
Q
Q
S
R
TO
COUNT INPUT
INHIBIT
COUNT
PULSES
(Same as input to Alt Count)
COUNT
PULSES
(Same as input to Alt Count)
INHIBIT
TO COUNT
INPUT
FIGURE 7. SYNCHRONIZING INHIBIT WITH COUNT PULSES FOR LS7060
METHOD 2
METHOD 1
INHIBIT
COUNT PULSES
(Same as input to
ALT COUNT A)
COUNT PULSES
INHIBIT
Q
C*
(*Reference LS7062 Block
Diagram, Figure 9B)
NOTE: Count A may only change during positive portion of Count Pulses (Alt Count A)
when Count A is used as an inhibit.
FIGURE 8. SYNCHRONIZING INHIBIT WITH COUNT PULSES FOR COUNTER A FOR LS7062
TO COUNT A
D
C
Q
7060/62-071398-5


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