SURFACE-MOUNT OSCILLATORS XO90 SERIES Plastic Encapsulated 14 x 9.8mm SMD Oscillators DESCRIPTION OUTLINE & DIMENSIONS 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. 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 Package Type: Frequency Range: Frequency Stability*: 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 PRODUCT SELECTION Model Number XO90100UC XO90050UC XO90025UC XO90100UI XO90050UI XO90025UI Frequency Stability (ppm) Operating Temperature Range ±100 ±50 ±25 ±100 ±50 ±25 0°~+70° 0°~+70° 0°~+70° -40°~+85° -40°~+85° -40°~+85° PART NUMBER GENERATION Frequency Model No. Supply Voltage Nominal Frequency (MHz) See table above 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: [email protected] web: www.euroquartz.co.uk