82434LX Datasheet, PDF (156/191 Pages) Intel Corporation – PCI, CACHE AND MEMORY CONTROLLER PCMC

82434LX 82434NX
Functional Operating Range (V_CC ^e 4 9V to 5 25V T_CASE ^e 0 C to ^a70 C) (Continued)
Symbol
Parameter
Min Max Fig
Notes
t12e
A 31 0 Output Enable from HCLKIN
0
13 81
Rising
t12f
A 31 0 Valid Delay from HCLKIN
Rising
13
13 78 0 pF
t12g
A 31 0 Float Delay from HCLKIN
Rising
0
13 80
t12h
A 2 0 Propagation Delay from
BE 7 0
1
16 77 0 pF
t13a
BRDY Rising Edge Valid Delay
from HCLKIN Rising
17
7 8 78 0 pF
t13b
BRDY Falling Edge Valid Delay
from HCLKIN Rising
17
7 6 78 0 pF
t14
NA Valid Delay from HCLKIN
Rising
13
7 8 78 0 pF
t15a
AHOLD Valid Delay from HCLKIN
Rising
13
7 1 78 0 pF
t15b
BOFF Valid Delay from HCLKIN
Rising
18
7 1 78
t16a
EADS INV PEN Valid Delay from 1 3
7 4 78 0 pF
HCLKIN Rising
t16b
CPURST Rising Edge Valid Delay
from HCLKIN Rising
0 9 7 5 78
t16c
CPURST Falling Edge Valid Delay
from HCLKIN Rising
0 9 7 0 78
t16d
KEN Valid delay from HCLKIN
Rising
1 3 7 6 78
t17
INIT High Pulse Width
2 HCLKs
84 Soft reset via TRC register or
CPU shutdown special cycle
t18
CPURST High Pulse Width
1 ms
84 Hard reset via TRC register 0 pF
156