2.5 mm x 3.2 mm Ceramic Package SMD Oscillator

ISM87 Series

ILSI America Phone 775-851-8880 ● Fax 775-851-8882 ●email: e-mail@ilsiamerica.com ●

www.ilsiamerica.com

Specifications subject to change without notice

Rev: 11/29/14_A

Page 1 of 2

Product Features:

Wide Temperature Range (-55º to +125ºC)

Frequency Stability option ±50 ppm over the full operating temperature range.

Low Phase Noise

RoHS Compliant

Pin Connections

Pin 2

Pin 3

Pin 4

Ground

Output

Vcc

IYWW

FREQ

43

1

2

3.20

2.50

1.20

1.20

0.90

1.00

2.20

1.70

1.20

1.40

Recommended

Land Pattern

Enable / Disable

or NC

Pin 1

Dimension Units: mm

Frequency

1.000 MHz to 125.000 MHz

Output Level

CMOS

Logic ‘0’ = 10% of Vcc max

Logic ‘1’ = 90% of Vcc min

Duty Cycle

Specify 50% ±10% or ±5% See Table in Part Number Guide

Rise / Fall Time

5 nS Max. for 10% to 90% of waveform

Output Load

15 pF

Aging (Initial First

Year)

±3 ppm max

Start-up Time

5 mS Max.

Enable / Disable Time

(Pin 1)

100 nS Max. N.C. or ≥ 70% Vcc = Enable.

≤ 30% Vcc = Disable

Supply Voltage

See Input Voltage Table, tolerance ±5 %

Current

50 mA Max.

Operating

Storage

Phase Jitter:

(12kHz – 20MHz)

1 pS RMS max

Tri-State (Pin 1)

Function

Enable / Disable Time

Current, Standby Mode

Standby

100 nS Max. N.C. or ≥ 70% Vcc = Enable.

≤ 30% Vcc = Disable

20 µA

Part Number Guide

Sample Part Number:

ISM87-3756BH-20.000

Package

Input

Voltage

Operating

Temperature

Symmetry

(Duty Cycle)

Output

Stability (in

ppm)

Enable /

Disable

Frequency

ISM87

1 = 1 .8 V

7

= -55ºc to +125ºc

5 = 45 / 55 max

3 = 15pF

B = ±50 ppm

H = Enable

20.000

2 = 2.7 V

6 = 40 / 60 max

6 = 30pF *

C= ±100 ppm

O = N/C

3 = 3.3 V

6 = 2.5 V

7 = 3.0 V

*

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.