am79c961 Advanced Micro Devices, am79c961 Datasheet - Page 118
am79c961
Manufacturer Part Number
am79c961
Description
Pcnettm-isa Jumperless Single-chip Ethernet Controller For Isa
Manufacturer
Advanced Micro Devices
Datasheet
1.AM79C961.pdf
(173 pages)
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SWITCHING CHARACTERISTICS: SHARED MEMORY MODE (continued)
1-592
Parameter
Memory Read Timing
I/O To Memory Command Inactive
IOCS16 Timing
SRAM Read/Write, Boot PROM Read, Address PROM Read on Private Bus
Symbol
t
t
t
t
IOCS1
IOCS2
t
t
t
t
t
t
t
t
t
t
t
t
IOM1
IOM2
MR1
MR2
MR3
MR4
MR5
MR6
MR7
MR8
PR4
PR5
PR6
PR7
AMD
SA0–15, SBHE,
Setup to
SA0–15, SBHE,
Hold From
MEMR Inactive
SD Hold From
SD Valid From
IOCHRDY Inactive
SD Valid From
AEN, SBHE, SA0–9 to
AEN, SBHE, SA0–9 to IOCS16
Tristated
PRAB Change to PRAB
Change, SRAM Access
PRDB Setup to PRAB
Change, SRAM Access
PRDB Hold From PRAB
Change, SRAM Access
PRAB Change to PRAB
Change, APROM Access
IOCHRDY Delay From
IOW/MEMW to
(S)MEMR/IOR to
Parameter Description
MEMR
MEMR
MEMR
MEMR
IOCHRDY
SMAM/BPAM
SMAM/BPAM
(S)MEMR/IOR
IOW/MEMW
IOCS16
MEMR
P R E L I M I N A R Y
Test Conditions
Am79C961
–130
Min
125
145
10
55
55
55
95
20
5
0
0
0
0
0
0
Max
110
105
155
20
35
10
35
25
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns