Microchip Technology 25CSM04 4Mb SPI Serial EEPROMs

Microchip 25CSM04 4Mb SPI Serial EEPROMs comes with a Serial Peripheral Interface (SPI) and are capable of operation across a broad voltage range (2.5V to 5.5V). Each device is organized as one block of 524,288 bytes of 8-bits each (512 KByte). It includes a security register with a 128-bit unique serial number and a 256-byte (2048-bit) user-programmable lockable ID page, built-in ECC, and a configurable write protection scheme for all bytes. The Microchip 25CSM04 is optimized for use in consumer electronics, industrial, and medical applications where reliable and dependable nonvolatile memory storage is essential and is packaged in SOIC, DFN, and WLCSP purchase options.

Features

524,288 x 8-bit; page size of 256-bytes
Byte or sequential reads; byte or page writes
Self-timed write cycle (5ms maximum)
Security register featuring preprogrammed 128-bit serial number and 256-byte user-programmable lockable ID page
Built-in Error Correction Code (ECC) Logic with ECC Status bit via the STATUS register
JEDEC(R) SPI manufacturer Read ID support
High-speed clock frequency of 8MHz at V_CC > 3.0V; 5MHz at V_CC >2.5V
Legacy Write Protection Mode with a quarter, half, or entire array protection

Enhanced Software Write Protection Mode with user-definable partitions and each partition settable with unique protection behavior
Write current: 3.0mA at 5V; Read current: 3.0mA at 5V, 8MHz, Standby Current 1.0uA at 2.5V
More than one million erase/write cycles
Data retention > 100 years
ESD protection > 4000V
Industrial temp range

Microchip Technology 25CSM04 4Mb SPI Serial EEPROMs

Features

Block Diagram

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