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Am29F400AB - 4 Megabit CMOS 5.0 Volt-only Sector Erase Flash Memory

Description

The Am29F400A is a 4 Mbit, 5.0 Volt-only Flash memory organized as 512 Kbytes of 8 bits each or 256 Kwords of 16 bits each.

The 4 Mbits of data is divided into 11 sectors of one 16 Kbyte, two 8 Kbyte, one 32 Kbyte, and seven 64 Kbytes, for flexible erase capability.

Features

  • a sector erase architecture. This allows for sectors of memory to be erased and reprogrammed without affecting the data contents of other sectors. A sector is typically erased and verified within 1.5 seconds. The Am29F400A is erased when shipped from the factory. The Am29F400A device also features hardware sector protection. This feature will disable both program and erase operations in any combination of eleven sectors of memory. AMD has implemented an Erase Suspend feature that enables the user.

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Datasheet preview – Am29F400AB

Datasheet Details

Part number Am29F400AB
Manufacturer AMD
File Size 136.63 KB
Description 4 Megabit CMOS 5.0 Volt-only Sector Erase Flash Memory
Datasheet download datasheet Am29F400AB Datasheet
Additional preview pages of the Am29F400AB datasheet.

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Other Datasheets by AMD
  • Am29F400AT - 4 Megabit CMOS 5.0 Volt-only Sector Erase Flash Memory
  • AM29F400B - 4 Megabit (512 K x 8-Bit/256 K x 16-Bit) CMOS 5.0 Volt-only Boot Sector Flash Memory
  • Am29F400T - 4 Megabit (512 K x 8-Bit/256 K x 16-Bit) CMOS 5.0 Volt-only Boot Sector Flash Memory
  • Am29F002NB - 2 Megabit CMOS 5.0 Volt-only Sector Architecture Flash Memory
  • Am29F002NT - 2 Megabit CMOS 5.0 Volt-only Sector Architecture Flash Memory
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  • Am29F016D - 16 Megabit Uniform Sector Flash Memory
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Full PDF Text Transcription

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PRELIMINARY Am29F400AT/Am29F400AB 4 Megabit (524,288 x 8-Bit/262,144 x 16-Bit) CMOS 5.0 Volt-only, Sector Erase Flash Memory DISTINCTIVE CHARACTERISTICS s 5.0 V ± 10% for read and write operations — Minimizes system level power requirements s Compatible with JEDEC-standards — Pinout and software compatible with single-power-supply flash — Superior inadvertent write protection s Package options — 44-pin SO — 48-pin TSOP s Minimum 100,000 write/erase cycles guaranteed s High performance — 60 ns maximum access time s Sector erase architecture — One 16 Kbyte, two 8 Kbytes, one 32 Kbyte, and seven 64 Kbytes — Any combination of sectors can be erased. Also supports full chip erase. s Sector protection — Hardware method that disables any combination of sectors from write or erase operations.
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