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Description

The CAT25010/20/40 are 1?Kb/2?Kb/4?Kb Serial CMOS EEPROM devices internally organized as 128x8/256x8/512x8 bits. They feature a 16?byte page write buffer and support the Serial Peripheral Interface (SPI) protocol. The device is enabled through a Chip Select (CS) input. In addition, the required bus signals are a clock input (SCK), data input (SI) and data output (SO) lines. The HOLD input may be used to pause any serial communication with the CAT25010/20/40 device. These devices feature software and hardware write protection, including partial as well as full array protection.

Features

? 20 MHz (5 V) SPI Compatible

? 1.8 V to 5.5 V Supply Voltage Range

? SPI Modes (0,0) & (1,1)

? 16?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 and UDFN 8?Pad Packages

? These Devices are Pb?Free, Halogen Free/BFR Free, and RoHS

Compliant