Details

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BUY DS2433S https://www.utsource.net/itm/p/329240.html
4Kb 1-Wire EEPROM

Parameter	Description	Min	Typ	Max	Unit
VDD	Supply Voltage	2.8	-	5.5	V
IOL	Output Low Current	-	-	10	mA
IOH	Output High Current	-	-	-200	μA
ICC	Active Supply Current (1-Wire Search)	-	200	400	μA
ICC	Active Supply Current (Write Memory)	-	600	1200	μA
ICC	Active Supply Current (Read Memory)	-	100	200	μA
ICC	Standby Supply Current	-	1	5	μA
tPD	Propagation Delay	-	2	5	μs
tRST	Reset Recovery Time	-	480	960	μs
tREC	Recovery Time	-	1	10	μs
tSU	Setup Time	-	1	10	μs
tWH	Write High Time	-	60	120	μs
tWL	Write Low Time	-	60	120	μs
tRH	Read High Time	-	15	60	μs
tRL	Read Low Time	-	15	60	μs
tPP	Page Program Time	-	10	20	ms
tER	Erase Time	-	10	20	ms

Instructions for Using DS2433S

1. Power Supply:

   • Ensure the supply voltage (VDD) is within the range of 2.8V to 5.5V.
   • The device can operate with a wide range of supply currents depending on the operation mode.

2. 1-Wire Communication:

   • The DS2433S uses a 1-Wire protocol for communication.
   • Initialize the 1-Wire bus by sending a reset pulse and detecting the presence pulse.
   • Use the 1-Wire search algorithm to identify and communicate with multiple devices on the same bus.

3. Memory Operations:

   • Read Memory:
     • Send the READ MEMORY command (0xF0) followed by the memory address.
     • The device will respond with the data stored at the specified address.
   • Write Memory:
     • Send the WRITE SCRATCHPAD command (0x0F) followed by the memory address and data.
     • To commit the data to memory, send the COPY SCRATCHPAD command (0x55).
   • Erase Memory:
     • Send the ERASE MEMORY command (0xC7) to erase the entire memory.

4. Timing Considerations:

   • Ensure all timing parameters (tPD, tRST, tREC, tSU, tWH, tWL, tRH, tRL, tPP, tER) are adhered to for reliable operation.
   • Use appropriate delays between commands to avoid data corruption.

5. Standby Mode:

   • To minimize power consumption, put the device into standby mode when not in use.
   • The device will automatically enter standby mode after completing a read or write operation.

6. Handling and Storage:

   • Handle the device with care to avoid static damage.
   • Store the device in a dry, cool place away from direct sunlight and high humidity.

For detailed programming and application notes, refer to the DS2433S datasheet provided by the manufacturer.

(For reference only)