IDT82P2821BHG IDT, Integrated Device Technology Inc, IDT82P2821BHG Datasheet - Page 144

• 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

8.13.5 PARALLEL INTEL MULTIPLEXED MICROPROCESSOR INTERFACE
8.13.5.1Read Cycle Specification
Physical And Electrical Specifications
IDT82P2821
Symbol
t
t
t
t
t
t
t
RSW
AEW
CSD
VAS
VAH
PRD
ZRD
Valid ALE signal width
Valid read signal width
Valid RD + CS falling edge delay after ALE falling edge
Valid address to ALE setup time
Valid address to ALE hold time
Data propagation delay after valid read signal falling edge
Valid read negated to output High-Z before valid ALE rising edge
RD + CS
D[7:0]
Figure-67 Parallel Intel Multiplexed Microprocessor Interface Read Cycle
RDY
ALE
Parameter
t
AEW
Note: WR shall be tied to high.
t
VAS
Valid address
t
CSD
t
VAH
21(+1) CHANNEL HIGH-DENSITY T1/E1/J1 LINE INTERFACE UNIT
144
36 (T1/J1) / 33 (E1) or wait until RDY activated
t
PRD
t
RSW
Min
5
0
5
5
5
Valid Data
t
ZRD
31 (T1/J1) / 28 (E1)
MAX
20
February 6, 2009
Units
ns
ns
ns
ns
ns
ns
ns