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ISM91-5451CO-20.000

Description
5 mm x 7 mm Ceramic Package SMD Oscillator, TTL / HC-MOS
File Size51KB,2 Pages
ManufacturerILSI
Websitehttp://www.ilsiamerica.com
Download Datasheet View All

ISM91-5451CO-20.000 Overview

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

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
°
C
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)
Pin
1
2
3
4
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
I
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
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