82P2821BH IDT, Integrated Device Technology Inc, 82P2821BH Datasheet - Page 143

• Manufacturer Part Number: 82P2821BH
• Manufacturer: IDT, Integrated Device Technology Inc

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

8.13.4.2Write Cycle Specification
Physical And Electrical Specifications
IDT82P2821
Symbol
t
t
t
t
t
t
t
t
WSW
t
ASW
HCW
RWV
RWH
CSD
t
t
VAS
VAH
ASD
DV
DH
Valid AS signal width
Valid write signal width
DS + CS to valid hold time
R/ W available time after valid write signal falling edge
R/ W hold time after valid write signal falling edge
Valid DS + CS falling edge delay after AS
Valid address to AS setup time
Valid address to AS hold time
Valid AS rising edge delay after DS + CS rising edge
Data available time before valid write signal rising edge
Valid data hold time after valid write signal rising edge before the next AS rising
edge
Figure-66 Parallel Motorola Multiplexed Microprocessor Interface Write Cycle
DS + CS
D[7:0]
ACK
R/W
AS
Parameter
t
ASW
t
VAS
Valid address
t
CSD
t
VAH
t
RWV
21(+1) CHANNEL HIGH-DENSITY T1/E1/J1 LINE INTERFACE UNIT
143
t
WSW
t
DV
Valid Data
t
RWH
5 or wait until ACK acti-
t
47 (T1/J1) / 35 (E1)
DH
t
ASD
vated
t
Min
HCW
5
0
5
0
5
5
5
5
5
MAX
February 6, 2009
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns