mt90224 Zarlink Semiconductor, mt90224 Datasheet - Page 140

• Manufacturer Part Number: mt90224
• Description: 8-port Ima/tc Phy Device
• Manufacturer: Zarlink Semiconductor

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 32 - CPU Interface Intel Timing - Read Access
t
li
Zarlink Semiconductor Inc.
MT90222/3/4
Sym.
t
t
ACC
t
t
t
WS
CH
t
AH
acc
LI
140
Address Valid
Min.
1
4
2
2
Typ.
Data Valid
Max.
35
20
Units
t
ah
ns
ns
ns
ns
ns
Test Conditions
150 pf loads
150 pf loads
Data Sheet
t
ch