E28F004BVT80 datasheet(3/57 Pages) INTEL

3 / 57 page

4-MBIT SmartVoltage BOOT BLOCK FAMILY

PRELIMINARY

CONTENTS

PAGE

1.0 PRODUCT FAMILY OVERVIEW .................... 5

1.1 New Features in the SmartVoltage

Products ..................................................... 5

1.2 Main Features.............................................. 5

1.3 Applications ................................................. 7

1.4 Pinouts......................................................... 7

1.5 Pin Descriptions ......................................... 11

2.0 PRODUCT DESCRIPTION............................ 13

2.1 Memory Blocking Organization .................. 13

2.1.1 Boot Block........................................... 13

2.1.2 Parameter Blocks................................ 13

2.1.3 Main Blocks......................................... 13

3.0 PRODUCT FAMILY PRINCIPLES OF

OPERATION ................................................ 15

3.1 Bus Operations .......................................... 15

3.2 Read Operations........................................ 15

3.2.1 Read Array.......................................... 15

3.2.2 Intelligent Identifiers ............................ 17

3.3 Write Operations ........................................ 17

3.3.1 Command User Interface (CUI) ........... 17

3.3.2 Status Register ................................... 20

3.3.3 Program Mode .................................... 21

3.3.4 Erase Mode......................................... 21

3.4 Boot Block Locking .................................... 22

3.4.1 VPP = VIL for Complete Protection ....... 22

3.4.2 WP# = VIL for Boot Block Locking ....... 22

3.4.3 RP# = VHH or WP# = VIH forr Boot Block

Unlocking ........................................... 22

3.4.4 Upgrade Note for 8-Mbit 44-PSOP

Package............................................. 22

3.5 Power Consumption................................... 26

3.5.1 Active Power ....................................... 26

3.5.2 Automatic Power Savings (APS) ......... 26

3.5.3 Standby Power .................................... 26

3.5.4 Deep Power-Down Mode..................... 26

3.6 Power-Up/Down Operation......................... 26

3.6.1 RP# Connected to System Reset ........ 26

3.6.2 VCC, VPP and RP# Transitions .............27

3.7 Power Supply Decoupling .......................... 27

3.7.1 VPP Trace on Printed Circuit Boards....27

4.0 ABSOLUTE MAXIMUM RATINGS................ 28

5.0 COMMERCIAL OPERATING CONDITIONS . 29

5.1 Applying VCC Voltages ...............................29

5.2 DC Characteristics ..................................... 30

5.3 AC Characteristics ..................................... 34

6.0 EXTENDED OPERATING CONDITIONS ...... 44

6.1 Applying VCC Voltages ...............................44

6.2 DC Characteristics ..................................... 45

6.3 AC Characteristics ..................................... 51

APENDIX A: Additional Information ................. 56

APPENDIX B: Additional Information............... 57

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