telephone: (425) 776 - 1880, fax: (425) 776 - 2760, e - mail: ple - sales@pletronics.com t4a vc7 vcxo series n n leadless surface mount vcxo in 7 x 5 mm ceramic package n n hcmos/ttl compatible with tri - state output standard specifications: frequency range 8.000 mhz - 36.000 mhz (consult factory for specific available frequencies) operating temperat ure range 0 - 70 c is standard, but can be extended to - 40 to +85 c. frequency stability over operating temperature range and supply voltage 50 is standard, but 25 ppm also available aging at 25 c 5 c 5 ppm per year supply voltage 5 5% volt is s tandard, but 3.3v also available output logic level hcmos/ttl compatible input current (icc) & rise & fall time (tr & tf) depends on frequency. see table on next page. output load cmos load + 15 pf control voltage range 2.5v 2.0v frequency deviatio n (pullability) over the control voltage range 100 ppm minimum is standard. consult factory for other values. linearity 10% tri - state output normal output when pin #2 is open (optional); normal output when pin #2 is at logic ?1?; high - impedance outp ut when pin #2 is at logic ?0?. packaging (see page r1, figure 4) 16 mm tape, 178 or 254 or 330 mm reel: 1000 parts per reel. for quantities <250: 100 parts per tray. part numbering guide n n the pletronics part number for this vcxo series consists of the following 5 elements: 1. model number (input voltage): vc75h = 5v 3 vc75h = 3.3v 2. frequency stability: vc75h 25 : 25 ppm vc75h 50 : 50 ppm 3. operating temperature range: vc75h50 b : 0 to +70 c vc75h50 f : - 40 to +85 c 4. frequency deviation over c ontrol voltage range: vc75h50b w : 100 ppm 5. frequency of operation in mhz example: vc75h50bw - 12.800 mhz, 3vc75h25fw - 10.000 mhz (continued)
t4b pletronics inc., 19013 36 th ave. w., suite h, lynnwood, wa 98036 - 5761 usa vc7 vcxo series input current and rise & fall time with 15 pf cmos load icc (ma) tr & tf (ns) freq. range (mhz) typ max typ max 8.000 - 20.000 10 15 3.5 5.0 20.001 - 30.000 20 25 3.0 4.5 30.001 ? 36.000 25 30 3.0 4.0 recommended test circuit with cmos load * cl (capacitive load): includes the input capacitance of oscilloscope. ** 0. 1 m f external by - pass filter is recommended. package outline (not to scale): inches (millimeters) january 2000 pin connections pin connection 1 v control 2 enable/disable input 3 ground 4 output 5 no connection 6 input (vcc)
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