75 south street, hopkinton, ma 01748 ? 800-982-5737 ? 508-435-6831 ? fax 508- 435-5289 ? www.valpeyfisher.com 1 mechanical specifications gross leak -each unit checked in 125c fluorocarbon fine leak-mass spectrometer leak rate less than 2x10-8 case -hermetically sealed ceramic package pads -60 microinch of gold over nickel marking -epoxy ink or laser inscribed resistance to solvents -mil std 202, method 215 non- tristate model tristate model frequency stability temperature t7250 t9250 +/-75ppm -40 to + 85c t7254 t9254 +/-50ppm 0 to + 175c t7256 t9256 +/-75ppm -55 to + 85c t7258 t9258 +/-100ppm -40 to + 85c t7001 t9301 +/-500ppm -55 to + 200c t7002 t9302 +/-500ppm 0 to 200c t7003 t9303 +/-250ppm -55 to + 200c t7004 t9304 +/-250ppm 0 to 200c t7005 t9305 +/-250ppm -55 to 175c t7006 t9306 +/-250ppm 0 to 175c t7007 t9307 +/-150ppm -55 to 175c t7008 t9308 +/-150ppm 0 to 175c t7009 t9309 +/-100ppm -55 to 125c t7010 t9310 +/-50ppm -55 to +85c t7011 t9311 +/-25ppm -55 to + 85c t7012 t9312 +/-75ppm -55 to +125c t7013 t9313 +/-50ppm -55 to +125c t7250, t7254, t7256, t7258, t7001 thru t7013, t9250, t9254, t9256, t9258, t9301 thru t9313 extended temperature/cots 5x7 mm surface mount owing to their small size, light weight, and rug ged characteristics, these 3.3v hcmos extended temperature/cots oscillators fulfill tasks not previously feasible. t hey are used in applications that take advantage of their extended temperature ra nge and high performance. twenty six different models (with and without tristate) cover -55c to +200c operation and provide frequency selection from 20khz to 100mhz. they combine excellent l ong-term reliability, loading characteristics, and superior startup performance. applications any electronic circuit requiring 3.3v hcmos clocking that is exposed to very high or very low temperatures such as oil drilling or weather observation equipment features ? tiny 5x7 smd form factor ? hermetically sealed for rugged environmental conditions ? extremely wide operating temperature range accommodates harsh environments ? all crystals are processed in-house with tight angle control to assure best frequency-temperature characteristics ? all units are vacuum baked before sealing at 175c for 16 hours to eliminate moisture traces and pre-age units for superior stability ? tristate feature optional ? equivalent 5v parts are available in series t1254
75 south street, hopkinton, ma 01748 ? 800-982-5737 ? 508-435-6831 ? fax 508- 435-5289 ? www.valpeyfisher.com 2 pin 1 marking specification the format for the marking is: valpey-fisher model code date code t oscillator mtxxyy 100.00 frequency connections pad non-tristate models tristate models 1. not used floating or ?1?: oscillator runs ground or ?0?: disable or tristate 2. ground and case ground and case 3. output output 4. +3.3 v, v dd +3.3 v, v dd how to order for part number, put package type before model number, and add frequency in mhz, for example: t 7250 - 75m t is smd 7250 75m frequency t package is model type in mhz electrical specifications frequency 20 khz to 100mhz frequency stability includes calibration at 25c, operating temperature, change of input voltage, change of load, shock and vibration. min typ max units input voltage, v dd 3.0 3.3 3.6 volts input current 4.0 ma output all units, full range loads 3 tll loads, or 10lsttl loads, or 15 pf cmos rise and fall time ttl and lsttl from 0.4 to 2.4v 8 ns cmos, 15pf, from 0.4 to (v dd -0.4) v 8 ns cmos, 30pf, from 0.4 to (v dd -0.4) v 10 ns symmetry ttl and lsttl @ 1.4v 40/60 percent cmos @50% v dd 40/60 percent ag ing first year 3 ppm after first year 1 ppm/yr environmental specifications shock- 1000 gs, 0.35 ms, ? sine wave , 3 shocks in each plane vibration -10-2000 hz of .06? d.a. or 20gs, whichever is less humidity- resistant to 85 r.h. at 85c mechanical specifications gross leak -each unit checked in 125c fluorocarbon fine leak-mass spectrometer leak rate less than 2x10-8 atm, cc/sec of helium case -hermetically sealed ceramic package pads -60 microinch of gold over nickel marking -epoxy ink or laser inscribed resistance to solvents -mil std 202, method 215 t7250, t7254, t7256, t7258, t7001 thru t7013, t9250, t9254, t9256, t9258, t9301 thru t9313 extended temperature/cots 5x7 mm surface mount rev. 0706
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