參數(shù)資料
型號: MB15F83ULPFT
廠商: FUJITSU LTD
元件分類: XO, clock
英文描述: Fractional-N PLL Frequency Synthesizer
中文描述: PLL FREQUENCY SYNTHESIZER, 2000 MHz, PDSO20
封裝: PLASTIC, TSSOP-20
文件頁數(shù): 4/29頁
文件大?。?/td> 168K
代理商: MB15F83ULPFT
MB15F83UL
4
I
BLOCK DIAGRAM
7
3
4
1
17
11
(9)
10
(8)
16
13
18
19
20
12
15
14
2
9
8
5
6
PS
IF
fin
IF
Xfin
IF
OSC
IN
(5)
(7)
(18)
(17)
(16)
(11)
(14)
(15)
(1)
(2)
(19)
Power
saving
IF-PLL
Prescaler
(IF-PLL)
8/9, 16/17
4-bit latch
11-bit latch
Binary 14-bit pro-
grammable ref.
counter (IF-PLL)
Binary 11-bit
programmable
counter
(IF-PLL)
VCC
IF
GND
IF
(4)
Vp
IF
(3)
(6)
(10)
(13)
(12)
(20)
fp
IF
Phase
comp.
(IF-PLL)
Charge
pump
(IF-PLL)
Do
IF
LD/fout
14-bit latch
Binary 4-bit
swallow counter
(IF-PLL)
L
T
T
S
F
C
6-bit latch
Lock
Det.
(IF-PLL)
LD
IF
Slector
LD
IF
LD
RF
fr
IF
fr
RF
fp
IF
fp
RF
OR
Lock
Det.
(RF-PLL)
Phase
comp.
(RF-PLL)
Charge
pump
(RF-PLL)
Do
RF
SC
(RF-PLL)
SC1
SC2
Vp
RF
GND
RF
GND
Vcc
RF
Clock
Data
LE
PS
RF
Xfin
RF
fin
RF
Schmitt
circuit
Schmitt
circuit
Schmitt
circuit
C
N
1
C
N
2
C
N
3
23-bit shift
register
Latch selector
Power
saving
RF-PLL
Prescaler
(RF-PLL)
16/17
MD2
Binary 4-bit
swallow counter
(RF-PLL)
Binary 10-bit
programmable
counter
(RF-PLL)
4-bit latch
10-bit latch
MD1
F
1
F
2
F
3
F
4
4-bit latch
Fractional
Counter
13
fr
RF
fp
RF
fr
RF
fp
RF
Selector
S
S
S
F
C
5-bit latch
7-bit latch
Binary 7-bit pro-
grammable ref.
counter
(RF-PLL)
OR
O : TSSOP 20
( ) : BCC 20
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