IA63484 Datasheet, PDF (25/32 Pages) InnovASIC, Inc – Advanced CRT Controller

IA63484
Advanced CRT Controller
AC Characteristics (continued):
DMA Read / Write Cycle Timing:
Item
dreq_n Delay Time 1
dreq_n Delay Time 2
DMA r / w_n Setup Time
DMA r / w_n Hold Time
dack_n Setup Time
dack_n Hold Time
DMA Read Wait Time
DMA Read Data Access Time
DMA Read Data Hold Time
DMA Read Data Turn Off Time
DMA dtack_n Delay Time (Z to L)
DMA dtack_n Delay Time (D to L)
DMA dtack_n Release Time (L to H)
DMA dtack_n Turn Off Time (H to Z)
done_n Output Delay Time
done_n Output Turn Off Time
Data Bus 3-State Recovery Time 2
done_n Input Pulse Width
DMA Write Wait Time
DMA Write Data Setup Time
DMA Write Data Hold Time
Data Sheet
Symbol
t _DRQD1
t _DRQD2
t_DMRWS
t_DMRWH
t _DAKS
t_WDAKH
t_DRW
t _DRDAC
t _DRDH
t_DRDZ
t _DDTZL
t_DDTDL
t_DDTLH
t_DDTHZ
t_DND
t_DNL2
t_DBRT2
t_DNPW
t_DWW
t _DWDS
t _DWDH
9.8 MHz Version
Min
Max
110
70
50
0
40
60
0
80
10
60
70
0
80
100
70
80
0
2
0
40
10
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
t_CYC
ns
ns
ns
Copyright © 2001
innovASIC
The End of Obsolescence™
ENG 21101041200
Page 25 of 32
www.innovasic.com
Customer Support:
1−888−824−4184