Description

The Atmel? AT24CS04 and AT24CS08 provides 4096/8192 bits of Serial Electrically Erasable and Programmable LButtonRead-only Memory (EEPROM) organized as 512/1024 words of eight bits each. The device is optimized for use in many industrial and commercial applications where low-power and low-voltage operation are essential. The AT24CS04/08 is available in space-saving, 8-lead JEDEC SOIC, 8-lead TSSOP, 8-pad UDFN and 5-lead SOT23 packages and is accessed via a 2-wire serial interface. In addition, both devices fully operate from 1.7V to 5.5V VCC.

Standard Features

? Low-voltage operation

? VCC = 1.7V to 5.5V

? Internally organized as 512 x 8 (4-Kbit) or 1024 x 8 (8-Kbit)

? I2C-compatible (2-wire) serial interface

? Schmitt Trigger, filtered inputs for noise suppression

? Bidirectional data transfer protocol

? 400kHz (1.7V) and 1MHz (2.5V, 2.7, 5.0V) compatibility

? Write Protect pin for hardware data protection

? 16-byte page write mode

? Partial page writes allowed

? Self-timed write cycle (5ms max)

? High-reliability

? Endurance: 1,000,000 write cycles

? Data retention: 100 years

? Green package options (Pb/Halide-free/RoHS-compliant)

? 8-lead JEDEC SOIC, 8-lead TSSOP, 8-pad UDFN, and 5-lead SOT23

? Die sale options: wafer form and tape and reel available

Enhanced Features in the CS Serial EEPROM Series

? All standard features supported

? 128-bit unique factory-programmed serial number

? Permanently locked, read-only value

? Stored in a separate memory area

? Guaranteed unique across entire CS Series of Serial EEPROMs