am53c94 Advanced Micro Devices, am53c94 Datasheet - Page 47

• Manufacturer Part Number: am53c94
• Description: High Performance Scsi Controller
• Manufacturer: Advanced Micro Devices

Note:
There is a one-to-one relationship between every AMD and NCR Parameter (refer to Appendix B).
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
No.
DMAP 1–0
DMA 15–0
DMAP 1–0
DMA 15–0
DMAWR
DREQ
DACK
DREQ
DACK
Parameter
Symbol
t
t
t
t
PWH
PWH
t
PWL
t
t
PWL
t
t
t
t
t
t
t
PD
PD
PD
t
H
H
H
P
P
Z
S
S
DACK
DACK
DACK Pulse Width Low
DACK
DACK
DACK
DACK Pulse Width High
DACK
DACK
DACK
DMAWR Pulse Width Low
Data to DMAWR
DMAWR
DMAWR Pulse Width High
Data to DMAWR
Parameter Description
45
45
to Data High Impedance
to Data Valid Delay
to Data Hold Time
to DREQ
to DACK
to DREQ
to DACK
to DMAWR
48
48
to DACK
DMA Write without Byte Control
DMA Read without Byte Control
47
47
P R E L I M I N A R Y
46
46
Am53C94/Am53C96
Set Up Time
Hold Time
Valid Delay
Valid Delay
period
period
Hold Time
Set Up Time
49
53
49
51
53
52
51
52
67
45
54
45
Test Conditions
50
50
47
47
55
56
57
59
49
t
49
3
58
+50–t
51
51
100
Min
60
12
50
15
40
2
0
0
0
51
Max
38
41
40
40
16506C-41
16506C-42
AMD
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
47