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W49F002A - 256K x 8 CMOS Flash Memory

General Description

The W49F002A is a 2-megabit, 5-volt only CMOS flash memory organized as 256K × 8 bits.

The device can be programmed and erased in-system with a standard 5V power supply.

A 12-volt VPP is not required.

Key Features

  • Single 5-volt operations:.
  • 5-volt Read.
  • 5-volt Erase.
  • 5-volt Program Fast program operation:.
  • Byte-by-byte programming: 35 µS (typ. ) Fast erase operation: 100 mS (typ. ) Fast read access time: 120 nS Ten-year data retention Hardware data protection One 16K byte Boot Block with Lockout protection Typical page write (erase/program) cycles: 10.
  • 100 Two 8K byte parameter blocks.
  • Two main memory blocks (96K, 128K) Bytes Low p.

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Datasheet Details

Part number W49F002A
Manufacturer Winbond
File Size 251.55 KB
Description 256K x 8 CMOS Flash Memory
Datasheet download datasheet W49F002A Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Preliminary W49F002A 256K × 8 CMOS FLASH MEMORY GENERAL DESCRIPTION The W49F002A is a 2-megabit, 5-volt only CMOS flash memory organized as 256K × 8 bits. The device can be programmed and erased in-system with a standard 5V power supply. A 12-volt VPP is not required. The unique cell architecture of the W49F002A results in fast program/erase operations with extremely low current consumption (compared to other comparable 5-volt flash memory products). The device can also be programmed and erased using standard EPROM programmers. FEATURES • Single 5-volt operations: − 5-volt Read − 5-volt Erase − 5-volt Program Fast program operation: − Byte-by-byte programming: 35 µS (typ.) Fast erase operation: 100 mS (typ.