MT90225AG Zarlink Semiconductor, MT90225AG Datasheet - Page 76
MT90225AG
Manufacturer Part Number
MT90225AG
Description
Description = 16 Port TC PHY For T1, E1 And DSL ;; Package Type = N/a ;; No. Of Pins =
Manufacturer
Zarlink Semiconductor
Datasheet
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Note 1 - For internal synchronization purposes, 2 system clock cycles are required between a write access and the next valid access.
AC Electrical Characteristics - CPU Interface Motorola Timing - Write Cycle
1
2
3
4
5
UP_AD[11:0]
UP_D[15:0]
UP_R/W set-up time to UP_CS falling
edge
Address and Data set up before
rising edge of UP_CS
UP_AD and Data hold time after
UP_CS rising edge
UP_R/W low after rising edge or
UP_CS
UP_CS high before next UP_CS low
UP_R/W
UP_OE
UP_CS
Characteristics
t
ws
Figure 24 - CPU Interface Motorola Timing - Write Access
Zarlink Semiconductor Inc.
Sym
t
t
t
t
t
ADH
CSH
WS
WH
SU
(see Note 1)
Address Valid
Data Valid
Min
10
t
1
4
1
2
su
Typ
t
wh
Max
t
adh
t
system
csh
Units
cycle
clock
ns
ns
ns
ns
Test Conditions
Data Sheet
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