Two-wire Serial, Electrically Erasable and Programmable Read-only Memory  512K (65,536 x 8)
Atmel AT24C512C  with Three Device Address Inputs

Features
? Low-voltage and standard-voltage operation
– M for VCC from 1.7V to 3.6V
– D for VCC from 2.5V to 5.5V
? Internally organized 65,536 x 8
? Two-wire serial interface
? Schmitt triggers, filtered inputs for noise suppression
? Bidirectional data transfer protocol
? 1MHz (2.5V, 5.5V), 400kHz (1.7V) compatibility
? Write protect pin for hardware and software data protection
? 128-byte page write mode (partial page writes allowed)
? Self-timed write cycle (5ms max)
? High reliability
– Endurance: 1,000,000 write cycles
– Data retention: 40 years
? Lead-free/halogen-free devices
? 8-lead JEDEC SOIC, 8-lead EIAJ SOIC, 8-lead TSSOP, 8-lead UDFN, and
8-ball VFBGA packages
? Die sales: wafer form, waffle pack and bumped die

Description
The Atmel
? AT24C512C provides 524,288 bits of serial, electrically erasable and

program-
mable read-only memory (EEPROM) organized as 65,536 words of eight bits

each. The
device’s cascadable feature allows up to eight devices to share a common

two-wire bus.
The device is optimized for use in many industrial and commercial

applications where low-
power and low-voltage operation are essential. The devices are available in

space-saving 8-
lead JEDEC SOIC, 8-lead EIAJ SOIC, 8-lead TSSOP, 8-lead UDFN, and 8-ball

VFBGA pack-
ages. The M voltage range devices operate from 1.7V to 3.6V.  The D voltage

range devices
operate from 2.5V to 5.5V.

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