1.0 INTRODUCTION .............................................5
2.0 3 VOLT ADVANCED BOOT BLOCK
OVERVIEW ....................................................5
2.1 2.7 V–3.6 V Operation..................................5
2.2 Enhanced Parameter Blocking .....................5
2.3 Erase Suspend ............................................7
2.4 Program Suspend ........................................7
2.5 1.8 V I/O Capability ......................................7
3.0 SmartVoltage AND 3 VOLT ADVANCED
BOOT BLOCK COMPATIBILITY ...................7
3.1 Pinout...........................................................7
3.2 Device ID .....................................................8
3.3 5 Volt/12 Volt Operation ...............................8
3.4 Block Locking...............................................8
3.5 AC/DC Characteristics .................................9
3.5.1 DC Specifications
(VCCQ = 2.7 V–3.6 V)............................9
3.5.2 DC
(VCCQ = 1.8 V–2.2 V)............................9
3.5.3 AC Read Specifications.......................10
3.5.4 AC Write Specifications .......................10
3.6 Reset Operations .......................................11
4.0 CONCLUSION...............................................11
APPENDIX A: Block Mapping of SmartVoltage
and Advanced Boot Block Flash Memory .12
APPENDIX B: Additional Information ...............14
FIGURES
Figure 1. Blocking for the 8-Mbit Advanced
Boot Block ..........................................6
Figure 2. 48-Lead TSOP Jumper Option for
VPP, BYTE# and VCCQ ........................8
Figure 3. AC Waveform: Deep Power-Down /
Reset Operation................................11
TABLES
Table 1. Pinout Differences for 48-Lead TSOP..7
Table 2. BYTE# and VCCQ Jumper Options.......8
Table 3. SmartVoltage and Advanced Boot
Block Device IDs .................................8
Table 4. SmartVoltage and Advanced Boot
Block 2.7 V–3.6 V Spec Differences ....9