IA63484 Datasheet, PDF (24/32 Pages) InnovASIC, Inc – Advanced CRT Controller

IA63484
Advanced CRT Controller
AC Characteristics:
Clock Timing:
Item
Operation Frequency of clk_2
Clock Cycle Time
Clock High Level Pulse Width
Clock Low Level Pulse Width
Clock Rise Time
Clock Fall Time
MPU Read / Write Cycle Timing:
Item
rw_n Setup Time
rw_n Hold Time
rs Setup Time
rs Hold Time
cs_n Setup Time
cs_n High Level Width
Read Wait Time
Read Data Access Time
Read Data Hold Time
Read Data Turn Off Time
dtack_n Delay Time (Z to L)
dtack_n Delay Time (D to L)
dtack_n Release Time (L to H)
dtack_n Turn Off Time (H to Z)
Data Bus 3-State Recovery Time 1
Write Wait Time
Write Data Setup Time
Write Data Hold Time
Copyright © 2001
innovASIC
The End of Obsolescence™
Symbol
f
tCYC
t _PWCH
tPWCL
t_{c r}
t_{c f}
Symbol
t_RWS
tRWH
t_RSS
tRSH
t_CSS
t_WCSH
t_RWAI
tRDAC
t_RDH
t RDZ
t _DTKZL
tDTKDL
t_DTKLH
tDTKZ
t _DBRT1
t_WWAI
tWDS
t_WDH
ENG 21101041200
Page 24 of 32
Data Sheet
9.8 MHz Version
Unit
Min
Max
1
9.8
MHz
102
1000
ns
46
500
ns
46
500
ns
5
ns
5
ns
9.8 MHz Version
Unit
Min
Max
50
ns
0
ns
50
ns
0
ns
40
ns
60
ns
0
ns
80
ns
10
ns
60
ns
70
ns
0
ns
80
ns
100
ns
0
ns
0
ns
40
ns
10
ns
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