82P2821BH IDT, Integrated Device Technology Inc, 82P2821BH Datasheet - Page 142
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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8.13.4 PARALLEL MOTOROLA MULTIPLEXED MICROPROCESSOR INTERFACE
8.13.4.1Read Cycle Specification
Physical And Electrical Specifications
IDT82P2821
Symbol
t
t
t
t
t
t
t
t
t
RSW
RWV
RWH
ASW
CSD
PRD
VAS
VAH
ZRD
Valid AS signal width
Valid read signal width
Valid DS + CS falling edge delay after AS
R/ W available time after valid DS + CS signal falling edge
R/ W hold time after valid DS + CS signal falling edge
Valid address to AS setup time
Valid address to AS hold time
Data propagation delay after valid DS + CS signal falling edge
Valid read negated to output High-Z before valid AS rising
edge
Figure-65 Parallel Motorola Multiplexed Microprocessor Interface Read Cycle
DS + CS
D[7:0]
R/W
ACK
AS
Parameter
t
ASW
t
VAS
Valid address
t
CSD
t
VAH
21(+1) CHANNEL HIGH-DENSITY T1/E1/J1 LINE INTERFACE UNIT
142
41 (T1/J1) / 38 (E1) or wait until ACK activated
t
PRD
t
RWV
t
RWH
t
RSW
36 (T1/J1) / 33 (E1)
Min
5
0
0
5
5
5
Valid Data
t
ZRD
36 (T1/J1) / 33 (E1)
MAX
February 6, 2009
20
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
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