am79c961 Advanced Micro Devices, am79c961 Datasheet - Page 115

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

SWITCHING CHARACTERISTICS: BUS MASTER MODE (continued)
Parameter
Master Mode Address PROM Read
Master Mode Boot PROM Read
Notes:
1. EXTIME is 100 ns when ISACSR2, bit 4, is cleared (default). EXTIME is 0 ns when ISACSR2, bit 4, is set.
2. MSRDA and MSWDA are parameters which are defined in registers ISACSR0 and ISACSR1, respectively.
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
MB10
MB11
MB12
MB13
MB14
MA1
MA2
MA3
MA4
MA5
MA6
MB1
MB2
MB3
MB4
MB5
MB6
MB7
MB8
MB9
APCS Active
PRDB Setup to
PRDB Hold After
SD Valid From
REF, SBHE,SA0–19 Setup
to
REF, SBHE,SA0–19 Hold
From
SMEMR Inactive
BPCS Active
PRDB Setup to
PRDB Hold After
SD Valid From
SD Hold After
LA20–23 Hold From
LA20–23 Setup to
IOR to
APCS to
SMEMR
IOCHRDY Delay
SMEMR to
BPCS to
BALE Setup to
Parameter Description
SMEMR
SMEMR
APCS
IOCHRDY
IOCHRDY
BPCS
SMEMR
IOCHRDY
IOCHRDY
BPCS
APCS
APCS
BPCS
MEMR
MEMR
BALE
P R E L I M I N A R Y
Test Conditions
Am79C961
Min
125
140
125
290
20
45
10
55
45
20
10
10
10
0
0
5
0
0
0
0
Max
260
155
260
305
65
10
35
65
10
20
AMD
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
1-589