S1M8821 View Datasheet(PDF) - Samsung

Part Name

Description

Manufacturer

S1M8821

INTERGER RF/IF DUAL PLL

Samsung 

INTERGER RF/IF DUAL PLL

BLOCK DIAGRAM

S1M8821/22/23

VDD1 1

RF

LD

VP1 2

CPoRF 3

GND 4

finRF 5

RF

Charge

Pump

RF

Phase

Detector

RF Prescaler

+–

Prescaler

Control

RF

Programmable

Counter

finRF 6

GND 7

RF N-Latch

OSCin 8

RF R-Latch

GND 9

foLD 10

RF Reference

Counter

foLD

Data Out

IF

Multiplexer

LD

20 VDD2

IF

Phase

Detector

IF

Charge

Pump

19 VP2

18 CPoIF

IF Prescaler

IF

Programmable

Counter

Prescaler

Control

–+

17 GND

16 finIF

IF N-Latch

20-bit Shift Register

IF R-Latch

2-bit

Control

15 finIF

14 GND

13 LE

IF Reference

Counter

12 DATA

11 CLOCK

NOTE: The pin numbers above are for 20-TSSOP package.

3

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