PI6C410 Pericom Semiconductor Corporation, PI6C410 Datasheet - Page 10

• Manufacturer Part Number: PI6C410
• Description: 400mhz Clock Generator For Desktop Pc
• Manufacturer: Pericom Semiconductor Corporation

Tristate Specifi cations
Spread Spectrum Specifi cations
PI6C410 supports Spread Spectrum clocking and can be enabled and disabled via SMBus control. The maximum Spread Spectrum
Modulation is –0.5% down spread with frequency from 30KHz to 33KHz.
Crystal Recommendations
Notes:
1.
CPU @ 399.000MHz
CPU @ 332.500MHz
CPU @ 266.000MHz
CPU @ 199.500MHz
CPU @ 166.250MHz
CPU @ 133.000MHz
CPU @ 99.750MHz
SRC @ 99.750MHz
PCIF / PCI @ 33.250MHz
CPU[0:2], SRC[1:7],
14.31818MHz
Frequency
External trim capacitors (Ce) are required by using this formula Ce = 2*CL – (Cs + Ci). Typical Ce = 33pF when Crystal Load = 20pF, Trace
capacitance (Cs) = 2.8pF and XTAL pins capacitance = 4.5pF.
06-0020
DOT96
Signal
SSC ON
Cut
AT
Pwrdwn
Loading
Parallel
pin
0
1
1
2.4993
2.9991
3.7489
4.9985
5.9982
7.4978
29.991
9.997
9.997
Min
Load Cap
20pF
Tperiod
Pwrdwn Tristate Bit
10.0533
10.0533
30.1598
2.5133
5.0266
3.016
6.032
Max
3.77
7.54
0.1mW
X
0
1
Drive
Max.
10
PCIF / PCI @ 33.333MHz
Shunt Cap
CPU @ 400.000MHz
CPU @ 333.333MHz
CPU @ 266.666MHz
CPU @ 200.000MHz
CPU @ 166.666MHz
CPU @ 133.333MHz
CPU @ 100.000MHz
SRC @ 100.000MHz
Max.
5pF
SSC OFF
Driven @ Iref x 2
Stoppable
Outputs
Running
Tristate
Cap Max.
Motional
0.016pF
PCI-Express Desktop Chipset
Tolerance
2.4993
2.9991
3.7489
4.9985
5.9982
7.4978
29.991
35ppm
Clock Generator for Intel
9.997
9.997
Max.
Min
Tperiod
Driven @ Iref x 2
Stability
PS8734B
30ppm
Non-stop
Outputs
Running
Max.
2.5008
3.0009
3.7511
5.0015
6.0018
7.5023
10.003
10.003
30.009
Tristate
Max
PI6C410
Aging
5ppm
Max.
Unit
ns
01/11/07