MT90221 Zarlink Semiconductor, MT90221 Datasheet - Page 102

• Manufacturer Part Number: MT90221
• Description: Quad Inverse Multiplexing For Atm (IMA) Device With Flexible Ima And Uni Mode
• Manufacturer: Zarlink Semiconductor

AC Electrical Characteristics - CPU Interface Timing - Read Cycle
1
2
3
4
5
R/W set-up time to UP_CS* falling edge
Data valid after UP_OE*, UP_CS* or
UP_AD
UP_AD or UP_R/W* hold time after
UP_CS rising edge
Data hold time after rising edge of
UP_CS or UP_OE
UP_D low impedance after falling edge
of UP_OE
UP_AD[9:0]
UP_D[7:0]
UP_R/W
UP_OE
UP_CS
Characteristics
t
ws
Figure 32 - CPU Interface Timing - Read Access
t
oe
Sym
t
t
t
ACC
t
t
t
acc
WS
CH
OE
AH
Address Valid
Min
2.5
1
0
3
Typ
Max
28
10
Data Valid
Units
ns
ns
ns
ns
ns
t
ah
Test Conditions
MT90221
t
t
ch
ch
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