EURO
QUARTZ
FEATURES
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Industry-standard 7.0 x 5.0mm package
Frequency Range 125MHz to 260MHz
High frequency range at low cost
Supply voltage 2.5V or 3.3Volts
Ultra-low phase noise and jitter
Tristate function to conserve power
XOA91 Series Oscillators
7 x 5mm High Frequency Low Jitter HCMOS Clock Oscillator
OUTLINE & DIMENSIONS
DESCRIPTION
XOA91 series oscillators are designed to provide an ultra-low phase
noise and loww jitter HCMOS output at high frequencies from
125MHz to 260MHz. An enable/disable function is standard and the
oscillator may also be specified with a power down function.
SPECIFICATION
Frequency Range:
Output Logic:
Phase Jitter:
RMS Period Jitter:
Frequency Stability
Commercial:
Industrial:
Input Voltage:
Output Voltage
High '1':
Low '0':
Rise/Fall Time:
Current Consumption:
Load:
Start-up Time:
Duty Cycle:
Input Static
Discharge Protection:
Ageing:
125.0MHz to 260.0MHz
HCMOS
0.2ps typical
2.5ps typical
±25ppm to ±100ppm -10° to +70°C
±25ppm to ±100ppm -40° to +85°C
+2.5V to +3.3VDC ±10%
+2.97V minimum
+0.33 V maximum
0.25ns typical, 0.5ns max.
(20%Vdd to 80%Vdd)
80mA typical (Frequency dependent)
15pF
5ms typical, 10ms maximum
50% ±5% (Measured at Vdd-1.3V)
2kV maximum
±2pmm per year maximum
SOLDER TEMPERATURE PROFILE
ABSOLUTE MAXIMUM RATINGS
Permanent damage may occur if units are operated beyond
specified limits.
Supply Voltage:
+4.6 VDC max.
Input Voltage Vi:
Vss-0.5 min., Vdd +0.5V max.
Input Voltage Vo:
Vss-0.5 min., Vdd +0.5V max.
PART NUMBER SCHEDULE
Example:
250.00MHz XOA91050UCTB
*
Frequency
Series Designation XOA91
Stability
100 = ±100ppm
050 = ±50ppm
025 = ±25ppm
Output Universal
Operating Temp. Range
C = Commercial
(-10°~70°C)
I = Industrial
(-40°~+85°C)
Output Option
T=Tristate (enable/disable) P= Powerdown*
Supply Voltage
A = 3.3 Volts
B = 2.5 Volts
TRISTATE
DISABLE
Output is disabled when Pad 1 is taken below
0.3 Vcc referenced to ground
Oscillator is continues to run.
Oscillator is enable when Pad 1 is taken above
0.7 Vcc referenced to ground.
Available by special request: Oscillator shuts down
when disabled.
ENABLE
POWER DOWN
EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE
Tel: +44 (0)1460 230000 Fax: +44 (0)1460 230001 Email: info@euroquartz.co.uk www.euroquartz.co.uk
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