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參數(shù)資料
| 型號： | MB15F73SPPV |
| 廠商： | FUJITSU LTD |
| 元件分類： | XO, clock |
| 英文描述： | Dual Serial Input PLL Frequency Synthesizer |
| 中文描述： | PLL FREQUENCY SYNTHESIZER, 2000 MHz, PBCC20 |
| 封裝： | PLASTIC, BCC-20 |
| 文件頁數(shù)： | 11/18頁 |
| 文件大?。?/td> | 155K |
| 代理商： | MB15F73SPPV |
11
MB15F73UL
Dec. 2000
Edition 2.0
Table. 8 Charge Pump Current Setting
4. Power Saving Mode (Intermittent Mode Control Circuit)
Table 9. PS Pin Setting
The intermittent mode control circuit reduces the PLL power consumption.
By setting the PS pin low, the device enters into the power saving mode, reducing the current consumption. See
the Electrical Characteristics chart for the specific value.
The phase detector output, Do, becomes high impedance.
For the single PLL, the lock detector, LD, remains high, indicating a locked condition.
For the dual PLL, the lock detector, LD, is as shown in the LD Output Logic table.
Setting the PS pin high, releases the power saving mode, and the device works normally.
The intermittent mode control circuit also ensures a smooth startup when the device returns to normal operation.
When the PLL is returned to normal operation, the phase comparator output signal is unpredictable. This is because
of the unknown relationship between the comparison frequency (fp) and the reference frequency (fr) which can
cause a major change in the comparator output, resulting in a VCO frequency jump and an increase in lockup time.
To prevent a major VCO frequency jump, the intermittent mode control circuit limits the magnitude of the error signal
from the phase detector when it returns to normal operation.
Note: When power (V
CC
) is first applied, the device must be in standby mode, PS=Low, for at least 1
μ
s.
CS
Current value
1
+ 6.0 mA
0
+ 1.5 mA
PS pin
Status
H
Normal mode
L
Power saving mode
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MB15F73UL | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:ASSP Dual Serial Input PLL Frequency Synthesizer |
| MB15F73UL_01 | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:Dual Serial Input PLL Frequency Synthesizer |
| MB15F73ULPFT | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:Dual Serial Input PLL Frequency Synthesizer |
| MB15F73ULPFT-G-BNDE1 | 制造商:FUJITSU 功能描述: |
| MB15F73ULPFT-G-BND-EFE1 | 功能描述:IC SYNTHESIZR PLL DL INP 20TSSOP RoHS:是 類別:集成電路 (IC) >> 時鐘/計時 - 時鐘發(fā)生器，PLL，頻率合成器 系列:- 標(biāo)準(zhǔn)包裝:2,000 系列:- 類型:PLL 頻率合成器 PLL:是 輸入:晶體 輸出:時鐘 電路數(shù):1 比率 - 輸入:輸出:1:1 差分 - 輸入:輸出:無/無 頻率 - 最大:1GHz 除法器/乘法器:是/無 電源電壓:4.5 V ~ 5.5 V 工作溫度:-20°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:16-LSSOP（0.175"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:16-SSOP 包裝:帶卷 (TR) 其它名稱:NJW1504V-TE1-NDNJW1504V-TE1TR |
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