1.0. INTRODUCTION............................................ 5
2.0. WHAT ARE INTEL? 3 VOLT AND 5 VOLT
MEMORY DEVICES? .................................... 5
3.0. ADVANTAGES OF DESIGNING WITH
INTEL? 3 VOLT AND 5 VOLT FlashFile?
MEMORIES.................................................... 5
3.1. Pinout Compatible Density Upgrades ......... 5
3.2. SmartVoltage Technology........................... 6
3.3. Low Power Consumption............................ 6
3.4. Enhanced Data Protection .......................... 6
3.5. Advanced Interrupt Functionality ................ 6
3.6. Intel’s Complete Design Support................. 6
4.0. DEVELOPING MULTI-SOURCED DESIGNS 8
4.1. Techniques in Address/Data Latching ........ 8
4.2. AC Write Specification Differences ............. 9
4.3. Implement Manufacturer Identifier Changes9
4.4. Pinout Differences .................................... 12
4.5. Implement Switchable Command Sets ..... 12
4.6. Implement Command Completion Changes13
5.0. SUMMARY................................................... 13
FIGURES
Figure 1. Intel? 3 Volt and 5 Volt FlashFile?
Memory Family Features a Package
and Pinout-Compatible Upgrade Path 6
Figure 2. Differences in Flash Address and Data
Write Cycle Latch Operation............... 8
Figure 3. Adding a Simple Intel Identifier Check
Enables Broader Memory Sourcing.. 10
Figure 4. Easy Multi-Sourced Designs by
Routing of VPP Line for 40-Lead TSOP11
Figure 5. Easy Multi-Sourced Designs by
Routing of VPP Line for 44-Lead
PSOP............................................... 11
Figure 6. An Easy Multi-Site Layout for Intel’s
4-, 8- and 16-Mbit 40-Lead TSOP
Devices with AMD’s 4-Mbit 32-Lead. 12
TABLES
Table 1. Comparison of Package Offering ......... 5
Table 2. Comparison of Specifications Offered
by Intel and AMD.................................7
Table 3. Comparison of Features Offered by
Intel and AMD .....................................7
Table 4. Comparison of Tools
Offered/Supported by Intel and AMD... 7
Table 5. AC Specification Differences................ 9
Table 6. Comparison of Intel and AMD
Commands........................................ 13