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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	℃
Operating Temperature	T_use	-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
Operating Temperature Range	±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**

**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℃

Products

7CKM

Product details

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