82443LX Datasheet, PDF (114/144 Pages) Intel Corporation – INTEL 440LX AGPSET: 82443LX PCI A.G.P. CONTROLLER (PAC)

INTEL 82443LX (PAC)
E
5.5. AC Characteristics
All the clock-to-output values are specified into 0 pF load, unless otherwise specified.
Table 22. HOST CLOCK TIMING, 66 MHz
Functional Operating Range (VTT = 1.5V ± 10%, Vcc = 3.3V ±5%; TCASE = 0oC to +100oC)
Symbol
Parameter
Min
Max
Units
Figure
t1 HCLKIN Period
15.0
20.0
ns
15
t2 HCLKIN Period Stability
± 250
ps
t3 HCLKIN High Time
5.3
ns
15
t4 HCLKIN Low Time
5.0
ns
15
t5 HCLKIN Rise Time
0.4
1.6
ns
15
t6 HCLKIN Fall Time
0.4
1.6
ns
15
Table 23. CPU INTERFACE TIMING, 66 MHz
Functional Operating Range (VTT = 1.5V ± 10%, Vcc = 3.3V ±5%; TCASE = 0oC to +100oC)
Symbol
Parameter
Min
Max
Units
Figures
t7 Valid Delay from HCLKIN Rising (tco)
1.25
7.25
ns
17
t8 Input Setup Time to HCLKIN Rising (tsu)
5.0
ns
18
t9 Input Hold Time from HCLKIN Rising (thld)
0.0
ns
18
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