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S25FL004A Datasheet Flash Memory

Manufacturer: Spansion (now Infineon)

Overview: .. S25FL Family (Serial Peripheral Interface) S25FL004A 4-Megabit CMOS 3.0 Volt Flash Memory with 50 Mhz SPI Bus Interface ADVANCE INFORMATION Notice to Readers: The Advance Information status indicates that this document contains information on one or more products under development at Spansion LLC. The information is intended to help you evaluate this product. Do not design in this product without contacting the factory. Spansion LLC reserves the right to change or discontinue work on this proposed product without notice. Publication Number S25FL004A Revision A Amendment 1 Issue Date March 28, 2005 Notice On Data Sheet Designations Spansion LLC issues data sheets with Advance Information or Preliminary designations to advise readers of product information or intended specifications throughout the product life cycle, including development, qualification, initial production, and full production. In all cases, however, readers are encouraged to verify that they have the latest information before finalizing their design.

General Description

s of Spansion data sheet designations are presented here to highlight their presence and definitions.

Advance Information The Advance Information designation indicates that Spansion LLC is developing one or more specific products, but has not mitted any design to production.

Information presented in a document with this designation is likely to change, and in some cases, development on the product may discontinue.

Key Features

  • Memory Protection.
  • W# pin works in conjunction with Status Register Bits to protect specified memory areas.
  • Status Register Block Protection bits (BP2, BP1, BP0) in status register configure parts of memory as readonly.
  • Software Features.
  • SPI Bus Compatible Serial Interface Publication Number S25FL004A_00 Revision A Amendment 1 Issue Date March 28, 2005 A d v a n c e I n f o r m a t i o n General.

S25FL004A Distributor