SMD Oscillator, TTL / HC-MOS
Ceramic Package, 3.2 mm x 5 mm
Frequency
ISM92 / ISM93 Series
1.500 MHz to 80.000 MHz
Output Level
TTL
‘0’= 0.4 VDC Max., ‘1’ = 2.4 VDC Min.
Specify 50% 10% or 5% See Table
5 nS Max. @ Vcc = +3.3 VDC, 10 nS Max. @ Vcc = +5 VDC **
Fo < 50 MHz = 10 TTL, Fo > 50 MHz = 5 LSTTL See Table
HC-MOS
Level
‘0’ = 0.1 Vcc Max., ‘1’= 0.9 Vcc Min.
Duty Cycle
Rise / Fall Time
Output Load
See Frequency Stability Table
(Includes room temperature tolerance and stability over operating temperature)
Frequency Stability
Start-up Time
10 mS Max.
100 nS Max.
Enable / Disable Time
1 MHz to 75 MHz - 5 pS RMS (1 sigma) Max. accumulated jitter (20K adjacent periods), 1.5 pS RMS (1 sigma) Max.
integrated jitter (12KHz to 20MHz), 50 pS p-p Max. total jitter (100K adjacent periods)
76 MHz to 150 MHz - 3 pS RMS (1 sigma) Max. accumulated jitter (20K adjacent periods), 1 pS RMS (1 sigma) Max.
integrated jitter (12KHz to 20MHz), 30 pS p-p Max. total jitter (100K adjacent periods)
Jitter
Supply Voltage
Current
See Input Voltage Table, tolerance 5 %
40 mA Max. ***
Temperature
Operating
See Operating Temperature Table
-55° C to +125° C
Storage
Environmental / Tape and Reel
Package Information
See Appendix B for Environmental information, Appendix C for Tape and Reel information
MSL = N.A., Termination = e4
Tri-State Function
Pin 1 Open
Enable
Enable
Disable
Pin 1 ≥ 70% Vdd
Pin 1 ≤ 30% Vdd
H = Height
1.6 mm Max.
1.1 mm Max.
ISM92
ISM93 *
* Not available at all frequencies
Part Number Guide
Sample Part Number:
ISM92 - 3251BH - 20.000
Package
Input
Operating
Symmetry
(Duty Cycle)
Output
Stability
(in ppm)
**D = 15
**F = 20
A = 25
Enable /
Disable
Frequency
Voltage
Temperature
5 = 5.0 V
3 = 3.3 V
7 = 3.0 V
2 = 2.7 V
6 = 2.5 V
1 = 1.8 V*
5 = 45 / 55 Max.
6 = 40 / 60 Max.
1 = 10TTL / 15 pF HC-MOS
3 = 15 pF HC-MOS
6 = 30 pF
H = Enable
1 = 0° C to +70° C
6 = -10° C to +70° C
3 = -20° C to +70° C
4 = -30° C to +75° C
2 = -40° C to +85° C
ISM92 -
(1.6 mm H)
- 20.000 MHz
5 = 50 pF HC-MOS (<40 MHz)
4 = AC-MOS
B = 50
ISM93 -
C = 100
(1.1 mm H)
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
Specifications subject to change without notice
10/07
D8