MT90225AG Zarlink Semiconductor, MT90225AG Datasheet - Page 75

• 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

Data Sheet
AC Electrical Characteristics - CPU Interface Intel Timing - Read Cycle
1
2
3
4
5
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_AD[11:0]
UP_D[15:0]
UP_R/W
UP_OE
UP_CS
Characteristics
t
ws
Figure 23 - CPU Interface Intel Timing - Read Access
t
li
Zarlink Semiconductor Inc.
Sym
t
t
t
acc
ACC
t
t
WS
CH
t
AH
LI
Address Valid
Min
1
4
2
2
Typ
Data Valid
Max
35
20
Units
t
ns
ns
ns
ns
ns
ah
Test Conditions
t
ch
75