AM53CF94 Advanced Micro Devices, AM53CF94 Datasheet - Page 57

• Manufacturer Part Number: AM53CF94
• Description: Enhanced SCSI-2 Controller (ESC)
• Manufacturer: Advanced Micro Devices

Note:
There is a one-to-one relationship between every AMD and Emulex Parameter (refer to Appendix B).
DMA Read/Write with Byte Control
100
101
102
103
No.
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
Parameter
Symbol
t
t
t
t
t
PWH
PWH
t
PWL
PWL
t
t
t
PWL
PD
t
t
PD
t
t
t
t
PD
t
PD
t
t
t
t
t
t
t
t
t
t
t
H
H
H
H
H
H
H
H
P
S
S
Z
P
z
S
S
S
S
DACK
DACK
DACK Pulse Width Low
DACK
BHE, AS0 to DMARD
DMARD Pulse Width Low
DMARD
BHE, AS0 to DMARD
DMARD
DMARD
DMARD
DACK
DACK
DACK Pulse Width High
PARAMETER DOES NOT EXIST
DACK
DACK
DACK
DACK
BHE, AS0 to DMAWR
DMAWR Pulse Width Low
Data to DMAWR
BHE, AS0 to DMAWR
DMAWR
DMAWR Pulse Width High
Data to DMAWR
DACK
Data to DACK
Parameter Description
to Data High Impedance
to DREQ
to DMAWR
to Data Hold Time
to Data Hold Time
to DREQ
to DACK
to DMARD
to DACK
to Data Valid Delay
to Data High Impedance
to Data Hold Time
to Data Valid Delay
to DACK
to DACK
Am53CF94/Am53CF96
Set Up Time
P R E L I M I N A R Y
Set Up Time
Hold Time
Valid Delay
Valid Delay
period
period
Set Up Time
Hold Time
Set Up Time
Hold Time
Hold Time
Set Up Time
Set Up Time
Hold Time
Test Conditions
t
L
Min
95
45
20
35
20
+ 25
12
20
30
15
20
25
10
10
0
0
2
2
0
0
0
Max
30
35
35
30
30
25
AMD
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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