參數(shù)資料
型號: C9835CT
廠商: Cypress Semiconductor Corp.
英文描述: Low-EMI Clock Generator for Intel Mobile 133-MHz/3 SO-DIMM Chipset Systems
中文描述: 低電磁干擾時(shí)鐘發(fā)生器英特爾移動(dòng)133兆赫/ 3的SO - DIMM芯片系統(tǒng)
文件頁數(shù): 12/18頁
文件大小: 343K
代理商: C9835CT
C9835
Document #: 38-07303 Rev. **
Page 12 of 18
AC Parameters
Parameter
Description
133 MHz Host
Min.
100 MHz Host
Min.
66 MHz Host
Min.
Units
Max.
Max.
Max.
CPU
TPeriod
THIGH
TLOW
Tr / Tf
TSKEW
TCCJ
SDRAM
TPeriod
CPU(0:2) period
[25,26]
CPU(0:2) high time
[30]
CPU(0:2) low time
[31]
CPU(0:2) rise and fall times
[27]
CPU0 to any CPU Skew
[26,29]
CPU(0:2) Cycle to Cycle Jitter
[26,29]
7.5
1.87
1.67
0.4
8.0
10.0
3.0
2.8
0.4
10.5
15.0
5.2
5.0
0.4
15.5
ns
ns
ns
ns
ps
ps
1.6
150
250
1.6
150
250
1.6
150
250
SDRAM(0:5) 100 MHz and DCLK
period
[25,26]
SDRAM(0:5) 100 MHz and DCLK high
time
[30]
SDRAM(0:5) 100 MHz and DCLK low
time
[31]
SDRAM(0:5) 100 MHz and DCLK rise and
fall times
[27]
SDRAM(0:5) 100 MHzand DCLK
Skew
[26,29]
SDRAM(0:5) 100 MHz, DCLK Cycle to
Cycle Jitter
[26,29]
10.0
10.5
10.0
10.5
10.0
10.5
ns
THIGH
3.0
3.0
3.0
ns
TLOW
2.8
2.8
2.8
ns
Tr / Tf
0.4
1.6
0.4
1.6
0.4
1.6
ns
TSKEW
250
250
250
ps
TCCJ
250
250
250
ps
IOAPIC
TPeriod
THIGH
TLOW
Tr / Tf
TSKEW
TCCJ
3V66
TPeriod
THIGH
TLOW
Tr / Tf
TSKEW
TCCJ
PCI_F
TPeriod
THIGH
IOAPIC(0,1) period
[25,26]
IOAPIC(0,1) high time
[30]
IOAPIC(0,1) low time
[31]
IOAPIC(0,1) rise and fall times
[27]
IOAPIC(0,1) Skew
[26,29]
IOAPIC(0,1) Cycle to Cycle Jitter
[26,29]
30.0
12.0
12.0
0.4
30.0
12.0
12.0
0.4
30.0
12.0
12.0
0.4
ns
ns
ns
ns
ps
ps
N/S
1.6
250
500
1.6
250
500
1.6
250
500
3V66-(0:2) period
[25,26]
3V66-(0:2) high time
[30]
3V66-(0:2) low time
[31]
3V66-(0:2) rise and fall times
[28]
(Any 3V66) to (any 3V66) Skew
[26,29]
3V66-(0:2) Cycle to Cycle Jitter
[26,29]
15.0
5.25
5.05
0.5
16.0
15.0
5.25
5.05
0.5
16.0
15.0
5.25
5.05
0.5
16.0
ns
ns
ns
ns
ps
ps
2.0
175
500
2.0
175
500
2.0
175
500
PCI(_F,1:6) period
[25,26]
PCI(_F, 1:6) high time
[30]
30.0
12.0
30.0
12.0
30.0
12.0
ns
ns
Notes:
25. This parameter is measured as an average over 1us duration, with a crystal center frequency of 14.31818 MHz.
26. All outputs loaded per
Table 6
. Probes are placed on the pins and taken at 1.5V levels for 3.3V signals and at 1.25V for 2.5V signals (see
Figure 8
).
27. Probes are placed on the pins, and measurements are acquired between 0.4V and 2.4V for 3.3V signals and between 0.4V and 2.0V for 2.5V signals (see
Figure 8
).
28. Measured from when both SEL1 and SEL0 are switched to high (enable).
29. This measurement is applicable with Spread ON or Spread OFF.
30. Probes are placed on the pins, and measurements are acquired at 2.4V for 3.3V signals and at 2.0V for 2.5V signals (see
Figure 8
).
31. Probes are placed on the pins, and measurements are acquired at 0.4V.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
C9835CTT 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:Low-EMI Clock Generator for Intel Mobile 133-MHz/3 SO-DIMM Chipset Systems
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C9835CYT 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:Low-EMI Clock Generator for Intel Mobile 133-MHz/3 SO-DIMM Chipset Systems
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