450NX Datasheet, PDF (135/248 Pages) Intel Corporation – Intel 450NX PCIset

12.4 AC Specifications
12.4 AC Specifications
T5
1.7V
1.25V
0.7V
HCLKIN
T3
T5 = CLK Rise Time
T6 = CLK Fall Time
T3 = CLK High Time
T4 = CLK Low Time
T1 = CLK Period
T6
T4
T1
Figure 12-6: CLK Waveform
Table 12-11: Intel® 450NX PCIset Clock Specifications
Vcc₃ = 3.3 V (5%, T_CASE = 0 to 85 ^oC)
Symbol Parameter
Min
Max
Host Interface:
Bus Frequency
90
100
T1
CLK Period
10
11.11
T2
CLK Period Stability
+/-100
T3
CLK High Time
3
T4
CLK Low Time
3
T5
CLK Rise Time
0.5
1.5
T6
CLK Fall Time
0.5
1.5
T9
TCK Frequency
16.67
T72
TCK Hightime
25
T73
TCK Lowtime
25
T74
TCK rise time
5
T75
TCK fall time
5
Unit Notes
MHz
ns
1
ps
1
ns
1
ns
1
ns
1
ns
1
MHz
ns
ns
ns
ns
Note:
1. These specifications apply to all clock inputs for all four Intel^® 450NX PCIset components.
Intel® 450NX PCIset
12-11