Surface Mount Oscillator, TCXO, TCVCXO
Ceramic Package, 5 mm x 7 mm
Frequency
Output Level
Level
Output Load
Duty Cycle
Rise / Fall Time
Current
Supply Voltage
Frequency Stability
Frequency Stability at +25° C
Aging
Control Voltage (I733)
Slope
Temperature
Operating
Storage
Environmental
Package Information
I540 / I541/ I740 / I741 Series *
I540 / I740
I541 / I741
10.000 MHz to 30.000 MHz
10.000 MHz to 30.000 MHz
HC-MOS / TTL
Clipped Sine
‘0’ = 0.1 Vcc Max., ‘1’= 0.9 Vcc Min.
0.8 V p-p Min.
15 pF / 10 LSTTL
20K Ohms / 10 pF
50%
±
10%
10 nS Max.
5 mA Max.
2 mA Max.
See Supply Voltage Table, tolerance
±5
%
See Frequency Stability Table
±
1 ppm (I540/I541)
±
1 ppm / Year Max.
1.5 VDC
±
1.0 VDC,
±5
ppm Min.
Positive
See Operating Temperature Table
-40° C to +85° C
See Appendix B for information
MSL = 2a., Termination = e4
* I540 = HC-MOS TCXO, I541 = Clipped Sine TCXO, I740 = HC-MOS TCVCXO, I741 = Clipped Sine TCVCXO
Part Number Guide
Package and Output
I540 -
I541 -
I740 -
I741 -
Sample Part Number:
Operating Temperature
7 = 0° C to +50° C
1 = 0° C to +70° C
3 = -20° C to +70 C
2 = -40° C to +85° C
I541 - 1Q3 - 20.000
Supply Voltage
3 = 3.3 VDC
7 = 3.0 VDC
2 = 2.7 VDC
- 20.000 MHz
Frequency
Frequency Stability vs. Temperature
**N =
±1.0
ppm
**O =
±1.5
ppm
**P =
±2.0
ppm
Q =
±2.5
ppm
R =
±3.0
ppm
J =
±5.0
ppm
NOTE: A 0.01 µF bypass capacitor is recommended between Vcc (pin 4) and Gnd (pin 2) to minimize power supply noise.
** Not available at all temperature ranges.
ILSI America
Phone: 775-851-8880 • Fax: 775-851-8882• e-mail: e-mail@ilsiamerica.com • www.ilsiamerica.com
Specifications subject to change without notice
10/08
F5
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