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M29W400BT - 4 Mbit 512Kb x8 or 256Kb x16 / Boot Block Low Voltage Single Supply Flash Memory

Description

The M29W400B is a 4 Mbit (512Kb x8 or 256Kb x16) non-volatile memory that can be read, erased and reprogrammed.

These operations can be performed using a single low voltage (2.7 to 3.6V) supply.

On power-up the memory defaults to its Read mode where it can be read in the same way as a ROM or EPROM.

Features

  • Interface is disabled when the VCC Supply Voltage is less than the Lockout Voltage, VLKO. This prevents Bus Write operations from accidentally.

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Datasheet preview – M29W400BT

Datasheet Details

Part number M29W400BT
Manufacturer STMicroelectronics
File Size 146.08 KB
Description 4 Mbit 512Kb x8 or 256Kb x16 / Boot Block Low Voltage Single Supply Flash Memory
Datasheet download datasheet M29W400BT Datasheet
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Full PDF Text Transcription

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M29W400BT M29W400BB 4 Mbit (512Kb x8 or 256Kb x16, Boot Block) Low Voltage Single Supply Flash Memory s SINGLE 2.7 to 3.6V SUPPLY VOLTAGE for PROGRAM, ERASE and READ OPERATIONS ACCESS TIME: 55ns PROGRAMMING TIME – 10µs per Byte/Word typical 11 MEMORY BLOCKS – 1 Boot Block (Top or Bottom Location) – 2 Parameter and 8 Main Blocks 44 s s s s PROGRAM/ERASE CONTROLLER – Embedded Byte/Word Program algorithm – Embedded Multi-Block/Chip Erase algorithm – Status Register Polling and Toggle Bits – Ready/Busy Output Pin 1 TSOP48 (N) 12 x 20mm SO44 (M) s ERASE SUSPEND and RESUME MODES – Read and Program another Block during Erase Suspend Figure 1.
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