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參數(shù)資料
| 型號(hào)： | MB15E05 |
| 廠商： | Fujitsu Limited |
| 英文描述： | Serial Input PLL Frequency Synthesizer(串行輸入PLL頻率合成器) |
| 中文描述： | 串行輸入鎖相環(huán)頻率合成器（串行輸入鎖相環(huán)頻率合成器） |
| 文件頁數(shù)： | 3/20頁 |
| 文件大?。?/td> | 158K |
| 代理商： | MB15E05 |
3
MB15E05
I
PIN DESCRIPTIONS
Pin No.
Pin Name
I/O
Descriptions
1
OSC
IN
I
Programmable reference divider input.
Oscillator input.
Connection for an crystal or a TCXO.
TCXO should be connected with a coupling capacitor.
2
OSC
OUT
O
Oscillator output.
Connection for an external crystal.
3
V
P
–
Power supply voltage input for the charge pump.
4
V
CC
–
Power supply voltage input.
5
D
O
O
Charge pump output.
Phase of the charge pump can be reversed by FC input.
6
GND
–
Ground.
7
Xfin
I
Prescaler complementary input, and should be grounded via a capacitor.
8
fin
I
Prescaler input.
Connection with an external VCO should be done with AC coupling.
9
Clock
I
Clock input for the 19-bit shift register.
Data is shifted into the shift register on the rising edge of the clock.
is prohibited.)
(Open
10
Data
I
Serial data input using binary code.
The last bit of the data is a control bit.
Control bit = ”H” ; Data is transmitted to the programmable reference
counter.
Control bit = ”L” ; Data is transmitted to the programmable counter.
(Open is prohibited.)
11
LE
I
Load enable signal input
When LE is high, the data in the shift register is transferred to a latch,
according to the control bit in the serial data.
(Open is prohibited.)
12
PS
I
Power saving control input. This pin should be set at ”L” at Power-ON.
(Open is prohibited.)
PS = ”H” ; Normal mode
PS = ”L” ; Power saving mode
13
ZC
I
Forced high-impedance control for the charge pump (with internal pull up
resistor.)
ZC = ”H” ; Normal Do output.
ZC = ”L” ; Do becomes high impedance.
14
LD/fout
O
Lock detect signal output(LD)/ phase comparator monitoring
output (fout).
The output signal is selected by LDS bit in the serial data.
LDS = ”H” ; outputs fout (fr/fp monitoring output)
LDS = ”L” ; outputs LD (”H” at locking, ”L” at unlocking.)
15
φ
φ
P
O
Phase comparator output for an external charge pump.
16
R
O
Phase comparator output for an external charge pump.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MB15E05L | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:Single Serial Input PLL Frequency Synthesizer On-Chip 1.2 GHz Prescaler |
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| MB15E05PFV1 | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:ASSP Single Serial Input PLL Frequency Synthesizer On-Chip 2.0GHz Prescaler |
| MB15E05SL | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:Single Serial Input PLL Frequency Synthesizer On-Chip 2.0 GHz Prescaler |
| MB15E05SLPFV1 | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:Single Serial Input PLL Frequency Synthesizer On-Chip 2.0 GHz Prescaler |
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