specifications subject to change without notice. all dimensions in inches. ? copyright 1998 the connor-winfield corporation 2111 comprehensive drive aurora, illinois 60505 phone: 630- 851- 4722 fax: 630- 851- 5040 www.conwin.com surface mount 3.3v hcmos stratum 3 crystal oscillator asof3s3 ocxo the connor-winfield asof3s3 is a fixed frequency surface mount 3.3v oven controlled crystal oscillator (ocxo) with an hcmos output. the asof3s3 is designed for stratum 3 applications requiring tight frequency stability and low jitter. 2111 comprehensive drive aurora, illinois 60505 phone: 630- 851- 4722 fax: 630- 851- 5040 www.conwin.com operating specifications parameter minimum nominal maximum units notes center frequency (fo) - 12.800 - mhz frequency calibration -1.5 - 1.5 ppm 1 frequency stability -0.25 - 0.25 ppm 2 total frequency tolerance -4.6 - 4.6 ppm 3 operating temp range 0 - 70 c supply voltage (vcc) 3.135 3.3 3.465 vdc supply current (icc) - - 450 ma jitter (bw=10 hz to 20 mhz) - - 5 ps rms allan variance (1 sec.) - 5.00 e-10 - ssb phase noise at 10 hz offset - -75 - dbc/hz 10 khz offset - -130 start-up time: oscillator - - 10 ms warm up time - - 5 minutes 4 tdev at 1.0 seconds - - 1 ns 4.0 seconds 2 absolute maximum ratings parameter minimum nominal maximum units notes storage temperature -40 - 85 c supply voltage (vcc) -0.5 - 4.5 vdc us headquarters: 630-851-4722 european headquarters: +353-62-472221 hcmos output characteristics parameter minimum nominal maximum units notes load - - 15 pf voltage: high (voh) 2.6 - - vdc low (vol) - - 0.4 current high (ioh) -4 - - ma low (iol) - - 4 duty cycle at 50% of vcc 45 50 55 % rise/fall time 10% to 90% - - 6 ns package characteristics specifications asof3s3 package surface mount, non-hermetic package consisting of an fr4 substrate with grounded metal cover notes: 1. initial calibration @ 25c 2. frequency vs temperature stability 3. inclusive of calibration, operating temperature range, supply voltage change, shock and vibration, and 10 years aging. 4. measured @ 25c, within 5 minutes, the unit will be within 0.1 ppm of its reference frequency, measured after 30 minutes of continuous operation at a stable 25c ordering information bulletin cx013 page 1 of 2 revision 02 date 30 october 2001 features: fixed frequency 3.3v operation low jitter <5ps rms temperature stability 0.25 ppm frequency tolerance of 4.6 ppm over ten years surface mount package tape & reel packaging asof3s3 - 12.80mhz ocxo series center frequency
specifications subject to change without notice. all dimensions in inches. ? copyright 1998 the connor-winfield corporation 2111 comprehensive drive aurora, illinois 60505 phone: 630- 851- 4722 fax: 630- 851- 5040 www.conwin.com pin connections 1: n/c 7: ground (case) 8: output 14: vcc bulletin cx013 page 2 of 2 revision 02 date 30 october 2001 process recommendtions specifications asof3s3 the component solder used in internal to this device has a melting solder reflow point of 221c. the peak temperature inside the device should be less than or equal to 220c for a maximum of 10 seconds. wash ultrasonic cleaning is not recommended cw date code asof3s3 12.80m cw date code asof3s3 12.80m .330 max (8.382mm) .330 max (8.382mm) 90% 50% 10% .170 .080 detail a keep out area see detail a keep out area (4 places)
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