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| 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 85C. 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 ~+70C, Part code: `C' -40 ~+85C, Part code: `I' Storage Temperature Range: -55 to +125C Ageing: 5ppm/year maximum (Ta=25C, 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 25C, 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~+70C, 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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