MT90222AG Zarlink Semiconductor, MT90222AG Datasheet - Page 141

• Manufacturer Part Number: MT90222AG
• Description: Description = 4 Port Ima & TC PHY For T1, E1 And DSL ;; Package Type = N/a ;; No. Of Pins =
• Manufacturer: Zarlink Semiconductor

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
5
UP_AD[11:0]
UP_D[15:0]
UP_CS high before next UP_CS low
UP_R/W
UP_OE
UP_CS
Characteristics
t
ws
Figure 33 - CPU Interface Motorola Timing - Write Access
Zarlink Semiconductor Inc.
Sym
t
MT90222/3/4
CSH
(see Note 1)
141
Address Valid
Data Valid
Min
t
2
su
Typ
t
wh
Max
t
adh
t
system
csh
Units
cycle
clock
Test Conditions
Data Sheet