PL611-20
Programmable Quick Turn ClockTM
KEY PROGRAMMING PARAMETERS
CLK[ 0:2 ]
Output Frequency
Output Drive
Strength
Programmable
Input/Output (pin #7)
Charge-Pump
Current
Crystal Load
Fout = FIN * M / (R * P) where Std: 10mA
+/- 200ppm One output pin can be
4 levels of pump
current setting
M=10 bit
(default)
tuning.
configured as
R = 8 bit
P = 5 bit
1. CLK2 = FIN or FIN/2
2. FSEL - input
3. OE - input
High: 24mA
1. CLK[0:1] = VCO / 2 * P
2. CLK0 = ~ CLK1
2. CLK[2]= FIN or FIN/2
PIN DESCRIPTION
Pin #
Name
Type
Description
(M)SOP-8 SOT-23
XIN/FIN
GND
1
2
3
2
1
6
-
I
Crystal or Reference input pin
GND connection
P
O
P
-
CLK[0:1]
VDD
3,4
5
Programmable Clock Output [note:CLK0=CLK1]
VDD connection (2.25~3.63V)
Do No Connect
DNC
6
This programmable I/O pin can be configured as CLK2
(FIN or FIN/2) output, or OE input, or Frequency
Selection (FSEL) input pin. This pin has an internal 60KΩ
pull up resistor.
State
0
OE
FSEL
CLK2, OE, FSEL
7
8
5
4
B
Tristate
CLK[0:1]
Normal
mode
Select Freq. ‘1’
1 (default)
Select Freq. ‘2’
XOUT
O
Crystal output pin
47745 Fremont Blvd., Fremont, California 94538 Tel (510) 492-0990 Fax (510) 492-0991
Rev 07/06/05 Page 2
PLL [ PHASELINK CORPORATION ]
