參數(shù)資料
型號: Z5380
廠商: ZiLOG, Inc.
英文描述: Small Computer System Interface(小型計算機系統(tǒng)接口(SCSI)控制器)
中文描述: 小型計算機系統(tǒng)接口(小型計算機系統(tǒng)接口(的SCSI)控制器)
文件頁數(shù): 25/37頁
文件大小: 409K
代理商: Z5380
25
Z5380 SCSI
Z
ILOG
PS97SCC0100
AC CHARACTERISTICS
DMA Write (Non-Block Mode) Initiator 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 End of /IOW
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]
/REQ Low to /ACK Low
50
40
100
20
ns
ns
ns
ns
160
9
10
11
12
/REQ High to DRQ High
/DACK High to /ACK High
/IOW High to Valid SCSI Data
Data Hold from Write Enable
[1]
20
25
100
15
110
150
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.
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