actual size crystal oscillator s p ecifications ( characteristics ) item symbol specifications conditions / remarks pscm / cscm psbm / csbm pqem / cqem output frequency range f 0 3 mhz to 60 mhz 24 mhz to 30 mhz please contact us about available frequencies. supply voltage v cc 3.3 v 0.3 v 2.8 v 0.2 v 1.8 v 0.2 v storage temperature t_stg -40 ? c to +125 ? c storage as single product. operating temperature t_use as per below table frequency tolerance f_tol as per below table c : v c =1.65 v / b : v c =1.40 v / e : v c =0.90 v current consumption i cc 7 ma max. 6.2 ma max. 1.2 ma max. no load condition frequency control range f_cont s: 140 ? ? ? ? ? c, 5 years please keep v c pin open or ground while powering up v cc . product name vg-4231 ce 27.000000mhz c s c - m ( ?: se,qc,qb are not available) (standard form) ?? model package type frequency frequency tolerance / operating temperature frequency control range supply voltage input resistance (m: 5 m ? min.) * absolute pull range = frequency control range- (frequenc y tolerance + 5 years aging + free fall + vibration) external dimensions ? ( unit:mm ) ? ? ? foot p rint ( recommended ) ? ( unit:mm ) ? supply voltage e 1.8 v typ. b 2.8 v typ. c 3.3 v typ. ? frequency tolerance / operating temperature frequency control range ( absolute pull range*) cs c 30 10 -6 / - 20 to +70 c s 140 10 -6 min. (100 10 -6 min.) ps p 37 10 -6 / - 40 to +85 c s 140 10 -6 min. (95 10 -6 min.) cq c 30 10 -6 / - 20 to +70 c q 120 10 -6 min. (80 10 -6 min.) pq p 37 10 -6 / - 40 to +85 c q 120 10 -6 min. (75 10 -6 min.) voltage ?controlled crystal oscillator (vcxo) output : cmos vg - 4231ce ? frequency range : 3 mhz to 60 mhz ? supply voltage : 3.3 v (pscm / cscm) : 2.8 v (psbm / csbm) : 1.8 v (pqem / cqem) ? frequency control range : 140 10 -6 ( * scm / * sbm) : 120 10 -6 ( * qem) ? low current consumption : 1.0 ma typ. (27 mhz , 3.3 v) ? external dimensions : 3.2 2.5 1.05 mm 3.2 ? 0.2 e27.00p cm681a 2.5 ? 0.2 #1 #2 #4 #3 1.05 ? 0.15 2.2 #2 #3 0.9 0.9 #1 #4 0.7 pin map pin connection 1 v c 2 gnd 3 out 4 v cc 1.4 2.4 1.9 1.2 #1 #2 #3 #4 c (ex. 0.01 f) resist product number (please contact us) q3614ce00xxxx00 to maintain stable operation, provide a 0.01uf to 0.1uf by-pass capacitor at a location as near as possible to the power source terminal of the crystal product (between vcc - gnd).
promotion of environm ental management system conforming to international standards at seiko epson, all environmental initiatives operate under the plan-do-check-action (pdca) cycle designed to achieve continuous improvements. the environmental management system (ems) operates under the iso 14001 environmental management standard. all of our major manufacturing and non-manufacturing sites, in japan and overseas, completed the acquisition of iso 14001 certification. working for high quality in order provide high quality a nd reliable products and services than meet customer needs, seiko epson made early efforts towards obtaining iso9000 series certification and has acquired iso9001 for all business establishments in japan and abroad. we have also acquired iso/ts 16949 certification that is requested strongly by major automotive manufacturers as standard. ? explanation of the mark that are using it for the catalog ? pb free. ? complies with eu rohs directive. *about the products without the pb-free mark. contains pb in products exempted by eu rohs directive. (contains pb in sealing glass, high melting temperature type solder or other.) ? designed for automotive applications such as car multim edia, body electronics, remote keyless entry etc. ? designed for automotive applications related to drivi ng safety (engine control unit, air bag, esc etc ). seiko epson corporation notice ? this material is subjec t to change without notice. ? any part of this material may not be reproduced or duplicated in any form or any means without the written permission of seiko epson. ? the information about applied circuitry, software, usage, etc. wr itten in this material is intended for reference only. seiko epson does not assume any liability for the occurrence of infringing on any pat ent or copyright of a third party. this material does not a uthorize the licensing for any patent or intellectual copyrights. ? when exporting the products or technology described in this material, you should comp ly with the applicable export control law s and regulations and follow the procedures r equired by such laws and regulations. ? you are requested not to use the products (and any technical information furnished, if any) for the development and/or manufac ture of weapon of mass destruction or for other milit ary purposes. you are also requested that you would not make the products availabl e to any third party who may use the products for such prohibited purposes. ? these products are intended for general use in electronic equipment. when using them in s pecific applications that require ext remely high reliability, such as the applications stated below, y ou must obtain permission from seiko epson in advance. / space equipment (artificial satellites, rockets, etc.) / trans portation vehicles and related ( automobiles, aircraft, trains, vessels, etc.) / medical instruments to sustain life / submari ne transmitters / power stations and related / fire work equipmen t and security equipment / traffic control equipment / and others requiring equivalent reliability. ? all brands or product names mentioned herein are trademar ks and/or registered trademarks of their respective. iso 14000 is an international standard for environmental management that was established by the international standards organization in 1996 against the background of growing concern regarding global warming, destruction of the ozone layer, and global deforestation. iso/ts16949 is the international standard that added the sector-specific supplemental requirements for automotive industry based on iso9001.
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