24AA52,24LCS52 Data Sheet

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  24AA52/LCS52 Data Sheet


The Microchip Technology Inc. 24AA52 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. The device is organized as one block of 256 x 8-bit memory with a 2-wire serial interface. Low-voltage design permits operation down to 1.8V, with standby and active currents of only 1 μA and 1 mA, respectively. The 24AA52 also has a page write capability for up to 16 bytes of data. The 24AA52 is available in the standard 8-pin PDIP, surface mount SOIC, TSSOP, MSOP and DFN packages.
参数名称  数值
Density  2K bits (x8)
Max. Clock Freq.  400 kHz
Page Size (bytes)  16
Write Protect  Whole Array
Endurance  1,000,000
Op. Volt Range (V)  1.8 to 5.5
Temp Range (°C)  -40°C to +85°C  

     特性
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


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