DS3251+ Maxim Integrated Products, DS3251+ Datasheet - Page 53
![IC LIU DS3/E3/STS-1 144-CSBGA](/photos/6/82/68286/144-csbga_pkg_sml.jpg)
DS3251+
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
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Figure 17-4. Parallel CPU Interface Timing Diagram (Multiplexed) (continued)
MOTOROLA READ CYCLE
MOTOROLA WRITE CYCLE
D[7:0]
A[5:0]
D[7:0]
A[5:0]
R/ W
NOTE: t14 STARTS ON THE OCCURRENCE OF EITHER THE RISING EDGE OF ALE OR A VALID ADDRESS, WHICHEVER OCCURS LAST.
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.
R/ W
ALE
CS
DS
CS
DS
t13
t13
t11
t11
ADDRESS
VALID
ADDRESS
VALID
t14
t14
t14
t14
t12
t12
t2
t2
t3
53 of 71
t6
DATA VALID
t7
t8
t4
t4
t10
t10
t5
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