PL620-88 Datasheet, PDF (1/6 Pages) Micrel Semiconductor – Low Phase Noise XO (9.5-65MHz Output)

PL620-88/-89
Low Phase Noise XO (9.5-65MHz Output)
FE AT UR E S
 Crystal input range: 19MHz to 65MHz
 Output range: 9.5MHz – 65MHz
 Very low phase noise and jitter
 Complementary outputs:
o LVPECL (PL620-88)
o LVDS (PL620-89)
 Supports 2.5V or 3.3V Power Supply.
 Available in 16 pin TSSOP GREEN/RoHS
compliant package.
PIN CONFIGURATION
VDD 1
XIN 2
XOUT 3
DNC 4
S2^ 5
OE 6
DNC 7
GND 8
16 DNC
15 DNC
14 GNDBUF
13 QBAR
12 VDDBUF
11 Q
10 GNDBUF
9 GND
TSSOP-16L
Note: ^ denotes internal pull up
DESCRIPTION
The PL620-88 (LVPECL) and PL620-89 (LVDS) are
XO ICs specifically designed to work with
fundamental or 3^rd OT crystals between 19MHz and
65MHz. The selectable divide by two feature extends
the output range from 9.5MHz to 65MHz. They
require very low current into the crystal resulting in
better overall stability.
OUTPUT ENABLE LOGIC TABLE
Part Number
OE
State
PL620-88
PL620-89
0 (Default) Output enabled
1
Tri-state
0
Tri-state
1 (Default) Output enabled
BLOCK DIAGRAM
Oscillator
X+ ^Amplifier
X-
O
E
Q
Q
S2
OUTPUT FREQUENCY DIVIDE BY
TWO SELECTOR (S2)
S2
Output
0
1(Default)
Intput/2
Input
Micrel Inc. • 2180 Fortune Drive • S an Jose, CA 95131 • USA • tel [phone] • fax [phone] • www.micrel.com Rev 4/28/09 Page 1