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参数资料
| 型号： | 9FG1201HGLF |
| 厂商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分类： | 时钟产生/分配 |
| 英文描述： | 400 MHz, OTHER CLOCK GENERATOR, PDSO56 |
| 封装： | 6.10 MM, 0.50 PITCH, ROHS COMPLIANT, MO-153, TSSOP-56 |
| 文件页数： | 9/23页 |
| 文件大小： | 268K |
| 代理商： | 9FG1201HGLF |
IDTTM/ICSTM
Frequency Gearing Clock for CPU, PCIe Gen1, Gen2, & FBD
1371F — 09/23/09
ICS9FG1201H
Frequency Gearing Clock for CPU, PCIe Gen1, Gen2, & FBD
17
Electrical Characteristics - Skew and Differential Jitter Parameters
TA = 0 - 70°C; Supply Voltage VDD = 3.3 V +/-5%
Group
Parameter
Description
Min
Typ
Max
Units
Notes
CLK_IN, DIF[x:0]
tSPO_PLL
Input-to-Output Skew in PLL mode (1:1 only),
nominal value @ 25°C, 3.3V
-500
140
500
ps
1,2,4,5,8,
12
CLK_IN, DIF[x:0]
tPD_BYP
Input-to-Output Skew in Bypass mode (1:1 only),
nominal value @ 25°C, 3.3V
2.5
3.1
4.5
ns
1,2,3,5,
12
CLK_IN, DIF [x:0]
tSPO_PLL
Input-to-Output Skew Variation in PLL mode
(over specified voltage / temperature operating ranges)
270
|350|
ps
1,2,4,5,6,
10,12
CLK_IN, DIF [x:0]
tPD_BYP
Input-to-Output Skew Variation in Bypass mode
(over specified voltage / temperature operating ranges)
470
|500|
ps
1,2,3,4,5,
6,10,12
DIF[11:10]
tSKEW_G2
Output-to-Output Skew Group of 2
(Common to Bypass and PLL mode)
10
25
ps
1,2,12
DIF[9:0]
tSKEW_G10
Output-to-Output Skew Group of 10
(Common to Bypass and PLL mode)
40
50
ps
1,2,12
DIF[11:0]
tSKEW_A12
Output-to-Output Skew across all 12 outputs (Common to
Bypass and PLL mode - all outputs at same gear)
80
100
ps
1,2,3,12
DIF[11:0]
tJPH
Differential Phase Jitter (RMS Value)
5
10
ps
1,4,7,12
DIF[11:0]
tSSTERROR
Differential Spread Spectrum Tracking Error (peak to peak)
40
80
ps
1,4,9,12
PLL Jitter Peaking
jpeak-hibw
(HIGH_BW# = 0)
0
2
2.5
dB
11,12
PLL Jitter Peaking
jpeak-lobw
(HIGH_BW# = 1)
0
1.3
2
dB
11,12
PLL Bandwidth
pllHIBW
(HIGH_BW# = 0)
2
3.6
4
MHz
12,13
PLL Bandwidth
pllLOBW
(HIGH_BW# = 1)
0.7
1.2
1.4
MHz
12,13
NOTES on Skew and Differential Jitter Parameters:
8. t is the period of the input clock
11.
Measured as maximum pass band gain. At frequencies within the loop BW, highest point of magnification is called PLL jitter peaking.
12. Guaranteed by design and characterization, not 100% tested in production.
13.
Measured at 3 db down or half power point.
1. Measured into fixed 2 pF load cap. Input to output skew is measured at the first output edge following the corresponding input.
2. Measured from differential cross-point to differential cross-point
10. This parameter is an absolute value. It is not a double-sided figure.
9. Differential spread spectrum tracking error is the difference in spread spectrum tracking between two 9FG1201H devices This parameter is measured at the outputs of two
separate 9FG1201H devices driven by a single CK410B+ in Spread Spectrum mode. The 9FG1201H must set to high bandwidth. The spread spectrum characterisitics are :
maximum of 0.5%, 30 to 33KHz modulation frequency, linear profile.
5. Measured with scope averaging on to find mean value.
6. Long-term variation from nominal of input-to-output skew over temperature and voltage for a single device.
7. This parameter is measured at the outputs of two separate 9FG1201H devices driven by a single CK410B+. The 9FG1201H must be set to high bandwidth. Differential
phase jitter is the accumulation of the phase jitter not shared by the outputs (eg. not including the affects of spread spectrum). Target ranges of consideration are agents with
BW of 1-22MHz and 11-33MHz.
3. All Bypass Mode Input-to-Output specs refer to the timing between an input edge and the specific output edge created by it.
4. This parameter is deterministic for a given device
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