E
4-MBIT SmartVoltage BOOT BLOCK FAMILY
CONTENTS
PAGE
PAGE
1.0 PRODUCT FAMILY OVERVIEW ....................5
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
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
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
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
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
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
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