24AA256,24LC256,24FC256 Data Sheet
http://www.microchip.com/stellent/images/mchpsiteimages/dwnfolder.gif24AA256/24LC256/24FC256 Data SheetThe Microchip Technology Inc. 24AA256/24LC256/ 24FC256 (24XX256*) is a 32K x 8 (256 Kbit) Serial Electrically Erasable PROM, capable of operation across a broad voltage range (1.8V to 5.5V). It has been developed for advanced, low-power applications such as personal communications or data acquisition. This device also has a page write capability of up to 64 bytes of data. This device is capable of both random and sequential reads up to the 256K boundary. Functional address lines allow up to eight devices on the same bus, for up to 2 Mbit address space.
参数名称数值
Density256K bits (x8)
Max. Clock Freq.400 kHz
Page Size (bytes)64
Write ProtectWhole Array
Endurance1,000,000
Op. Volt Range (V)1.7 to 5.5
Temp Range (°C)-40°C to +85°C
特性
2-wire serial interface bus, I2C™ compatible
Cascadable for up to eight devices
Self-timed erase/write cycle
64-byte Page Write mode available
5 ms max. write cycle time
Hardware write-protect for entire array
Output slope control to eliminate ground bounce
Schmitt Trigger inputs for noise suppression
Electrostatic discharge protection > 4000V
Data retention > 200 years
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