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ST1308 Series
3.3V CMOS Ultra Low Jitter, High Frequency
Voltage Controlled Crystal Oscillator (VCXO)
DS 244 Rev B | 01/05/05
Pericom Semiconductor Corporation 1-800-435-2336 http://www.pericom.com/saronix
All specifications are subject to change without notice.
Product Features
Frequencies available between 38.88 and 125 MHz
High frequency fundamental-mode crystal
No internal PLL or frequency multiplication
Less than 0.5 ps RMS jitter
LVCMOS compatible output
Commercial and industrial operation
±20 ppM stability (or as specified)
±50 ppM absolute (net) pull range
9x14mm true SMT design
Product Description
The ST1308 is a voltage controlled crystal oscillator
that achieves superb jitter and temperature stability
over a broad range of operating conditions and
frequencies. The device is constructed with a
hermetically sealed, fundamental-mode quartz crystal
resonator exhibiting a high-Q for exceptional phase
noise performance. The device, available on tape and
reel, is contained in a 9x14mm leadless FR4 package.
Applications
The ST1308 Series VCXO is an ideal component
in phase locked loop circuits that perform clock
smoothing, clock/data recovery, or frequency
translation and card synchronization functions,
supporting jitter-sensitive applications such as:
SMPTE-compliant Video networking
SONET/SDH timing control and line cards
Gigabit Ethernet and FibreChannel
Satellite and microwave communications
Server & Storage platforms
Common Frequencies
38.8800
51.8400
54.0000
62.5000
65.5360
74.1758
74.2500
75.0000
77.7600
100.0000
106.2500
108.0000
125.0000
Pad 1
2
3
Pad 6
5
4
Stability Tolerance
AA = ±20ppm, 0 to +70°C
A = ±25ppm, 0 to +70°C
B = ±50 ppm, 0 to +70°C
E = ±50 ppm, -40 to +85°C
G = ±50 ppm, 0 to +85°C
SaRonix
Model
Frequency (MHz)
Pullability (minimum APR)
A = ±50 ppm
Linearity
B = 10%
Packaging
blank = bulk packaged
(T) = Tape & Reel*
*full reel increments only (500pcs)
Ordering Information
Full Mechanical Drawings page 6.
Dimensions are in mm/inches.
Package Outline
Actual Size = 9 x 14mm
Pin Functions
Pad
Function
1
Control voltage
2
Output Enable/Disable
3
Ground
4
Output
5
No Connect
6
Supply voltage