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Description

The Atmel? AT93C56B/66B provides 2,048/4,096 bits of Serial Electrically Erasable Programmable Read-Only Memory (EEPROM) organized as 128/256 words of 16 bits each (when the ORG pin is connected to VCC) and 256/512 words of 8 bits each (when the ORG pin is tied to ground). The device is optimized for use in many industrial and commercial applications where low-power and low-voltage operations are essential. The AT93C56B/66B is available in space-saving 8-lead JEDEC SOIC, 8-lead TSSOP, 8-pad UDFN, 8-pad XDFN, and 8-ball VFBGA packages.

Features

● Low-voltage Operation

? VCC = 1.7V to 5.5V

● User-selectable Internal Organization

? 2K: 256 x 8 or 128 x 16

? 4K: 512 x 8 or 256 x 16

● 3-wire Serial Interface

● Sequential Read Operation

● 2MHz Clock Rate (5V)

● Self-timed Write Cycle (5ms Max)

● High Reliability

? Endurance: 1,000,000 Write Cycles

? Data Retention: 100 Years

● 8-lead JEDEC SOIC, 8-lead TSSOP, 8-pad UDFN, 8-pad XDFN, and

8-ball VFBGA packages