Z53C80SCSI ZILOG [Zilog, Inc.], Z53C80SCSI Datasheet - Page 29

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

PS97SCC0200
Z
AC CHARACTERISTICS
DMA Read (Non-Block Mode) Initiator Receive Table
Notes:
[1] Read enable is the occurrence of both /IOR and /DACK.
[2] /EOP, /IOR and /DACK must be concurrently true for at least T6 for
ILOG
Name
proper recognition of the /EOP pulse.
10
11
12
1
2
3
4
5
6
7
8
9
Description
DRQ False from /DACK True
/DACK False to DRQ True
/DACK Hold Time from End of /IOR
Data Access Time from Read Enable
Data Hold Time from End of /IOR
Width of /EOP Pulse
/REQ True to DRQ True
/REQ True to /ACK True
/REQ False to /ACK False (/DACK False)
/DACK False to /ACK False (/REQ False)
DATA Setup Time to /REQ
DATA Hold Time from /REQ True
[2]
[1]
Min
30
0
10
50
20
50
Max
60
70
70
90
80
90
Units
Z53C80 SCSI
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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