The FN Series is a 5V crystal clock oscillator that
achieves superb jitter and stability over a broad range
of operating conditions and frequencies. The output
clock signal, generated internally with a non-PLL
oscillator design, is compatible with CMOS/TTL
logic levels. The device, available on tape and reel,
is contained in a 5x7mm surface-mount ceramic
package.
4
3
New Part Number Example
FN
750
0001
A = Product Family
B = Frequency Code
C = Specification Code
Applications
The FN Series is an ideal reference clock for
applications requiring low jitter or tight stability,
including:
• Ethernet
• FibreChannel
• Serial Attached SCSI (SAS)
• Server & Storage platforms
• SONET/SDH linecards
• T1/E1, T3/E3 linecards
• DSLAM
• 802.11a/b/g WiFi
Note: After July 1, 2007, a Saronix - eCera part number following the
above format will be assigned upon confirmation of exact customer
requirements.
Legacy Ordering Information (for reference only)
S 1615 B - 25.0000 (x)
SaRonix
Product Series
Frequency Stability
*AA = ±20 ppM (–10 to +70 ºC)
*A = ±25 ppM (–10 to +70 ºC)
B = ±50 ppM (–10 to +70 ºC)
E = ±50 ppM (–40 to +85 ºC)
Packaging
(T) = Tape & Reel
full reel increments
(Q) = Manufactured in
a TS16949 or QS9000
registered facility
Blank = Bulk packaged
Output Frequency
(MHz)
Availibility varies by frequency.
SaRonix-eCera™ is a Pericom® Semiconductor Corporation company • 1-800-435-2336 • www.pericom.com/saronix
1
All specifications are subject to change without notice.
DS 196 Rev E | 08/03/07
5V CMOS Low Jitter XO
FN Series Crystal Clock Oscillator (XO)
Legacy S1615 Series
7.0 x 5.0mm
Electrical Performance
Parameter
Min.
Typ.
Max.
Units
Notes
FN
Output frequency
Supply voltage
Supply current, output enabled
Frequency stability
Operating temperature
Output logic 0, VOL
Output logic 1, VOH
1.544
+4.5
+5.0
106.25
+5.5
27
50
65
±20 to ±50
MHz
V
As specified
1.544 to 32 MHz
mA
ppM
°C
V
V
V
V
>32 to 50 MHz
>50 to 106.25 MHz
See Note 1 below
As specified
HCMOS
TTL
HCMOS
TTL
HCMOS up to <50 MHz
HCMOS 50 to <70 MHz
HCMOS 70 to 106.25 MHz
TTL
-40 to +85°C measured 50%VDD
-10 to +70°C measured 50%VDD
-40 to +85°C measured 50%VDD
-40 to +85°C measured 1.5V
measured 20/80% of waveform
-40
+85
10% V
DD
+0.4
90% V
DD
+3.9
50
30
15
10
pF
pF
pF
TTL
%
%
%
%
ns
ns
ns
ns
ns
Output load
1.544 to 80 MHz
Duty cycle
>80 to 106.25 MHz
1.544 to 106.25 MHz
1.544 up to <50 MHz
Rise and fall
time
50 to <70 MHz
70 to 106.25 MHz
1.544 to <70 MHz
70 to 106.25 MHz
45
45
40
40
55
55
60
60
8
5
3
5
2
measured 0.4V to 2.4V
Notes:
1. As specified. Stability includes all combinations of operating temperature, load changes, rated input (supply) voltage changes, initial calibration tolerance (25°C),
aging (1 year at 25°C average effective ambient temperature), shock and vibration.
2. For specifications other than those listed, please contact sales.
Output Enable / Disable Function
Parameter
Min.
Typ.
Max.
Units
Notes
Input Voltage (pin 1), Output
Enable
Input voltage (pin 1), Output
Disable (low power standby)
Internal pullup resistance
Output disable delay
Output enable delay
2.2
0.8
50
100
100
V
V
kΩ
ns
ns
or open
Output is Hi-Z
SaRonix-eCera™ is a Pericom® Semiconductor Corporation company • 1-800-435-2336 • www.pericom.com/saronix
2
All specifications are subject to change without notice.
DS 196 Rev E | 08/03/07
5V CMOS Low Jitter XO
FN Series Crystal Clock Oscillator (XO)
Legacy S1615 Series
7.0 x 5.0mm
Typical Frequency Stability
FN
SaRonix-eCera™ is a Pericom® Semiconductor Corporation company • 1-800-435-2336 • www.pericom.com/saronix
3
All specifications are subject to change without notice.
DS 196 Rev E | 08/03/07
5V CMOS Low Jitter XO
FN Series Crystal Clock Oscillator (XO)
Legacy S1615 Series
7.0 x 5.0mm
Absolute Maximum Ratings
Parameter
Min.
Typ.
Max.
Units
Notes
FN
Storage temperature
-55
+125
°C
Test Circuit
Test Point
4
Power
Supply
0.1µF
or
0.01µF
1
3
2
15 pF, 30pF, or 50pF
(Including probe
and fixture
capacitance)
Output Enable / Disable Function
Reliability Test Ratings
This product is rated to meet the following test conditions:
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