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
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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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