IDT82P2821BHG IDT, Integrated Device Technology Inc, IDT82P2821BHG Datasheet - Page 138

• Manufacturer Part Number: IDT82P2821BHG
• Description: IC LINE INTERFACE UNIT 640-PBGA
• Manufacturer: IDT, Integrated Device Technology Inc

Specifications of IDT82P2821BHG

• Function: Line Interface Unit (LIU)
• Interface: E1, J1, T1
• Number Of Circuits: 1
• Voltage - Supply: 1.8V, 3.3V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: *
• Includes: Defect and Alarm Detection, Driver Over-Current Detection and Protection, LLOS Detection, PRBSARB / IB Detection and Generation
• Number Of Transceivers: 1
• Screening Level: Industrial
• Mounting: Surface Mount
• Operating Temperature (min): -40C
• Operating Temperature (max): 85C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Supply: -
• Power (watts): -
• Lead Free Status / RoHS Status: Compliant, Lead free / RoHS Compliant
• Other names: 800-1703; 82P2821BHG

8.13.2 PARALLEL MOTOROLA NON-MULTIPLEXED MICROPROCESSOR INTERFACE
8.13.2.1Read Cycle Specification
Physical And Electrical Specifications
IDT82P2821
Symbol
t
t
t
t
t
t
t
RSW
RWV
RWH
HAR
PRD
SAR
ZRD
Figure-61 Parallel Motorola Non-Multiplexed Microprocessor Interface Read Cycle
Address to valid read setup time
Valid read signal width
Address to valid read hold time
R/ W available time after valid CS + DS signal falling edge
R/ W hold time after valid CS + DS signal falling edge
Data propagation delay after valid CS + DS signal falling edge
Valid read negated to output High-Z
DS + CS
D[7:0]
A[x:0]
ACK
R/W
Parameter
t
SAR
t
RWV
21(+1) CHANNEL HIGH-DENSITY T1/E1/J1 LINE INTERFACE UNIT
Valid address
138
t
PRD
t
RWH
t
RSW
wait until ACK activated
41 (T1/J1) / 38 (E1) or
36 (T1/J1) / 33 (E1)
Min
5
0
0
5
Valid Data
t
HAR
36 (T1/J1) / 33 (E1)
t
ZRD
MAX
20
February 6, 2009
Units
ns
ns
ns
ns
ns
ns
ns