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DS3254 Datasheet(PDF) 52 Page - Dallas Semiconductor

Part # DS3254
Description  Single/Dual/Triple/Quad DS3/E3/STS-1 LIUs
PDF  71 Pages
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Manufacturer  DALLAS [Dallas Semiconductor]
Direct Link  https://www.maximintegrated.com/en.html
Logo DALLAS - Dallas Semiconductor

DS3254 Datasheet(HTML) 52 Page - Dallas Semiconductor

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DS3251/DS3252/DS3253/DS3254
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Figure 17-4. Parallel CPU Interface Timing Diagram (Multiplexed)
ADDRESS
VALID
DATA VALID
A[5:0]
D[7:0]
WR
CS
RD
t2
t3
t4
t5
t10
ALE
t11
t12
t13
t14
t14
NOTE: t14 STARTS ON THE OCCURRENCE OF EITHER THE RISING EDGE OF ALE OR A VALID ADDRESS, WHICHEVER OCCURS LAST.
NOTE: TO AVOID BUS CONTENTION, STOP DRIVING A[5:0] BEFORE
RD GOES LOW.
INTEL READ CYCLE
D[7:0]
RD
CS
WR
t2
t6
t4
t7
t8
t10
ADDRESS
VALID
A[5:0]
ALE
t11
t12
t13
t14
t14
NOTE: t14 STARTS ON THE OCCURRENCE OF EITHER THE RISING EDGE OF ALE OR A VALID ADDRESS, WHICHEVER OCCURS LAST.
INTEL WRITE CYCLE



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