? Compatible with all I2C bidirectional data transfer protocol
? Memory array:
256 Kbits (32 Kbytes) of EEPROM
Page size: 64 bytes
Additional Write lockable page
? Single supply voltage and high speed:
1 MHz ? Random and sequential Read modes
? Write:
Byte Write within 3 ms
Page Write within 3 ms
Partial Page Writes Allowed
? Write Protect Pin for Hardware Data Protection
? Schmitt Trigger, Filtered Inputs for Noise Suppression
? High
reliability
Endurance: 1 Million Write Cycles
Data Retention: 100 Years
? Enhanced ESD/Latch
up protection
HBM 8000V
? 8-lead PDIP/SOP/TSSOP/UDFN packages

? Organization:
32K-bit x 8-bit
? 64-Byte Page Write Buffer
? Two-Wire Serial Interface
Bi-directional data transfer protocol
? Low Power CMOS Technology
Active Current less than 3 mA (5V)
Standby Current less than 6 μA (5V)
Standby Current less than 2 μA (2.5V)
? Wide Voltage Operation
IS24C256-2: Vcc = 1.8V to 5.5V
IS24C256-3: Vcc = 2.5V to 5.5V
? 1 MHz (I2 CTM Protocol) Compatibility
ADVANCED INFORMATION MARCH 2003
? Hardware Data Protection – Write Protect pin
? Sequential Read Feature
? Filtered Inputs for Noise Suppression
5 ms @ 5.0V
? High Reliability
Endurance: 100,000 Cycles
Data Retention: 40 Years
? Commercial and Industrial temperature ranges
? 8-pin PDIP, 8-pin SOIC, and 14-pin TSSOP
