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Description:

The Microchip Technology Inc. 24AA52/24LCS52 (24XXX52*) is a 2 Kbit Electrically Erasable PROM capable of operation across a broad voltage range (1.8V to 5.5V). This device has a software write-protect feature for the lower half of the array, as well as an external pin that can be used to write-protect the entire array. The software write-protect feature is enabled by sending the device a special command. Once this feature has been enabled, it cannot be reversed. In addition to the software protect feature, there is a WP pin that can be used to write-protect the entire array, regardless of whether the software write-protect register has been written or not. This allows the system designer to protect none, half, or all of the array, depending on the application.

Features:

? Single Supply with Operation Down to 1.8V

? Low-Power CMOS Technology:

- 1 mA active current, typical

- 1 μA standby current, typical (I-temp)

? Organized as 1 Block of 256 Bytes (256 x 8)

? Software Write Protection for Lower 128 Bytes

? Hardware Write Protection for Entire Array

? 2-Wire Serial Interface Bus, I2C? Compatible

? Schmitt Trigger Inputs for Noise Suppression

? Output Slope Control to Eliminate Ground Bounce

? 100 kHz (24AA52) and 400 kHz (24LCS52) Compatibility

? Self-Timed Write Cycle (including auto-erase)

? Page Write Buffer for up to 16 Bytes

? ESD Protection > 4,000V

? 1,000,000 Erase/Write Cycles

? Data Retention > 200 Years

? 8-Lead PDIP, SOIC, TSSOP, MSOP, DFN and TDFN Packages

? Pb-Free Finishes Available

? Available for Extended Temperature Ranges:

- Industrial (I): -40°C to +85°C