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      Package Size: 7.0×5.0×1.3
      Frequency: 32.768
      Supply Voltage: 1.62V ~ 3.63V
      Temperature Range: -20℃ ~ +70℃, -40℃ ~ +85℃
      Output Leve: CMOS
      FEATURES: SPXO, Multi Voltage
      RoHS And Pb Free:
      Files Download:  Datasheet
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      Product details

      Feature

      • Tri-state function available
      • Tight symmetry available(45 to 55%)
      • Quick oscillation start up time(5mSec max.)
      • Low current consumption(90mA max.)
      • Tight temperature stability

      Application

      • Real Time Clock Reference
      • Internet of Things (IoT) devices
      • Smart meters
      • Audio, Video, Gaming products
      • Portable Electronics

      Overview

      7CKM is a small, small size 32.768KHz oscillator. This product can output clock signal stably under the standard operating temperature range of -40℃~+85℃ and the working condition of 1.62V~3.63V. It is suitable for application scenarios of real-time clock (RTC), Internet of Things (IOT) devices, smart meters and portable electronic products.

      Electrical Specifications

      Item

      Symb.

      Min.

      Typ.

      Max.

      Unit

      Notes

      Frequency Range

      Freq.


      32.768


      KHz


      Operating Temperature

      T_use

      -20


      +70


      -40


      +85


      Storage Temperature Range

      T_stg

      -55


      +125


      Supply Voltage

      Vdd

      1.62


      3.63

      V


      Output Load

      L_CMOS


      15


      pF


      Current Consumption

      Icc



      90

      μA

      No load condition,Vdd=3.0V

      Duty Cycle

      SYM

      45


      55

      %

      50 % Vdd level, L_CMOS ≤ 15 pF

      Rise / Fall Time

      TR / TF



      25

      nS

      10% Vdd to 90% Level

      Start-up Time

      T_str



      5

      mS

      To 90% of Final Amplitude

      High output voltage

      VOH

      0.9Vdd



      V


      Low output voltage

      VOL



      0.1Vdd

      V


      Enable Voltage High (Logic 1)

      VIH

      0.7Vdd



      V

      Output will be disable if OE is Logic 0

      Output will be enable if OE is Logic 1 or open

      Enable Voltage Low (Logic 0)

      VIL



      0.3Vdd

      V

      Aging

      f_age



      3

      ppm

      1st. Year at 25℃


      Frequency Stability & Operating Temperature Range

      Operating Temperature Range

      Frequency Stability

      ±20ppm

      ±25ppm

      ±30ppm

      ±50ppm

      -20℃ to +70℃

      -40℃ to +85℃


      Available    Conditional

      All condition*:Include 25℃ tolerance, operating temperature range , input voltage change,aging, load change.


      Mechanical Dimensions

      7CK.jpg


      Selection Guide

      Description of Requirement


      Select the required packaging specifications and product series:   7.0×5.0mm;7CKM Series    

      Select the desired frequency    32.768KHz     

      Select the required supply voltage   1.62~3.63V    

      Select the required frequency tolerance(at 25℃):   ±20ppm    

      Select the desired operating temperature range    -40℃~+85℃    

      Select the desired frequency and temperature characteristics:  ±30ppm     

      The product you need is 7CKM Series 32.768KHz 1.62~3.63V ±20ppm@25℃ ±30ppm@-40~+85℃     




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      Phone:0755-86097253