Z53C80SCSI ZILOG [Zilog, Inc.], Z53C80SCSI Datasheet - Page 35

• Manufacturer Part Number: Z53C80SCSI
• Description: SMALL COMPUTER SYSTEM INTERFACE (SCSI)
• Manufacturer: ZILOG [Zilog, Inc.]

PS97SCC0200
Z
AC CHARACTERISTICS
DMA Write (Block Mode) Target Send Table
Notes:
[1] Read enable is the occurrence of both /IOR and /DACK.
[2] /EOP, /IOW, and /DACK must be concurrently true for at least T6 for
ILOG
proper recognition of the /EOP pulse.
Name
10
11
12
13
14
1
2
3
4
5
6
7
8
9
Description
DRQ False from /DACK True
Write Enable Width
Write Recovery Time
Data Setup to End of Write Enable
Data Hold Time from End of /IOW
Width of /EOP Pulse
/ACK True to /REQ False
/REQ from End of /IOW (/ACK False)
/REQ from End of ACK (/IOW False)
/ACK True to READY True
READY True to /IOW False
/IOW False to READY False
DATA Hold from /ACK True
Data Setup to /REQ True
[1]
[2]
[1]
Min
50
120
50
25
50
70
40
55
Max
60
80
90
100
70
70
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Z53C80 SCSI
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