am79c961 Advanced Micro Devices, am79c961 Datasheet - Page 117

• Manufacturer Part Number: am79c961
• Description: Pcnettm-isa Jumperless Single-chip Ethernet Controller For Isa
• Manufacturer: Advanced Micro Devices

SWITCHING CHARACTERISTICS: SHARED MEMORY MODE
Parameter
Input/Output Write Timing
Input/Output Read Timing
Memory Write Timing
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
IOW1
IOW2
IOW3
IOW4
IOW5
IOW6
IOW7
IOW8
IOW9
IOR1
IOR2
IOR3
IOR4
IOR5
IOR6
IOR7
IOR8
MW1
MW2
MW3
MW4
MW5
MW6
MW7
MW8
MW9
AEN, SBHE, SA0–9 Setup
to
AEN, SBHE,SA0–9 Hold
From
IOW Assertion
IOW Inactive
SD Setup to
SD Hold After
IOCHRDY Inactive
AEN, SBHE, SA0–9 Setup
to
AEN, SBHE,SA0–9 Hold
After
IOR Inactive
SD Hold From
SD Valid From
IOCHRDY Inactive
SD Valid From
SA0–15, SBHE,
to
SA0–15, SBHE,
From
MEMW Assertion
MEMW Inactive
SD Setup to
SD Hold From
IOCHRDY Inactive
IOCHRDY to
IOCHRDY Delay From
IOCHRDY Delay From
IOCHRDY Delay From
MEMW
MEMW to
Parameter Description
IOW
IOR
MEMW
IOR
IOW
MEMW
IOW
MEMW
IOCHRDY
IOW
IOW
IOR
MEMW
IOR
IOCHRDY
SMAM Hold
SMAM Setup
IOR
IOW
P R E L I M I N A R Y
Test Conditions
Am79C961
–130
Min
150
125
125
150
125
10
55
10
10
15
55
10
55
10
10
5
0
0
5
0
0
0
5
0
0
Max
110
35
20
35
10
35
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
1-591