GENERAL DESCRIPTION

The MX29LV640BU is a 64-mega bit Flash memory organized as 4M bytes of 16 bits. MXICs Flash memories offer the most cost-effective and reliable read/write nonvolatile random access memory. The MX29LV640BU is packaged in 48-pin TSOP and 63-ball CSP. It is designed to be reprogrammed and erased in system or in standard EPROM programmers.

FEATURES

GENERAL FEATURES

? 4,194,304 x 16 byte structure

? One hundred twenty-eight Equal Sectors with 32K word each

- Any combination of sectors can be erased with erase suspend/resume function

? Sector Protection/Chip Unprotect

- Provides sector group protect function to prevent program or erase operation in the protected sector group

- Provides chip unprotect function to allow code changes

- Provides temporary sector group unprotect function for code changes in previously protected sector groups

? Secured Silicon Sector

- Provides a 128-word area for code or data that can be permanently protected.

- Once this sector is protected, it is prohibited to program or erase within the sector again.

? Single Power Supply Operation

- 2.7 to 3.6 volt for read, erase, and program operations

? Latch-up protected to 250mA from -1V to Vcc + 1V

? Low Vcc write inhibit is equal to or less than 1.5V

? Compatible with JEDEC standard

- Pinout and software compatible to single power supply Flash

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