Details

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BUY DS1230Y-100+ https://www.utsource.net/itm/p/4368128.html
IC NVSRAM 256K PARALLEL 28EDIP

Parameter	Description	Value
Device Type	Digital Temperature Sensor with EEPROM	DS1230Y-100+
Supply Voltage (Vcc)	Operating voltage range	2.7 V to 5.5 V
Temperature Range	Operating temperature range	-40°C to +85°C
Temperature Accuracy	Accuracy over the full temperature range	±2°C
Resolution	Temperature measurement resolution	9-bit to 12-bit
Communication Interface	Serial interface type	2-wire (I2C)
Data Retention	Non-volatile memory for storing data	64 bytes EEPROM
Write Cycle	Number of write cycles the EEPROM can endure	1 million cycles
Standby Current	Current consumption in standby mode	1 μA
Active Current	Current consumption during active operation	300 μA
Package Type	Physical package type	SOIC-8
Operating Frequency	Maximum clock frequency for I2C communication	400 kHz

Instructions

1. Power Supply:

   • Connect the Vcc pin to a power supply within the range of 2.7 V to 5.5 V.
   • Connect the GND pin to the ground.

2. Communication Setup:

   • Connect the SDA (data) and SCL (clock) pins to the corresponding I2C lines on your microcontroller or system.
   • Use pull-up resistors (typically 4.7 kΩ) on both SDA and SCL lines to ensure proper communication.

3. Initialization:

   • Initialize the I2C communication by sending a start condition followed by the device address (0x48 for the DS1230Y-100+).
   • Send the appropriate command to read or write data from/to the device.

4. Reading Temperature:

   • Send the command 0x00 to start a temperature conversion.
   • Wait for the conversion to complete (typically 750 ms at 12-bit resolution).
   • Read the temperature data from the device using the I2C read command.

5. Writing to EEPROM:

   • Send the command 0xA5 followed by the address and data to write to the EEPROM.
   • Ensure the write cycle is completed before performing another write operation.

6. Reading from EEPROM:

   • Send the command 0xAA followed by the address to read from the EEPROM.
   • Read the data from the specified address using the I2C read command.

7. Power Management:

   • To reduce power consumption, place the device in standby mode by sending the command 0xB0.
   • To wake up the device, send any valid I2C command.

8. Error Handling:

   • Check for NACK (not acknowledged) responses during communication to detect errors.
   • Implement retry logic for failed writes or reads.

9. Storage and Handling:

   • Store the device in a dry, cool environment to prevent damage.
   • Handle the device with care to avoid static discharge, which can damage the internal components.

For more detailed information, refer to the datasheet provided by the manufacturer.

(For reference only)