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28F128L18

Intel StrataFlash® Wireless Memory (L18)

Intel 

Intel StrataFlash® Wireless Memory (L18)

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Introduction

This document provides information about the Intel StrataFlash® wireless memory device (L18).

This document describes the device features, operation, and specifications.

Nomenclature

1.8 V: range of 1.7 V – 2.0 V (except where noted)

1.8 V Extended Range: range of 1.35 V – 2.0 V

VPP = 9.0 V: VPP voltage range of 8.5 V – 9.5 V

Block: A group of bits, bytes or words within the flash memory array that erase simultaneously

when the Erase command is issued to the device. The Intel StrataFlash® Wireless Memory (L18)

has two block sizes: 16-Kword, and 64-Kword.

Main block: An array block that is usually used to store code and/or data. Main blocks are larger

than parameter blocks.

Parameter block: An array block that is usually used to store frequently changing data or small

system parameters that traditionally would be stored in EEPROM.

Top parameter device: Previously referred to as a top-boot device, a device with its parameter

partition located at the highest physical address of its memory map. Parameter blocks within a

parameter partition are located at the highest physical address of the parameter partition.

Bottom parameter device: Previously referred to as a bottom-boot device, a device with its

parameter partition located at the lowest physical address of its memory map. Parameter blocks

within a parameter partition are located at the lowest physical address of the parameter partition.

Partition: A group of blocks that share common program/erase circuitry. Blocks within a partition

also share a common status register. If any block within a partition is being programmed or erased,

only status register data (rather than array data) is available when any address within that partition

is read.

Main partition: A partition containing only main blocks.

Parameter partition: A partition containing parameter blocks and main blocks.

Acronyms

CUI: Command User Interface

MLC: Multi-Level Cell

OTP: One-Time Programmable

PLR: Protection Lock Register

PR: Protection Register

Datasheet

Intel StrataFlash® Wireless Memory (L18)

Order Number: 251902, Revision: 009

April 2005

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