This document states the current technical specifications regarding the Spansion product(s) described herein. The Preliminary status of this document indicates that product qual-

ification has been completed, and that initial production has begun. Due to the phases of the manufacturing process that require maintaining efficiency and quality, this document

may be revised by subsequent versions or modifications due to changes in technical specifications.

Publication Number S25FL040A_00

Revision B0

Issue Date August 31, 2006

Distinctive Characteristics

Architectural Advantages

Single power supply operation

– Full voltage range: 2.7 to 3.6 V read and program operations

Memory Architecture

– 4Mb uniform 64KB sector product: Backward compatible with

S25FL004A 4Mb device; same pin out, command set and uniform

sector size (64KB)

– 4Mb small sector product: Offer Top Boot & Bottom Boot devices;

Seven sectors of 64KB and One 64KB sector (Top or bottom)

broken into two sectors of 16KB each, two sectors of 4KB each, and

two sectors of 12KB each.

Program

– Page Program (up to 256 bytes) in 1.5 ms (typical)

– Program operations are on a page by page basis

Erase

– 0.5 s typical sector erase time

– 3 s typical bulk erase time

Cycling Endurance

– 100,000 cycles per sector typical

Data Retention

– 20 years typical

Device ID

– JEDEC standard two-byte electronic signature

– RES command one-byte electronic signature for backward

compatibility

Process Technology

– Manufactured on 0.20 µm MirrorBit

Package Option

– Industry Standard Pinouts

– 8-pin SO package (150 mils)

– 8-pin SO package (208 mils)

– 8-Contact WSON Package (5 x 6 mm)

Performance Characteristics

Speed

– 50 MHz clock rate (maximum)

Power Saving Standby Mode

– Standby Mode 20 µA (max)

– Deep Power Down Mode 1.5 µA (typical)

Memory Protection 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 read-only

Software Features

– SPI Bus Compatible Serial Interface

S25FL040A

4 Megabit CMOS 3.0 Volt Flash Memory

with 50MHz SPI (Serial Peripheral Interface) Bus

and Small Sector for Boot and Parameter Storage

Data Sheet (Preliminary)