AT24CS01 Datasheet, PDF (1/23 Pages) ATMEL Corporation – I2C-Compatible (2-wire) Serial EEPROM

Atmel AT24CS01 and AT24CS02
I²C-Compatible (2-wire) Serial EEPROM with a
Unique, Factory Programmed 128-bit Serial Number
1-Kbit (128 x 8), 2-Kbit (256 x 8)
PRELIMINARY DATASHEET
Standard Features
 Low-voltage operation
 V_CC = 1.7V to 5.5V
 Internally organized as 128 x 8 (1-Kbit) or 256 x 8 (2-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, 5.0V) compatibility
 Write Protect pin for hardware data protection
 8-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
8815A–SEEPR–6/12