„ Description

LR24C128/LR24C256 provides 131,072/262,144 bits ofserial electrically erasable and programmable read-only memory(EEPROM) organized as 16,384/32,768 words of 8 bits each. The device is optimized for usein many industrial and commercial applications where low-power and low-voltage operations are essential. The LR24C128/LR24C256 is available in space-saving8-lead PDIP, 8-lead SOP, and 8-lead TSSOP packages and is accessed via a two-wire serial interface.

Features

• Two-wire Serial Interface

• VCC = 1.8V to 5.5V

• Bi-directional Data Transfer Protocol

• Internally Organized

   LR24C128,  16,384 X8 (128K bits)

   LR24C256,  32,768 X8 (256K bits)

• 400 kHz (1.8V, 2.7V, 5V) Compatibility

• 64-byte Page (128K/256K) Write Modes

• Partial Page Writes Allowed

• Self-timed Write Cycle (5 ms max)

• High-reliability

• 1 Million Write Cycles guaranteed

• Data Retention > 100 Years

• Operating Temperature: -40 to +85

• 8-lead PDIP, 8-lead SOP and 8-lead TSSOP Packages