82443LX Datasheet, PDF (120/144 Pages) Intel Corporation – INTEL 440LX AGPSET: 82443LX PCI A.G.P. CONTROLLER (PAC)

INTEL 82443LX (PAC)
E
Table 30. MISCELLANEOUS SIGNALS
Functional Operating Range (VTT = 1.5V ± 10%, Vcc = 3.3V ± 5%; TCASE = 0oC to +100oC)
Symbol
Parameter
Min
Max Units Figure Notes
t75 CRESET# Valid Delay time from HLCKIN
Rising
1.5
7
ns
17 0pF
t76 RSTIN# Setup time to PCICLK Rising
5
ns
18 0pF
t77 RSTIN# Hold time from PCICLK Rising
1
ns
18 0pF
t78 CPURST# Setup time to HCLKIN Rising
5
ns
18 0pF
t79 CPURST# Hold time from HCLKIN Rising
1
ns
18 0pF
t80 TEST# Setup time to HCLKIN Rising
5
ns
18 0pF
t81 TEST# Hold time from HCLKIN Rising
1
ns
18 0pF
t82 INIT# Low Pulse Width
16
ns
20 HCLKs
t83 ECCERR# Valid Delay time from HCLKIN
Rising
2.1
10.0
ns
17 0pF
5.6. 82443LX Timing Diagrams
HCLK
120
High Time
2.0V
1.25V
0.4V
Fall Time
Period
Rise Time
Low Time
2.0V
1.25V
0.4V
clktm_H.vsd
CLKTM_H
Figure 15. 2.5V Clocking Interface