SURFACE-MOUNT OSCILLATORS
XO90 SERIES
Plastic Encapsulated 14 x 9.8mm
SMD Oscillators
DESCRIPTION
The Euroquartz range of XO90, plastic encapsulate oscillators have
stabilities from ±25ppm over -40° to 85°C. In addition to the stability over
operating temperature range customers may also choose from supply
voltages of 3.3 and 5.0 Volts, An Enable/Disable function is available.
OUTLINE & DIMENSIONS
FEATURES
Industry-standard 14 x 9.8mm SMD package
Frequency range 1MHz to 133MHz
Supply Voltages 3.3 Volts or 5.0 Volts
Enable/Disable function option.
GENERAL SPECIFICATION
Plastic (Resin)encapsulated
1.0MHz to 100.0MHz
±25ppm to ±100ppm
(over operating temperature range)
Operating Temperature Range:
0° ~+70°C, Part code: ‘C’
-40° ~+85°C, Part code: ‘I’
Storage Temperature Range:
-55° to +125°C
Ageing:
±5ppm/year maximum
(Ta=25°C, Vdd=2.7V, 3.3V or 5.0V)
Packaging:
Bulk pack or tubed
Output Levels:
TTL or CMOS
Maximum Output Loads
<40MHz:
30pF
>40MHz:
15pF
Duty Cycle
CMOS <40MHz:
45/55% maximum
CMOS >40MHz:
40/60% maximum
Output Clock Rise/Fall Times:
4ns maximum
Power Supply Current:
25mA
(unloaded)
Start-up Time:
10ms maximum
(from power-on)
Output Disable Time
Synchronous:
T/2ns typical, T+10ns maximum
Asynchronous:
10ns typical, 15ns maximum
(T = frequency period)
Output Enable Time:
100ns maximum
Package Type:
Frequency Range:
Frequency Stability*:
PRODUCT SELECTION
Model Number
XO90100UC
XO90050UC
XO90025UC
XO90100UI
XO90050UI
XO90025UI
Frequency
Stability
(ppm)
±100
±50
±25
±100
±50
±25
Operating
Temperature
Range
0°~+70°
0°~+70°
0°~+70°
-40°~+85°
-40°~+85°
-40°~+85°
PART NUMBER GENERATION
Frequency
Nominal
Frequency
(MHz)
Model No.
See table
above
Supply
Voltage
Blank = 5.0 Volts
A=
3.3 Volts
Output
Option
T = Tristate
(Enable/Disable)
EXAMPLE: 24.8920MHz XO90050UCTA
* The frequency stability parameter is an inclusive figure and includes
adjustment tolerance at 25°C, stability over operating temperature
range, variations due to load change ±10%, supply voltage change
±10%, first year ageing, shock and vibration.
Frequency = 24.8920MHz, XO90 package, ±50ppm 0°~+70°C,
Tristate, supply voltage 3.3 Volts
EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE
Tel: +44 1460 230000 Fax: +44 1460 230001 email: info@euroquartz.co.uk web: www.euroquartz.co.uk
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