Leaded Oscillator, TCXO, TCVCXO
Metal Package, Full Size DIP
I121 / I122 / I321 / I322 Series *
I122 / I322
1.000 MHz to 40.000 MHz
HC-MOS / TTL
I121 / I321
9.600 MHz to 40.000 MHz
Clipped Sine
Frequency
Output Level
Level
‘0’ = 0.1 Vcc Max., ‘1’= 0.9 Vcc Min.
1.0 V p-p Min.
Duty Cycle
50% ± 10%
10 nS Max.
Rise / Fall Time
Output Load
15 pF, Fo < 50 MHz = 10 TTL, Fo > 50 MHz = 5 LSTTL
20K Ohms / 10 pF
See Frequency Stability Table
Frequency Stability
Frequency Stability at +25° C
Aging
± 1 ppm (I121 and I122)
± 1 ppm / Year Max.
Supply Voltage
Current
See Supply Voltage Table, tolerance ±5 %
20 mA Max. ***
1.65 VDC ± 1.5 VDC, ±5 ppm Min. for Vcc = 3.3 VDC
Positive
3 mA Max.
Control Voltage (I321 / I322)
Slope
2.5 VDC ± 2.0 VDC, ±5 ppm Min. for Vcc = 5.0 VDC
Temperature
See Operating Temperature Table
-40° C to +85° C
Operating
Storage
See Appendix B for information
MSL = 2a., Termination = e1
Environmental
Package Information
* I122 = HC-MOS TCXO, I121 = Clipped Sine TCXO, I322 = HC-MOS TCVCXO, I321 = Clipped Sine TCVCXO
Part Number Guide
Sample Part Number:
I121 - 1Q3 - 20.000
Package and Output
Operating Temperature
Frequency Stability vs. Temperature
Supply Voltage
3 = 3.3 VDC
5 = 5.0 VDC
Frequency
7 = 0° C to +50° C
**O = ±1.5 ppm
I121 -
I122 -
I321 -
I322 -
1 = 0° C to +70° C
**P = ±2.0 ppm
- 20.000 MHz
3 = -20° C to +70 C
2 = -40° C to +85° C
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 for all temperature ranges. *** Frequency, supply, and load related parameters.
ILSI America Phone: 775-851-8880 • Fax: 775-851-8882• e-mail: e-mail@ilsiamerica.com • www.ilsiamerica.com
12/06
Specifications subject to change without notice
F8