DS24B33+T&R

The DS24B33+T&R is a 1-wire 4KB EEPROM in 3 pin TO-92 package. This 4096bit non-volatile EEPROM is organized as 16 memory pages of 256bits each. Data is written to a 32byte scratchpad, verified and then copied to the EEPROM memory. The DS24B33 communicates over a single conductor 1-wire bus. The communication follows the standard 1-wire protocol. Each device has its own unalterable and unique 64bit registration number that is factory programmed into the chip ensures error free device selection and absolute part identity. The registration number is used to address the device in a multidrop 1-wire net environment. The DS24B33 is software compatible to DS2433 device. It is used in board identification, storage of calibration constants and product revision status.

• Supply voltage range from 2.8V to 5.25V
• Operating temperature range from -40°C to 85°C
• Read and write access is highly backward compatible to DS2433 device
• 256bit scratchpad with strict read/write protocols ensures integrity of data transfer
• Switchpoint hysteresis to optimize performance in the presence of noise
• Communicates to host at 15.4Kbps or 125Kbps using 1-wire protocol
• Low cost through hole package
• IEC 1000-4-2 level 4 ESD protection (±8KV contact, ±15KV air, typical) for IO pin
• Recovery time is 5μs (standard speed) and 2μs (overdrive speed)

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Embedded Design & Development

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