Datasheet > ISM91-1451CO-170.000

ISM91-1451CO-170.000

更新时间： 2023-08-15 00:00:00

品牌	Logo	应用领域
ILSI		/
页数	文件大小	规格书
2页	54K
描述
HCMOS/TTL Output Clock Oscillator, 1MHz Min, 170MHz Max, 170MHz Nom,

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ISM91-1451CO-170.000 数据手册

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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

1 MHz to 170.000 MHz

Output Level

HC-MOS

TTL

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

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

Duty Cycle

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

Rise / Fall Time

Output Load

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

Frequency Stability

Start-up Time

See Frequency Stability Table (Includes room temperature tolerance and

stability over operating temperature)

10 mS Max.

Enable / Disable

Time

100 nS Max.

Supply Voltage

See Input Voltage Table, tolerance ±5 %

70 mA Max. ***

Recommended

Pad Layout

(Top View)

Current

Operating

Storage

See Operating Temperature Table in Part Number Guide

-55° C to +125° C

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

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)

Connection

Enable / Disable

Ground

Output

Vdd

50 pS p-p (100K adjacent periods)

30 pS p-p (100K adjacent periods)

Dimension Units: mm

Part Number Guide

Sample Part Number:

ISM91 - 3251BH - 20.000

Package

Input

Operating

Symmetry

(Duty Cycle)

5 = 45 / 55 Max.

6 = 40 / 60 Max.

Output

Stability

(in ppm)

**E = ±10

**D = ±15

**F = ±20

A = ±25

Enable /

Disable

Frequency

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*

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

1 = 10TTL / 15 pF HC-MOS

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

6 = 30 pF

H = Enable

O = N/C

ISM91 -

- 20.000 MHz

B = ±50

C = ±100

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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