82434LX Datasheet, PDF (176/191 Pages) Intel Corporation – PCI, CACHE AND MEMORY CONTROLLER PCMC

82434LX 82434NX
9 6 11 SECOND LEVEL CACHE STANDARD SRAM TIMING 50 AND 60 MHz (82434NX)
Functional Operating Range (V_CC ^e 4 75V to 5 25V V_CC3 ^e 3 135V to 3 465V T_CASE ^e 0 C to ^a85 C)
Symbol
Parameter
Min Max Fig
Notes
t20a
CAA 6 3 CAB 6 3 Propagation Delay 0 8 5 77 0 pF
from A 6 3
t20b
CAA 6 3 CAB 6 3 Valid Delay from
HCLKIN Rising
0 7 2 78 0 pF
t21a
COE 1 0 Falling Edge Valid Delay
from HCLKIN Rising
0 9 0 78 0 pF
t21b
COE 1 0 Rising Edge Valid Delay
from HCLKIN Rising
0 5 5 78 0 pF
t22a
CWE 7 0 CBS 7 0 Falling Edge
2 14 78 CPU burst or single write to
Valid Delay from HCLKIN Rising
second level cache 0 pF
t22b
CWE 7 0 CBS 7 0 Rising Edge
Valid Delay from HCLKIN Rising
3 15 78 CPU burst or single write to
second level cache 0 pF
t22c
CWE 7 0 CBS 7 0 Valid Delay
from HCLKIN Rising
1 4 7 7 78 Cache line Fill 0 pF
t22d
CWE 7 0 CBS 7 0 Low Pulse
14
Width
84 0 pF
t22e
CWE 7 0 CBS 7 0 Driven High
-1
before CALE Driven High
85 Last write to second level
cache during cache line fill 0 pF
t22f
CAA 4 3 CAB 4 3 Valid before
15
85 CPU burst write to
CWE 7 0 Falling
second level cache 0 pF
t23
CALE Valid Delay from HCLKIN Rising 0 8 78 0 pF
t24
CR W 1 0 Valid Delay from HCLKIN 1 5 8 2 78 0 pF
Rising
t25
CBS 1 0 Valid Delay from HCLKIN
1 0 12 0 78 0 pF
Rising Reads from Cache SRAMs
t26a
CCS 1 0 Propagation Delay from
ADS Falling
7 0 77 0 pF First access after
powerdown
t26b
CCS 1 0 Valid Delay from HCLKIN
Rising
1 5 8 2 78 0 pF Entering powerdown
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