82C836 Datasheet, PDF (191/205 Pages) List of Unclassifed Manufacturers – Single-Chip 386sx AT

System Characteristics
AC Characteristics 25MHz s
Table 12-48. Local Bus Access and Cache----Input Requirements
Symbol
t350
t351
t352
t353
Parameters
-LBA setup before PROCCLK rise
-LBA hold after PROCCLK rise
-READY setup before PROCCLK rise
-READY hold after PROCCLK rise
Min.
Max.
15
----
2
----
14
----
4
----
Standby Refresh
Standby refresh timing specifications are shown in Table 12-49.
Table 12-49. Output Responses----Standby Refresh
Symbol
t370
t371
t372
t373
t374
Parameters
-CAS fall from 32KHz rise or fall
-RAS0, 3 fall after -CAS fall
-CAS rise after -RAS1, 2 fall
-RAS low time
-MWE rise before -RAS fall
Min.
Max.
----
200
12
----
47
2000
110 2000
15
----
Figure 12-1 shows the circuit load for the AC specifications of the 82C836.
Figure 12-1. Load Circuit
OUTPUT DELAYS INCREASE BY
C_L
0.06nS FOR EACH 1pF ABOVE
THE SPECIFIED TEST LOAD.
Chips and Technologies, Inc.
PRELIMINARY
Revision 3.0 1 2-23