Details

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BUY DS2430AP https://www.utsource.net/itm/p/419041.html
2561-Wire EEPROM

Parameter	Description
Device Type	1-Wire EEPROM with SHA-1 Engine
Package Type	SOIC-8
Operating Voltage	3.0V to 5.5V
Operating Temperature	-40°C to +85°C
Memory Size	256-bit EEPROM (32 bytes)
Data Retention	10 years
Write Endurance	1,000,000 cycles
1-Wire Communication	Supports 1-Wire protocol
SHA-1 Engine	On-chip secure hash algorithm for data integrity and authentication

Instructions:

1. Power Supply: Ensure the DS2430AP is powered within its specified operating voltage range of 3.0V to 5.5V.
2. Connection Setup: Connect the device using the 1-Wire protocol. Only one wire (plus ground) is required for communication.
3. Initialization: Before accessing memory or using the SHA-1 engine, initialize the 1-Wire bus by following the standard 1-Wire reset sequence.
4. Writing Data: Write operations involve selecting the device, issuing a write command, and then sending the data to be written into the EEPROM.
5. Reading Data: To read from the EEPROM, select the device, issue a read command, and then read back the desired number of bytes.
6. SHA-1 Usage: For using the SHA-1 engine, provide the input data to be hashed, and then retrieve the resulting hash value.
7. Error Handling: Monitor for any error conditions such as write protection or communication errors during operation.
8. Storage Conditions: Store the device in environments that do not exceed the specified temperature range to ensure longevity and reliability.

(For reference only)