DS3154+ Maxim Integrated Products, DS3154+ Datasheet - Page 44

• Manufacturer Part Number: DS3154+
• Description: IC LIU DS3/E3/STS1 QUAD 144CSBGA
• Manufacturer: Maxim Integrated Products
• Type: Line Interface Units (LIUs)r

Specifications of DS3154+

• Number Of Drivers/receivers: 4/4
• Protocol: IEEE 1149.1
• 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 13-4. CPU Bus Timing Diagram (Multiplexed) (continued)
MOTOROLA READ CYCLE
MOTOROLA WRITE CYCLE
A[5:0]
D[7:0]
D[7:0]
A[5:0]
ALE
R/W
NOTE: t14 STARTS ON THE OCCURRENCE OF EITHER THE RISING EDGE OF ALE OR A VALID ADDRESS, WHICHEVER OCCURS LAST.
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
DS3151/DS3152/DS3153/DS3154 Single/Dual/Triple/Quad DS3/E3/STS-1 LIUs
t12
t12
t2
t2
t3
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t6
DATA VALID
t7
t8
t4
t4
t10
t10
t5