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ISM92-5466AO-20.000

Description
HCMOS/TTL Output Clock Oscillator, 20MHz Nom, SMD, 4 PIN
CategoryPassive components    oscillator   
File Size97KB,2 Pages
ManufacturerILSI
Websitehttp://www.ilsiamerica.com
Environmental Compliance  
Download Datasheet Parametric View All

ISM92-5466AO-20.000 Overview

HCMOS/TTL Output Clock Oscillator, 20MHz Nom, SMD, 4 PIN

ISM92-5466AO-20.000 Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
Objectid1313030209
Reach Compliance Codecompliant
Other featuresTR, 7/10 INCH
maximum descent time10 ns
Frequency Adjustment - MechanicalNO
frequency stability25%
JESD-609 codee4
Installation featuresSURFACE MOUNT
Nominal operating frequency20 MHz
Maximum operating temperature75 °C
Minimum operating temperature-30 °C
Oscillator typeHCMOS/TTL
Output load30 pF
physical size5.0mm x 3.2mm x 1.6mm
longest rise time10 ns
Maximum supply voltage5.25 V
Minimum supply voltage4.75 V
Nominal supply voltage5 V
surface mountYES
maximum symmetry40/60 %
Terminal surfaceGold (Au) - with Nickel (Ni) barrier
3.2 mm x 5 mm Ceramic Package SMD Oscillator, TTL / HC-MOS
ISM92 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
3.2
5.0
4
3
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-80 MHz
Max Integrated
1 MHz-75 MHz
76 MHz-80 MHz
Max Total Jitter
1 MHz-75 MHz
76 MHz-80 MHz
1.5 MHz to 125.000 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. N.C. or
70% Vdd = Enable.
30% Vdd = Disable.
See Input Voltage Table, tolerance ±5 %
40 mA Max. ***
See Operating Temperature Table in Part Number Guide
-55
C to +125
C
1
2
1.6 mm .
2.5
1.2
1.2
Recommended Pad Layout
2.9
1.35
2.5
1.6
Pin
1
2
3
4
Connection
Enable
GND
Output
Vcc
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)
Dimension Units: mm
Part Number Guide
Package
Input
Voltage
5 = 5.0 V
3 = 3.3 V
ISM92 -
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
ISM92 - 3251BH - 20.000
Output
1 = 10TTL / 15 pF HC-MOS
6 = 30 pF
5 = 50 pF HC-MOS (<40 MHz)
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
- 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
03/11_B
Specifications subject to change without notice
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