82434LX Datasheet, PDF (170/191 Pages) Intel Corporation – PCI, CACHE AND MEMORY CONTROLLER PCMC

82434LX 82434NX
9 6 3 SECOND LEVEL CACHE STANDARD SRAM TIMING 66 MHz (82434NX) PRELIMINARY
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 from
0
8 5 77 0 pF
A 63
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 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 Valid
2
14 78 CPU burst or single write to
Delay from HCLKIN Rising
second level cache 0 pF
t22b
CWE 7 0 CBS 7 0 Rising Edge Valid
Delay from HCLKIN Rising
3
14 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 0 7 7 78 Cache line Fill 0 pF
t22d
CWE 7 0 CBS 7 0 Low Pulse Width 1 HCLK
84 0 pF
t22e
CWE 7 0 CBS 7 0 Driven High before ^b1
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
CWE 7 0 Falling
15
85 CPU burst write to second
level cache 0 pF
t23
CALE Valid Delay from HCLKIN Rising
0
8 0 78 0 pF
t24
CR W 1 0 Valid Delay from HCLKIN
Rising
1 5 8 2 78 0 pF
t25
CBS 1 0 Valid Delay from HCLKIN
Rising Reads from Cache SRAMs
1 0 12 0 78 0 pF
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
170