The CAT25640 is a 64-kb Serial CMOS EEPROM device internally organized as 8kx8 bits. This features a 64-byte page write buffer and supports the Serial Peripheral Interface (SPI) protocol. The device is enabled through a Chip Select () input. In addition, the required bus signals are clock input (SCK), data input (SI) and data output (SO) lines. The input may be used to pause any serial communication with the CAT25640 device. The device features software and hardware write protection, including partial as well as full array protection.
Features
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20 MHz (5 V) SPI Compatible
1.8 V to 5.5 V Supply Voltage Range
SPI Modes (0,0) & (1,1)
64-byte Page Write Buffer
Self-timed Write Cycle
Hardware and Software Protection
Block Write Protection
\- Protect 1/4, 1/2 or Entire EEPROM Array
Low Power CMOS Technology
1,000,000 Program/Erase Cycles
100 Year Data Retention
Industrial and Extended Temperature Range
PDIP, SOIC, TSSOP 8-lead, TDFN and UDFN 8-pad Packages
This Device is Pb-Free, Halogen Free/BFR Free, and RoHS Compliant