AM29SL400DB90 SPANSION [SPANSION], AM29SL400DB90 Datasheet - Page 5

• Manufacturer Part Number: AM29SL400DB90
• Description: 4 Megabit (512 K x 8-Bit/256 K x 16-Bit) CMOS 1.8 Volt-only Super Low Voltage Flash Memory
• Manufacturer: SPANSION [SPANSION]

TABLE OF CONTENTS
Product Selector Guide . . . . . . . . . . . . . . . . . . . . . 4
Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Pin Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Logic Symbol . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Ordering Information . . . . . . . . . . . . . . . . . . . . . . . 7
Device Bus Operations . . . . . . . . . . . . . . . . . . . . . . 8
Command Definitions . . . . . . . . . . . . . . . . . . . . . 13
April 13, 2005 Rev. A Amend. +1
Special Handling Instructions for FBGA Packages .................. 5
Word/Byte Configuration .......................................................... 8
Requirements for Reading Array Data ..................................... 8
Writing Commands/Command Sequences .............................. 9
Program and Erase Operation Status ...................................... 9
Standby Mode .......................................................................... 9
Automatic Sleep Mode ............................................................. 9
RESET#: Hardware Reset Pin ................................................. 9
Output Disable Mode .............................................................. 10
Autoselect Mode ..................................................................... 11
Sector Protection/Unprotection ............................................... 11
Temporary Sector Unprotect .................................................. 11
Hardware Data Protection ...................................................... 13
Low V
Write Pulse “Glitch” Protection ............................................... 13
Logical Inhibit .......................................................................... 13
Power-Up Write Inhibit ............................................................ 13
Reading Array Data ................................................................ 13
Reset Command ..................................................................... 13
Autoselect Command Sequence ............................................ 14
Word/Byte Program Command Sequence ............................. 14
Unlock Bypass Command Sequence ..................................... 14
Chip Erase Command Sequence ........................................... 15
Sector Erase Command Sequence ........................................ 15
Write Operation Status ........................................................... 18
DQ7: Data# Polling ................................................................. 18
RY/BY#: Ready/Busy# ........................................................... 18
DQ6: Toggle Bit I .................................................................... 19
DQ2: Toggle Bit II ................................................................... 19
Table 1. Am29SL400D Device Bus Operations ................................8
Table 2. Am29SL400DT Top Boot Block Sector Address Table .....10
Table 3. Am29SL400DB Bottom Boot Block Sector Address Table 10
Table 4. Am29SL400D Autoselect Codes (High Voltage Method) ..11
Figure 1. In-system Sector Protection/Unprotection Algorithms ..... 12
Figure 2. Temporary Sector Unprotect Operation........................... 13
Figure 3. Program Operation .......................................................... 15
Figure 4. Erase Operation............................................................... 16
Table 5. Am29SL400D Command Definitions ................................17
Figure 5. Data# Polling Algorithm ................................................... 18
CC
Write Inhibit .............................................................. 13
A D V A N C E
Am29SL400D
I N F O R M A T I O N
Absolute Maximum Ratings . . . . . . . . . . . . . . . . 22
Operating Ranges . . . . . . . . . . . . . . . . . . . . . . . . . 22
DC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . 23
Test Conditions. . . . . . . . . . . . . . . . . . . . . . . . . . . 25
AC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . 26
AC Characteristics
AC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . 36
Erase and Programming Performance . . . . . . . 37
Latchup Characteristics . . . . . . . . . . . . . . . . . . . . 37
TSOP Pin and BGA Package Capacitance . . . . . 37
Data Retention. . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Physical Dimensions . . . . . . . . . . . . . . . . . . . . . . 38
Revision Summary . . . . . . . . . . . . . . . . . . . . . . . . 39
Reading Toggle Bits DQ6/DQ2 ............................................... 19
DQ5: Exceeded Timing Limits ................................................ 20
DQ3: Sector Erase Timer ....................................................... 20
Key to Switching Waveforms .................................................. 25
Read Operations .................................................................... 26
Word/Byte Configuration (BYTE#) ........................................ 28
Erase/Program Operations ..................................................... 29
Temporary Sector Unprotect .................................................. 33
Alternate CE# Controlled Erase/Program Operations ............ 35
FBA048—48-Ball Fine-Pitch Ball Grid Array (FBGA) 6 x 8 mm
Package .................................................................................. 38
Figure 6. Toggle Bit Algorithm........................................................ 20
Table 6. Write Operation Status ..................................................... 21
Figure 7. Maximum Negative Overshoot Waveform ...................... 22
Figure 8. Maximum Positive Overshoot Waveform........................ 22
Figure 9. I
Sleep Currents) .............................................................................. 24
Figure 10. Typical I
Figure 11. Test Setup..................................................................... 25
Table 7. Test Specifications ........................................................... 25
Figure 12. Input Waveforms and Measurement Levels ................. 25
Figure 13. Read Operations Timings ............................................. 26
Figure 14. RESET# Timings .......................................................... 27
Figure 15. BYTE# Timings for Read Operations............................ 28
Figure 16. BYTE# Timings for Write Operations............................ 28
Figure 17. Program Operation Timings.......................................... 30
Figure 18. Chip/Sector Erase Operation Timings .......................... 31
Figure 19. Data# Polling Timings (During Embedded Algorithms). 32
Figure 20. Toggle Bit Timings (During Embedded Algorithms)...... 32
Figure 21. DQ2 vs. DQ6................................................................. 33
Figure 22. Temporary Sector Unprotect Timing Diagram .............. 33
Figure 23. Sector Protect/Unprotect Timing Diagram .................... 34
Figure 24. Alternate CE# Controlled Write Operation Timings ...... 36
CC1
Current vs. Time (Showing Active and Automatic
CC1
vs. Frequency ........................................... 24
. . . . . . . . . . . . . . . . . . . . . . 32
3