ISM91-7265EO-20.000 datasheet, PDF

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ISM91-7265EO-20.000: Description5 mm x 7 mm Ceramic Package SMD Oscillator, TTL / HC-MOS; CategoryPassive components oscillator; File Size51KB，2 Pages; ManufacturerILSI; Websitehttp://www.ilsiamerica.com; Environmental Compliance

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ISM91-7265EO-20.000 Overview

5 mm x 7 mm Ceramic Package SMD Oscillator, TTL / HC-MOS

ISM91-7265EO-20.000 Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Maker	ILSI
Reach Compliance Code	compli
Other features	TR, 7/10 INCH
Frequency Adjustment - Mechanical	NO
frequency stability	10%
JESD-609 code	e4
Installation features	SURFACE MOUNT
Nominal operating frequency	20 MHz
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Oscillator type	HCMOS/TTL
Output load	50 pF
physical size	7.0mm x 5.0mm x 1.6mm
Maximum supply voltage	3.15 V
Minimum supply voltage	2.85 V
Nominal supply voltage	3 V
surface mount	YES
maximum symmetry	40/60 %
Terminal surface	Gold (Au) - with Nickel (Ni) barrie

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5 mm x 7 mm Ceramic Package SMD Oscillator, TTL / HC-MOS

ISM91 Series

Product Features:

Low Jitter, Non-PLL Based Output

CMOS/TTL Compatible Logic Levels

Compatible with Leadfree Processing

Applications:

Fibre Channel

Server & Storage

Sonet /SDH

802.11 / Wifi

T1/E1, T3/E3

System Clock

Frequency

Output Level

HC-MOS

TTL

Duty Cycle

Rise / Fall Time

Output Load

Frequency Stability

Start-up Time

Enable / Disable

Time

Supply Voltage

Current

Operating

Storage

Jitter:

RMS(1sigma)

1 MHz-75 MHz

76 MHz-170 MHz

Max Integrated

1 MHz-75 MHz

76 MHz-170 MHz

Max Total Jitter

1 MHz-75 MHz

76 MHz-170 MHz

1 MHz to 170.000 MHz

‘0’ = 0.1 Vcc Max., ‘1’ = 0.9 Vcc Min.

‘0’ = 0.4 VDC Max., ‘1’ = 2.4 VDC Min.

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

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 in Part

Number Guide

See Frequency Stability Table (Includes room temperature tolerance and

stability over operating temperature)

10 mS Max.

100 nS Max.

See Input Voltage Table, tolerance ±5 %

70 mA Max. ***

See Operating Temperature Table in Part Number Guide

-55

C to +125

Recommended

Pad Layout

(Top View)

5 pS RMS (1 sigma) Max. accumulated jitter (20K adjacent periods)

3 pS RMS (1 sigma) Max. accumulated jitter (20K adjacent periods)

1.5 pS RMS (1 sigma -12KHz to 20MHz)

1 pS RMS (1 sigma -12KHz to 20MHz)

50 pS p-p (100K adjacent periods)

30 pS p-p (100K adjacent periods)

Connection

Enable / Disable

Ground

Output

Vdd

Dimension Units: mm

Part Number Guide

Package

Input

Voltage

5 = 5.0 V

3 = 3.3 V

7 = 3.0 V

2 = 2.7 V

6 = 2.5 V

1 = 1.8 V*

Sample Part Number:

Operating

Temperature

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

ISM91 - 3251BH - 20.000

Output

1 = 10TTL / 15 pF HC-MOS

5 = 50 pF HC-MOS (<40 MHz)

6 = 30 pF

Symmetry

(Duty Cycle)

5 = 45 / 55 Max.

6 = 40 / 60 Max.

Stability

(in ppm)

**E =

±10

**D =

±15

**F =

±20

A =

±25

B =

±50

C =

±100

Enable /

Disable

H = Enable

O = N/C

Frequency

SM91 -

- 20.000 MHz

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 frequencies. ** 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

06/09_B

Specifications subject to change without notice

Page 1

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