Details

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BUY DS1306E+T https://www.utsource.net/itm/p/11655444.html

Parameter	Symbol	Min	Typ	Max	Unit	Description
Supply Voltage	VCC	2.0	-	5.5	V	Operating voltage range
Supply Current (Active)	ICC	-	200	-	μA	Current consumption in active mode
Supply Current (Shutdown)	ICC(SD)	-	1	-	μA	Current consumption in shutdown mode
Operating Temperature	Toper	-40	-	85	°C	Temperature range for normal operation
Clock Accuracy	Δf/f	-	±2	-	ppm	Frequency accuracy at 25°C
Output Frequency	fOUT	-	32.768	-	kHz	Output frequency of the crystal oscillator
Output Drive Capability	IOL	-	10	-	mA	Maximum output drive current (low level)
Output Drive Capability	IOH	-	-5	-	mA	Maximum output drive current (high level)
Shutdown Pin Input Low	VSD(L)	0	-	0.8	V	Voltage level for shutdown pin to be recognized as low
Shutdown Pin Input High	VSD(H)	2.0	-	VCC	V	Voltage level for shutdown pin to be recognized as high
Shutdown Pin Leakage	ISD	-	1	-	μA	Leakage current on the shutdown pin

Instructions for Using the DS1306E+T

1. Power Supply:

   • Connect the VCC pin to a power supply within the range of 2.0V to 5.5V.
   • Ensure that the ground (GND) pin is connected to the system ground.

2. Oscillator Operation:

   • The DS1306E+T includes a built-in 32.768 kHz crystal oscillator. No external crystal is required.
   • The oscillator will start automatically when power is applied.

3. Output Configuration:

   • The output pin (OUT) provides a 32.768 kHz square wave.
   • Ensure that the load connected to the output pin does not exceed the maximum drive capability (10 mA for low level, -5 mA for high level).

4. Shutdown Mode:

   • To enter shutdown mode, set the shutdown pin (SD) to a low logic level (0V to 0.8V).
   • In shutdown mode, the current consumption is reduced to approximately 1 μA.
   • To resume normal operation, set the shutdown pin to a high logic level (2.0V to VCC).

5. Temperature Considerations:

   • The device operates reliably within the temperature range of -40°C to +85°C.
   • For optimal performance, avoid exposing the device to temperatures outside this range.

6. Clock Accuracy:

   • The clock accuracy is specified as ±2 ppm at 25°C.
   • Temperature variations can affect the clock accuracy; refer to the datasheet for detailed temperature coefficients.

7. Handling and Storage:

   • Handle the device with care to avoid static damage.
   • Store the device in a dry, cool place to prevent moisture damage.

8. Schematic Example:

   • A typical application circuit might include decoupling capacitors (e.g., 0.1 μF) close to the VCC and GND pins to filter out noise.

By following these instructions, you can ensure reliable and efficient operation of the DS1306E+T.

(For reference only)