cts reeves frequency products crystals clocks vcxos tcxos ocxos 83 400 reimann ave. sandwich, il 60548 phone: 815-786-8411 fax: 815-786-3600 e-mail: www.ctsreeves.com supply current (ma) supply voltage (vdd) output type symmetry logic "0" level logic "i" level rise/fall time aging stability frequency adjust adjust voltage (pin 6) electrical specifications: parameter features: ? frequency range 1.0 to 50.0 mhz ? stabilities as low as 5 x 10 -7 ? low profile (.350 high) ? internal smt construction ? hcmos/ttl compatible ? electrical frequency adjust ? 16 pin dil hermetic sealed package the cts reeves model 531 is a high stability hybrid tcxo housed in a 16 pin dil package that is only .350 inches high. there are a variety of temperature and stability options to choose from. useful as a reference oscillator in digital synthesizers. the electrical frequency adjust allows for easy tuning and calibration. model 531 hybrid tcvcxo frequency range (mhz) 1-20 mhz 20-50 mhz 25 max. 50 max. 5v 5% hcmos/ttl 50% 10% hcmos/ttl, 50% 5% hcmos ttl (.5 vdc), hcmos (10% vdd) ttl (vdd - .5), hcmos (90% vdd) 5.0 ns max (5 ttl), 10 ns max. (30 pf hcmos) 1.0 ppm/year max. see chart 5 ppm min. 0.5 to 4.5v
84 cts reeves frequency products 400 reimann ave. sandwich, il 60548 phone: 815-786-8411 fax: 815-786-3600 e-mail: www.ctsreeves.com crystals clocks vcxos tcxos ocxos abcde temp. range 0.5 1.0 2.0 2.5 5.0 a0 to 50 xxxxx b0 to 70 xxxx c -20 to 70 xxxx d -30 to 75 xxx e -40 to 85 xxx temperature - stability options t s temperature frequency in mhz stability test circuit: outline drawings: + v dd 1 68 grd 30 pf 9 16 10k 0.250 (6.35) min 0.970 (24.64) 0.350 (8.89) max 0.018 (0.46) 0.100 (2.54) 0.600 (15.24) 0.795 (20.19) 18 9 16 0.023 (0.58) typ all dimensions in inches (mm). mechanical specifications: case: metal, hermetically sealed leads: nickel plated with solder coating seal: resistance weld leak test: leak rate less than 5x10 -8 atmosphere-cc/sec of helium solderability: 95% solder coverage, using rma flux 63 sn / 37 pb solder at +245 c 5 c temperature: operating: see chart storage: -55 to 85 c vibration: 10 g's rms, 20 to 2000 hz mechanical shock: 50 g's 5ms pulse (3 shock/plane) ordering information: temperatures in c. stability in ppm model type 531 ____ ___ ___ ___ ___ ___ model 531 hybrid tcvcxo pin connections pin function 6 control voltage 8 gnd. 9 output 16 +vdd 5v
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