pll2109x Samsung Semiconductor, Inc., pll2109x Datasheet - Page 2

• Manufacturer Part Number: pll2109x
• Description: Description = PLL2109X 100MHz ~ 500MHz FSPLL ;; Function = FSPLL ;; Configuration = 100~500MHz FSPLL ;; Library Type = STD150 ;; Characteristic = 1.2V/3mA
• Manufacturer: Samsung Semiconductor, Inc.

PLL2109X (PRELIMINARY)
FUNCTIONAL BLOCK DIAGRAM
2
M[7:0]
PWRDN
FIN
P[5:0]
S[1:0]
Pre-Divider
6b
(P)
AVDD12A
AVDD12D
Fvco /m
Fin/p
Main -Divider
Frequency
Detector
8b
Phase
AVSS12D
AVSS12A
Figure 1. Block Diagram
(M)
DN
UP
VABB
Fvco
Charge
Charge
Pump
Pump
Post - Scaler
Controlled
Oscillator
(1,2,4,8)
Voltage
2b
(S)
FILTER
100MHZ ~ 500MHZ FSPLL
Filter
Filter
Loop
Loop
FOUT
Vctrl