M39432-12VNC1T Datasheet

Single Chip 4 Mbit Flash Memory and 256 Kbit Parallel EEPROM


The M39432 is a single supply voltage memory device combining Flash memory and EEPROM on a single chip. The memory is mapped in two blocks: 4 Mbit of Flash memory and 256 Kbit of EEPROM. Each block operates independently during a Write cycle: in concurrent mode, the Flash Memory can be read while the EEPROM is being written.

■Multiple Memories on a Single Chip:
– 4 Mbit Flash Memory (organised as 8 sectors)
– 256 Kbit EEPROM
– 64 Byte One Time Programmable Memory
■CONCURRENT Mode (Read Flash while
writing to EEPROM)
■2.7V to 3.6V Single Supply Voltage for
PROGRAM, ERASE and READ Operations
■100 ns Access Time (Flash and EEPROM blocks)
■Low Power Consumption
–60µA Stand-by mode (maximum)
– Deep Power Down mode: 6µA (maximum), 200 nA (typical)
■Standard Flash Memory Package
■100,000 Erase/Write Cycles (minimum)
■10 Year Data Retention (minimum)



Manufacturer information


STMicroelectronics is a global independent semiconductor company and is a leader in developing and delivering semiconductor solutions across the spectrum of microelectronics applications. An unrivaled combination of silicon and system expertise, manufacturing strength, Intellectual Property (IP) portfolio and strategic partners positions the Company at the forefront of System-on-Chip (SoC) technology and its products play a key role in enabling today's convergence trends

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