M24256-BW M24256-BR M24256-BF
M24256-DR M24256-DF
Features
â– Compatible with all I2C bus modes:
– 1 MHz
– 400 kHz
– 100 kHz
â– Memory array:
– 256 Kbit (32 Kbytes) of EEPROM
– Page size: 64 bytes
– Additional Write lockable page
(M24256-D order codes)
â– Single supply voltage and high speed:
– 1 MHz clock from 1.7 V to 5.5 V
â– Write:
– Byte Write within 5 ms
– Page Write within 5 ms
■Operating temperature range: from -40 °C up
to +85 °C
â– Random and sequential Read modes
â– Write protect of the whole memory array
â– Enhanced ESD/Latch-Up protection
â– More than 4 million Write cycles
â– More than 200-year data retention
â– Packages:
– RoHS compliant and halogen-free
(ECOPACK®)
256-Kbit serial I²C bus EEPROM
Datasheet − production data
TSSOP8 (DW)
169 mil width
SO8 (MN)
150 mil width
UFDFPN8
(MC)
WLCSP (CS)
December 2012
This is information on a product in full production.
Doc ID 6757 Rev 30
1/40
www.st.com
1