E
28F200B5, 28F004/400B5, 28F800B5
CONTENTS
PAGE
PAGE
4.2 Power-Up/Down Operation........................ 25
4.2.1 RP# Connected To System Reset ...... 25
4.3 Board Design............................................. 25
4.3.1 Power Supply Decoupling................... 25
4.3.2 VPP Trace on Printed Circuit Boards ... 25
1.0 INTRODUCTION..............................................5
1.1 Product Overview.........................................5
2.0 PRODUCT DESCRIPTION..............................6
2.1 Pin Descriptions ...........................................6
2.2 Pinouts.........................................................8
2.3 Memory Blocking Organization...................10
2.3.1 One 16-KB Boot Block.........................10
2.3.2 Two 8-KB Parameter Blocks................10
5.0 ELECTRICAL SPECIFICATIONS................. 26
5.1 Absolute Maximum Ratings....................... 26
5.2 Operating Conditions................................. 26
5.3 Capacitance .............................................. 27
2.3.3 Main Blocks - One 96-KB + Additional
128-KB Blocks....................................10
5.4 DC Characteristics—Commercial and
Extended Temperature............................. 27
3.0 PRINCIPLES OF OPERATION .....................13
3.1 Bus Operations ..........................................13
3.1.1 Read....................................................13
3.1.2 Output Disable.....................................14
3.1.3 Standby ...............................................14
3.1.4 Word/Byte Configuration......................14
3.1.5 Deep Power-Down/Reset ....................14
3.1.6 Write....................................................14
3.2 Modes of Operation....................................16
3.2.1 Read Array ..........................................16
3.2.2 Read Identifier .....................................16
3.2.3 Read Status Register...........................16
3.2.4 Word/Byte Program.............................17
3.2.5 Block Erase .........................................17
3.3 Boot Block Locking.....................................24
3.3.1 VPP = VIL for Complete Protection........24
3.3.2 WP# = VIL for Boot Block Locking........24
5.5 DC Characteristics—Automotive
Temperature............................................. 29
5.6 AC Characteristics—Read Operations—
Commercial and Extended Temperature .. 34
5.7 AC Characteristics—Read Operations—
Automotive Temperature .......................... 35
5.8 Erase and Program Timings—Commercial
and Extended Temperature...................... 36
5.9 Erase and Program Timings—Automotive
Temperature............................................. 37
5.10 AC Characteristics—Write Operations—
Commercial and Extended Temperature .. 38
5.11 AC Characteristics—Write Operations—
Automotive Temperature .......................... 39
6.0 ORDERING INFORMATION......................... 41
7.0 ADDITIONAL INFORMATION...................... 42
APPENDIX A: Write State Machine: Current-
Next State Chart ......................................... 43
3.3.3 RP# = VHH or WP# = VIH for Boot Block
Unlocking ...........................................24
APPENDIX B: Product Block Diagram............. 44
3.3.4 Note For 8-Mbit 44-PSOP Package.....24
4.0 DESIGN CONSIDERATIONS........................24
4.1 Power Consumption...................................24
4.1.1 Active Power .......................................24
4.1.2 Automatic Power Savings (APS) .........24
4.1.3 Standby Power ....................................25
4.1.4 Deep Power-Down Mode.....................25
3
PRELIMINARY