AM29LV081B-90EE AMD [Advanced Micro Devices], AM29LV081B-90EE Datasheet - Page 5

• Manufacturer Part Number: AM29LV081B-90EE
• Description: 8 Megabit (1 M x 8-Bit) CMOS 3.0 Volt-only Uniform Sector Flash Memory
• Manufacturer: AMD [Advanced Micro Devices]

TABLE OF CONTENTS
Product Selector Guide . . . . . . . . . . . . . . . . . . . . . 4
Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Connection Diagrams . . . . . . . . . . . . . . . . . . . . . . 5
Pin Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Logic Symbol . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Ordering Information . . . . . . . . . . . . . . . . . . . . . . . 6
Device Bus Operations . . . . . . . . . . . . . . . . . . . . . . 7
Command Definitions . . . . . . . . . . . . . . . . . . . . . . 12
Write Operation Status . . . . . . . . . . . . . . . . . . . . . 17
21525D6 October 12, 2006
Standard Products .................................................................... 6
Requirements for Reading Array Data ..................................... 7
Writing Commands/Command Sequences .............................. 7
Program and Erase Operation Status ...................................... 8
Standby Mode .......................................................................... 8
Automatic Sleep Mode ............................................................. 8
RESET#: Hardware Reset Pin ................................................. 8
Output Disable Mode ................................................................ 8
Autoselect Mode ....................................................................... 9
Sector Protection/Unprotection ............................................... 10
Temporary Sector Unprotect .................................................. 10
Hardware Data Protection ...................................................... 10
Reading Array Data ................................................................ 12
Reset Command ..................................................................... 12
Autoselect Command Sequence ............................................ 12
Byte Program Command Sequence ....................................... 12
Chip Erase Command Sequence ........................................... 13
Sector Erase Command Sequence ........................................ 13
Erase Suspend/Erase Resume Commands ........................... 14
Command Definitions ............................................................. 16
DQ7: Data# Polling ................................................................. 17
Table 1. Am29LV081B Device Bus Operations ................................7
Table 2. Am29LV081B Sector Address Table ..................................9
Table 3. Am29LV081B Autoselect Codes (High Voltage Method) ....9
Figure 1. Temporary Sector Unprotect Operation........................... 10
Figure 2. In-System Sector Protect/Unprotect Algorithms .............. 11
Figure 3. Program Operation .......................................................... 13
Figure 4. Erase Operation............................................................... 15
Table 4. Am29LV081B Command Definitions .................................16
Figure 5. Data# Polling Algorithm ................................................... 17
D A T A S H E E T
Am29LV081B
Absolute Maximum Ratings . . . . . . . . . . . . . . . . 21
Operating Ranges . . . . . . . . . . . . . . . . . . . . . . . . . 21
DC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . 22
Test Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . 24
AC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . 25
Erase and Programming Performance . . . . . . . 35
Latchup Characteristics . . . . . . . . . . . . . . . . . . . . 35
TSOP Pin Capacitance . . . . . . . . . . . . . . . . . . . . . 35
Data Retention. . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Physical Dimensions . . . . . . . . . . . . . . . . . . . . . . 36
RY/BY#: Ready/Busy# ............................................................ 18
DQ6: Toggle Bit I .................................................................... 18
DQ2: Toggle Bit II ................................................................... 18
Reading Toggle Bits DQ6/DQ2 ............................................... 18
DQ5: Exceeded Timing Limits ................................................ 19
DQ3: Sector Erase Timer ....................................................... 19
Read Operations .................................................................... 25
Hardware Reset (RESET#) .................................................... 26
Erase/Program Operations ..................................................... 27
Figure 6. Toggle Bit Algorithm......................................................... 19
Table 5. Write Operation Status ..................................................... 20
Figure 7. Maximum Negative Overshoot Waveform ....................... 21
Figure 8. Maximum Positive Overshoot Waveform......................... 21
Figure 9. I
and Automatic Sleep Currents) ....................................................... 23
Figure 10. Typical I
Figure 11. Test Setup...................................................................... 24
Table 6. Test Specifications ........................................................... 24
Figure 12. Input Waveforms and Measurement Levels .................. 24
Figure 13. Read Operations Timings .............................................. 25
Figure 14. RESET# Timings ........................................................... 26
Figure 15. Program Operation Timings........................................... 28
Figure 16. Chip/Sector Erase Operation Timings ........................... 29
Figure 17. Data# Polling Timings (During Embedded Algorithms).. 30
Figure 18. Toggle Bit Timings (During Embedded Algorithms)....... 30
Figure 19. DQ2 vs. DQ6.................................................................. 31
Figure 20. Temporary Sector Unprotect Timing Diagram ............... 31
Figure 21. Sector Protect/Unprotect Timing Diagram ..................... 32
Figure 22. Alternate CE# Controlled Write Operation Timings ....... 34
CC1
Current vs. Time (Showing Active
CC1
vs. Frequency ............................................ 23
3