DS3251+ Maxim Integrated Products, DS3251+ Datasheet - Page 52

• Manufacturer Part Number: DS3251+
• Description: IC LIU DS3/E3/STS-1 144-CSBGA
• Manufacturer: Maxim Integrated Products
• Type: Line Interface Units (LIUs)r

Specifications of DS3251+

• Number Of Drivers/receivers: 1/1
• Protocol: DS3
• Voltage - Supply: 3.135 V ~ 3.465 V
• Mounting Type: Surface Mount
• Package / Case: 144-CSBGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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