Details

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BUY RTC-72421A https://www.utsource.net/itm/p/12610534.html

Parameter	Description	Value	Unit
Supply Voltage	Operating voltage range	1.6 to 5.5	V
Current Consumption	Typical current consumption in active mode	230	nA
Frequency	Output frequency of the clock signal	32.768	kHz
Temperature Range	Operating temperature range	-40 to +85	掳C
Package Type	Type of package	SOT-23-5
Load Capacitance	Recommended load capacitance for crystal	6	pF
Accuracy	Maximum deviation from nominal frequency	卤20	ppm

Instructions for RTC-72421A

1. Power Supply Connection:

   • Connect the supply voltage (Vcc) between 1.6V and 5.5V to pin 1.
   • Ground (GND) should be connected to pin 5.

2. Clock Output Configuration:

   • The 32.768 kHz output is available on pin 2 (XOUT). Ensure that the load capacitance is set to 6 pF for optimal performance.

3. Crystal Connection:

   • Connect an external 32.768 kHz crystal between pins 3 (X1) and 4 (X2).

4. Operating Temperature:

   • The device is designed to operate within a temperature range of -40掳C to +85掳C. Ensure that the operating environment stays within these limits to maintain accuracy.

5. Current Consumption:

   • The device consumes approximately 230 nA in active mode, making it suitable for low-power applications.

6. Mounting Orientation:

   • Follow standard mounting procedures for SOT-23-5 packages. Ensure proper orientation to avoid damage or malfunction.

7. Handling Precautions:

   • Handle with care to avoid electrostatic discharge (ESD), which can damage the component. Use appropriate ESD protection measures during handling and installation.

(For reference only)