Details

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BUY 24LC32A-I/P https://www.utsource.net/itm/p/1727348.html
32K I2C Serial EEPROM

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Operating Voltage	VCC	Operating Range	1.8	-	5.5	V
Standby Current	ISTANDBY	VCC = 5.5V, VI = 0V	-	1	5	μA
Active Current	IACTIVE	VCC = 5.5V, 100 kHz, 1 MHz	1	-	3	mA
Write Current	IWRITE	VCC = 5.5V, 100 kHz, 1 MHz	3	-	5	mA
Read Current	IREAD	VCC = 5.5V, 100 kHz, 1 MHz	1	-	3	mA
Data Retention Time	tRETENTION	-	-	100	-	years
Write Cycle Time	tWC	-	5	-	-	ms
Page Write Time	tPW	-	5	-	-	ms
Access Time	tAA	-	0.35	-	-	μs
Operating Temperature	TOP	Industrial Grade	-40	-	85	°C
Storage Temperature	TSTORAGE	-	-65	-	150	°C
Memory Size	-	-	32	-	-	Kbits
Organization	-	-	4096 x 8	-	-	bits

Instructions for Using 24LC32A-I/P

1. Power Supply:

   • Ensure the operating voltage (V_CC) is within the range of 1.8V to 5.5V.
   • Connect the ground (GND) pin to the system ground.

2. Communication Protocol:

   • The 24LC32A-I/P uses the I₂C protocol for communication.
   • Connect the SDA (Serial Data) and SCL (Serial Clock) lines to the corresponding pins on your microcontroller or I₂C master device.
   • Use pull-up resistors (typically 4.7kΩ) on both SDA and SCL lines to ensure proper signal integrity.

3. Addressing:

   • The device has a 7-bit I₂C address. The default address is 1010000 (0x50 in hexadecimal).
   • The address can be modified using the A0, A1, and A2 pins, which can be tied to V_CC, GND, or left floating to set different addresses.

4. Reading Data:

   • Start the I₂C transaction by sending a start condition.
   • Send the device address with the read bit (R/W) set to 1.
   • The device will respond with an ACK.
   • Read the data bytes from the device.
   • Send a stop condition to end the transaction.

5. Writing Data:

   • Start the I₂C transaction by sending a start condition.
   • Send the device address with the write bit (R/W) set to 0.
   • The device will respond with an ACK.
   • Send the memory address where you want to write data.
   • The device will respond with an ACK.
   • Send the data bytes to be written.
   • The device will respond with an ACK after each byte.
   • Send a stop condition to end the transaction.

6. Write Protection:

   • The device does not have a hardware write protection pin.
   • Software write protection can be implemented by controlling access to the write commands in your application.

7. Data Retention:

   • The device retains data for up to 100 years under normal operating conditions.

8. Temperature Considerations:

   • Ensure the device operates within the temperature range of -40°C to 85°C for industrial applications.
   • Store the device between -65°C and 150°C.

9. Handling Static Electricity:

   • Handle the device with care to avoid damage from static electricity.
   • Use anti-static wrist straps and mats when handling the device.

By following these parameters and instructions, you can effectively integrate the 24LC32A-I/P EEPROM into your electronic projects.

(For reference only)