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SG-645SCW Dataheets PDF



Part Number SG-645SCW
Manufacturers Seiko
Logo Seiko
Description CRYSTAL OSCILLATOR
Datasheet SG-645SCW DatasheetSG-645SCW Datasheet (PDF)

Crystal oscillator CRYSTAL OSCILLATOR (SPXO) OUTPUT : CMOS, TTL SG - 645 / SG - 636 series Frequency range : 2.21675 MHz to 135 MHz Supply voltage : 2.5 V Typ. / 3.3 V Typ. / 5.0 V Typ. Function : Output enable(OE) or Standby( ST ) External dimensions : 7.1 × 5.1 × 1.5 mm (t: Max.)···SG-645 10.5 × 5.8 × 2.7 mm (t: Max.)···SG-636 Product Number (please contact us) SG-645 : Q33645xx2xxxx00 SG-636 : Q33636xx2xxxx00 Actual size SG-645 series SG-636 series Specifications (characteris.

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Crystal oscillator CRYSTAL OSCILLATOR (SPXO) OUTPUT : CMOS, TTL SG - 645 / SG - 636 series Frequency range : 2.21675 MHz to 135 MHz Supply voltage : 2.5 V Typ. / 3.3 V Typ. / 5.0 V Typ. Function : Output enable(OE) or Standby( ST ) External dimensions : 7.1 × 5.1 × 1.5 mm (t: Max.)···SG-645 10.5 × 5.8 × 2.7 mm (t: Max.)···SG-636 Product Number (please contact us) SG-645 : Q33645xx2xxxx00 SG-636 : Q33636xx2xxxx00 Actual size SG-645 series SG-636 series Specifications (characteristics) Item Symbol Output frequency range Supply voltage Storage temperature Operating temperature Frequency tolerance Current consumption Disable current Stand-by current Symmetry Output voltage Output load condition (TTL) Output load condition (CMOS) Input voltage Rise time / Fall time Start-up time Frequency aging f0 VCC T_stg T_use f_tol ICC I_dis I_std SYM VOH VOL L_TTL L_CMOS VIH VIL tr / tf t_str f_aging SG-636 PTF 2.21675 MHz to 41.000 MHz 5.0 V 0.5 V 17 mA Max. 10 mA Max. 40 % to 60 % 45 % to 55 % 10 TTL Max. 50 pF Max. 2.0 V Min. 0.8 V Max. 7 ns Max. 5 ns Max. 4 ms Max. Specifications SG-636 PCE SG-636 SCE SG-636 PDE 2.21675 MHz 2.21675 MHz to 40.000 MHz to 40.000 MHz 3.3 V 0.3 V 2.5 V 0.25 V -55 C to +100 C -20 C to +70 C C: 100 × 10-6 9 mA Max. 5 mA Max. 5 mA Max. 3 mA Max. 2 A Max. - 45 % to 55 % - VCC-0.4 V Min. 0.4 V Max. - 30 pF Max. 15 pF Max. 80 % VCC Min. 20 % VCC Max. 5 ns Max. - 4 ms Max. 5  10-6 / year Max. Conditions / Remarks Please contact us about available frequencies. Storage as single product. -20 C to +70 C No load condition OE=GND ST =GND(SCE) CMOS load:50 % VCC level TTL load: 1.4 V level IOH=-8 mA(PTF) / -4 mA(SCE,PCE) / -3.2 mA(PDE) IOL=16 mA(PTF) / 4 mA(SCE,PCE) / 3.2 mA(PDE) L_CMOS  15 pF OE Terminal or ST Terminal (SCE) CMOS load:20 % VCC to 80 % VCC level TTL load:0.4 V to 2.4 V level Time at minimum supply voltage to be 0 s +25 C, VCC=5.0 V/3.3 V/2.5 V, First year Specifications (characteristics) Item Symbol SG-636 PTG Specifications SG-636 PHG SG-636 PCG SG-636 SCG Conditions / Remarks Output frequency range Supply voltage Storage temperature f0 VCC T_stg 2.21675 MHz to 33.000 MHz *1 4.5 V to 5.5 V 2.7 V to 3.6 V -55 C to +100 C Please contact us about available frequencies. Storage as single product. Operating temperature Frequency tolerance Current consumption Disable curren Stand-by current Symmetry Output voltage Output load condition Input voltage Rise time / Fall time T_use f_tol ICC I_dis I_std SYM VOH VOL L_CMOS VIH VIL tr / tf -20 C to +70 C B: 50  10-6 C: 100  10-6 25 mA Max. 12 mA Max. 20 mA Max. 10 mA Max. - 50 A Max. - 45 % to 55 % 40 % to 60 % - 2.4 V Min. - VCC-0.4 V Min. - VCC-0.4 V Min. - - 0.4 V Max. 0.4 V Max. - 25 pF Max. 2.0 V Min. 70 % VCC Min. 0.8 V Max. 20 % VCC Max. - 3.4 ns Max. 4 ns Max. 2.4 ns Max. - -20 C to +70 C No load condition OE=GND (PTG,PHG,PCG) ST =GND (SCG) 50 % VCC level, L_CMOS=2.


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