requiring low power or tight stability, including:
• Network adapter cards
• Portable Multimedia Devices
• Hard Disk Drives
• GPS/Navigation
• Bluetooth
• 802.11a/b/g WiFi
Following the above format, Saronix-eCera part numbers will be assigned upon
confirmation of exact customer requirements.
Legacy Ordering Information - For Reference Only:
SaRonix
Product Series
Frequency Stability
A = ±25 ppm (-20 to +70 °C)
B = ±50 ppm (-20 to +70 °C)
E = ±50 ppm (-40 to +85°C)
S 1644 B
75.000 (T)
Packaging
(T) = Tape & Reel
full reel increments
Blank = Bulk packaged
Output Frequency
(MHz)
SaRonix-eCera™ is a Pericom® Semiconductor company
•
US: +1-408-435-0800 TW: +886-3-4518888
•
www.saronix-ecera.com
All specifications are subject to change without notice.
FK 2.5V REV2008_DEC04_01.3
1
2.5V CMOS Low Jitter
XO
FK
FK Series Crystal Clock Oscillator (XO)
Legacy S1644 Series | 3.2 x 2.5mm
Electrical Performance
Parameter
Min.
Typ.
Max.
Units
Notes
Output Frequency
Supply Voltage
Supply Current, Output Enabled
Supply Current, Standby Mode
Frequency Stability
Operating Temperature Range
Output Logic 0, V
OL
Output Logic 1, V
OH
Output Load
Duty Cycle
Rise and Fall Time
Jitter, Phase
Jitter,
Accumulated
Jitter,
Total
1 to 106.25 MHz
up to 75 MHz
75 to 106.25 MHz
up to 75 MHz
75 to 106.25 MHz
1
2.25
2.5
106.25
2.75
10
18
10
±20 to ±50
MHz
V
mA
μA
ppm
°C
V
V
pF
%
ns
ps RMS (1-σ)
ps RMS (1-σ)
ps pk-pk
As specified
1 to 50 MHz
50 to 106.25 MHz
Output Hi-Z
See Note 1 below
Commercial (standard)
Industrial (standard)
-20
-40
90% V
DD
+70
+85
10% V
DD
15
45
55
5
1
5
3
50
30
Measured 50% V
DD
Measured 10/90% of waveform
10kHz to 20 MHz frequency band
20.000 adjacent periods
100.000 random periods
Notes:
1. 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 othere 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
0.7 V
DD
0.3 V
DD
50
100
10
V
V
kΩ
ns
ms
or open
Output is Hi-Z
Absolute Maximum Ratings
Parameter
Min.
Typ.
Max.
Units
Notes
Storage Temperature
-55
+125
°C
SaRonix-eCera™ is a Pericom® Semiconductor company
•
US: +1-408-435-0800 TW: +886-3-4518888
•
www.saronix-ecera.com
All specifications are subject to change without notice.
FK 2.5V REV2008_DEC04_01.3
2
2.5V CMOS Low Jitter
XO
FK
FK Series Crystal Clock Oscillator (XO)
Legacy S1644 Series | 3.2 x 2.5mm
Test Circuit
Test Point
Power
Supply
4
0.1μF
or
0.01μF
1
3
2
15 pF
(Including probe
and fixture
capacitance)
Output Enable / Disable Function
Reflow Soldering Profile
As per IPC/JEDEC J-STD-020C
1 to 3°C/sec max
Temperature – °C
260
Peak 260°C for 10 sec max
1 to 3°C/sec
217
Time
60 to 90 sec
4 to 6 minutes max
Reliability Test Ratings
Type
This product is rated to meet the following test conditions:
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