參數(shù)資料
型號(hào): Z0538001VSC
廠商: ZILOG INC
元件分類: 總線控制器
英文描述: SMALL COMPUTER SYSTEM INTERFACE (SCSI)
中文描述: SCSI BUS CONTROLLER, PQCC44
封裝: PLASTIC, LCC-44
文件頁(yè)數(shù): 23/37頁(yè)
文件大小: 226K
代理商: Z0538001VSC
23
Z5380 SCSI
Z
ILOG
PS97SCC0100
AC CHARACTERISTICS
DMA Write (Non-Block Mode) Target Send Cycle Table
No
Description
Min
Max
Units
1
2
3
4
DRQ Low from /DACK Low
/DACK High to DRQ High
Write Enable Width
[1]
/DACK Hold from /IOW High
130
30
100
0
ns
ns
ns
ns
5
6
7
8
Data Setup to End of Write Enable
[1]
Data Hold Time from End of /IOW
Width of /EOP Pulse
[2]
/ACK Low to /REQ High
50
40
100
25
ns
ns
ns
ns
125
9
10
11
12
13
/REQ from End of /DACK (/ACK High)
/ACK Low to DRQ High (Target)
/ACK High to /REQ Low (/DACK High)
Data Hold from Write Enable
Data Setup to /REQ Low (Target)
30
15
20
15
60
150
110
150
ns
ns
ns
ns
ns
Notes:
[1] Write Enable is the occurrence of /IOW and /DACK.
[2] /EOP, /IOW, and /DACK must be concurrently Low for at least T7 for proper recognition of the /EOP pulse.
PS009101-0201
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