MB15F76UV View Datasheet(PDF) - Fujitsu

Part Name

Description

MFG CO.

MB15F76UV

ASSP Dual Serial Input PLL Frequency Synthesizer(Small Package)

Fujitsu 

MB15F76UV

Aug. 2003

Edition 0.2

„ BLOCK DIAGRAM

VCCIF

5

GNDIF

4

PSIF 7

Intermittent

mode

control

(IF–PLL)

Prescaler

(IF–PLL)

4/5,8/9

finIF 2

XfinIF 3

1/4divider

OSCin 18

OR

finRF 14

XfinRF 13

1/4divider

Prescaler

(RF–PLL)

16/17,

32/33

PSRF 9

Intermittent

mode

control

(RF–PLL)

3-bit latch

LDS SWIF FCIF

5-bit latch

13-bit latch

Binary 5-bit Binary 13-bit

swallow counter programmable

(IF–PLL)

counter(IF–PLL)

fpIF Phase Fast

comp. lock

(IF–PLL) tuning

Charge

pump

(IF–PLL)

Current

Switch

6 DoIF

2-bit latch

T1 T2

14-bit latch

Binary 14–bit pro-

grammable ref.

counter(IF–PLL)

1-bit latch

C/P

setting

current

frIF

T1 T2

2-bit latch

Binary 14-bit pro-

grammable ref.

counter(RF–PLL)

14-bit latch

C/P

setting

current

1-bit latch

frRF

Lock

Det.

(IF–PLL)

LDIF

AND

Lock

Det.

(RF–PLL)

Fast

lock

tuning

Selector

LD

frIF

frRF

fpIF

fpRF

8 LD/fout

LDS SWRF FCRF

3-bit latch

Binary 5-bit Binary 13-bit

swallow counter programmable

(RF–PLL)

counter(RF–PLL)

5-bit latch

13-bit latch

Phase Fast

comp. lock

fpRF (RF–PLL) tuning

Charge Current

pump

(RF–PLL)

Switch

10 DoRF

LE 15

Schmitt

circuit

Latch selector

Data 16

Clock 17

Schmitt

circuit

Schmitt

circuit

CC

NN

12

23-bit shift

register

1

GND

11

VccRF

12

GNDRF

4

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