MT90222AG Zarlink Semiconductor, MT90222AG Datasheet - Page 140

• 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

AC Electrical Characteristics - CPU Interface Motorola Timing - Write Cycle
AC Electrical Characteristics - CPU Interface Intel Timing - Read Cycle
1
2
3
4
5
1
2
3
4
R/W set-up time to UP_CS falling edge
Data valid after both UP_OE and UP_CS
are low.
UP_AD or UP_R/W hold time after
UP_OE rising edge
Data hold time after the first rising edge
of UP_CS or UP_OE
UP_D low impedance after falling edge
of UP_OE
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_AD[11:0]
UP_D[15:0]
UP_R/W
UP_OE
UP_CS
Characteristics
Characteristics
t
ws
Figure 32 - CPU Interface Intel Timing - Read Access
t
li
Zarlink Semiconductor Inc.
Sym
t
t
MT90222/3/4
t
t
ADH
WS
WH
SU
Sym
t
t
t
acc
t
ACC
t
WS
t
AH
CH
LI
140
Address Valid
Min
Min
10
1
4
1
1
4
2
2
Typ
Typ
Data Valid
Max
35
20
Max
Units
t
ns
ns
ns
ns
ns
ah
Units
ns
ns
ns
ns
Test Conditions
Test Conditions
150 pf loads
150 pf loads
Data Sheet
t
ch