82P2821BH IDT, Integrated Device Technology Inc, 82P2821BH Datasheet - Page 144
82P2821BH
Manufacturer Part Number
82P2821BH
Description
Manufacturer
IDT, Integrated Device Technology Inc
Datasheet
1.82P2821BH.pdf
(151 pages)
Specifications of 82P2821BH
Number Of Transceivers
1
Screening Level
Industrial
Mounting
Surface Mount
Operating Temperature (min)
-40C
Operating Temperature (max)
85C
Lead Free Status / RoHS Status
Not Compliant
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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
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