ISM81 Datasheet, PDF (1/2 Pages) ILSI America LLC – 5.0 mm x 7.0 mm Ceramic Package SMD Oscillator

5.0 mm x 7.0 mm Ceramic Package SMD Oscillator
ISM81 Series
Product Features:
Wide Temperature Range (-55º to +125ºC)
Frequency Stability option ±50 ppm over the full operating temperature range.
Low Phase Noise
RoHS Compliant
Frequency
1.000 MHz to 125.000 MHz
Output Level
CMOS
Duty Cycle
Rise / Fall Time
Output Load
Frequency Stability
Logic ‘0’ = 10% of Vcc max
Logic ‘1’ = 90% of Vcc min
Specify 50% ±10% or ±5% See Table in Part Number Guide
5 nS Max. for 10% to 90% of waveform
15 pF
See Frequency Stability Table (Includes room temperature tolerance
and stability over operating temperature)
Aging (Initial First
Year)
Start-up Time
Supply Voltage
Current
Operating
Storage
Phase Jitter:
(12kHz – 20MHz)
Tri-State (Pin 1)
Function
Enable / Disable Time
Current, Standby Mode
±3 ppm max
5 mS Max.
See Input Voltage Table, tolerance ±5 %
50 mA Max.
-55 C to +125 C
-55 C to +125 C
1 pS RMS max
Standby
100 nS Max. N.C. or ≥ 70% Vcc = Enable. ≤ 30% Vcc = Disable
20 µA
7.00
IYWW
FREQ
5.00
1.70 max
5.08
1
2
2.60
4
3
1.40
5.08
0.01
uF
1.50
3.70
2.40
Recommended
Pad Layout
Pin Connections
PIN 1
Enable / Disable
or NC
PIN 2
PIN 3
Ground
Output
PIN 4
Vcc
Dimension Units: mm
Part Number Guide
Package
Input
Voltage
1 = 1 .8 V
2 = 2.7 V
ISM81
3 = 3.3 V
6 = 2.5 V
7 = 3.0 V
Operating
Temperature
7 = -55ºC to +125ºC
Sample Part Number:
Symmetry
(Duty Cycle)
Output
5 = 45 / 55 max
3 = 15pF
6 = 40 / 60 max
6 = 30pF *
ISM81-3756BH-20.000
Stability (in
ppm)
Enable /
Disable
Frequency
B = ±50 ppm
H = Enable
C= ±100 ppm
O = N/C
20.000
*Oscillator may not meet 5% symmetry over temperature range with 30 pF load.
NOTE: A 0.01 µF bypass capacitor is recommended between Vcc (pin 4) and GND (pin 2) to minimize power supply noise.
07/14/14_A2
ILSI America Phone: [phone] • Fax: [phone]• e-mail: [e-mail] • www.ilsiamerica.com
Specifications subject to change without notice
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