November 22, 2002 Am29BL162C 3
TABLE OF CONTENTS
Product Selector Guide . . . . . . . . . . . . . . . . . . . . .5
Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Connection Diagrams . . . . . . . . . . . . . . . . . . . . . .6
Pin Configuration . . . . . . . . . . . . . . . . . . . . . . . . . .7
Ordering Information . . . . . . . . . . . . . . . . . . . . . . .8
Device Bus Operations . . . . . . . . . . . . . . . . . . . . . .9
Table 1. Device Bus Operations .......................................................9
Requirements for Reading Array Data Array in Asynchronous
(Non-Burst) Mode................................................................... 10
Requirements for Reading Array Data in Synchronous
(Burst) Mode ...........................................................................10
Burst Suspend/Burst Resume Operations.............................. 11
IND# End of Burst Indicator ....................................................11
Writing Commands/Command Sequences ............................11
Program and Erase Operation Status ....................................11
Standby Mode ........................................................................11
Automatic Sleep Mode ...........................................................11
RESET#: Hardware Reset Pin ...............................................11
Output Disable Mode ..............................................................12
Table 2. Sector Address Table ........................................................12
Autoselect Mode..................................................................... 13
Table 3. Am29BL162C Autoselect Codes (High Voltage Method) ..13
Sector Protection/Unprotection ...............................................13
Figure 1. In-System Sector Protect/Unprotect Algorithms .............. 14
Temporary Sector Unprotect ..................................................15
Figure 2. Temporary Sector Unprotect Operation........................... 15
Hardware Data Protection. . . . . . . . . . . . . . . . . . 15
Low VCC Write Inhibit ..............................................................15
Write Pulse “Glitch” Protection ...............................................15
Logical Inhibit ..........................................................................15
Power-Up Write Inhibit ............................................................15
Common Flash Memory Interface (CFI) . . . . . . .16
Table 4. CFI Query Identification String ..........................................16
Table 5. System Interface String .....................................................16
Table 6. Device Geometry Definition ..............................................17
Table 7. Primary Vendor-Specific Extended Query ........................17
Command Definitions . . . . . . . . . . . . . . . . . . . . . 18
Reading Array Data in Non-burst Mode .................................18
Reading Array Data in Burst Mode .........................................18
Figure 3. Burst Mode Read with 40 MHz CLK, 65 ns
tIACC,18nst
BACC Parameters.................. ............. ........................ 19
Figure 4. Burst Mode Read with 25 MHz CLK, 70 ns
tIACC,24nst
BACC Parameters.................. ............. ........................ 19
Reset Command .....................................................................19
Autoselect Command Sequence ............................................19
Program Command Sequence ...............................................20
Unlock Bypass Command Sequence .....................................20
Figure 5. Program Operation.......................................................... 21
Chip Erase Command Sequence ...........................................21
Sector Erase Command Sequence ........................................21
Figure 6. Erase Operation............................................................... 22
Erase Suspend/Erase Resume Commands ...........................22
Asynchronous Mode ...............................................................22
Burst Mode .............................................................................22
General ...................................................................................22
Command Definitions............................................................. 24
Table 8. Am29BL162C Command Definitions ............................... 24
Write Operation Status . . . . . . . . . . . . . . . . . . . . 25
DQ7: Data# Polling .................................................................25
Figure 7. Data# Polling Algorithm.................................................. 25
RY/BY#: Ready/Busy# ............................................................26
DQ6: Toggle Bit I ....................................................................26
DQ2: Toggle Bit II ...................................................................26
Reading Toggle Bits DQ6/DQ2 ...............................................26
DQ5: Exceeded Timing Limits ................................................27
DQ3: Sector Erase Timer .......................................................27
Figure 8. Toggle Bit Algorithm........................................................ 27
Table 9. Write Operation Status ..................................................... 28
Absolute Maximum Ratings . . . . . . . . . . . . . . . . 29
Operating Ranges. . . . . . . . . . . . . . . . . . . . . . . . . 29
DC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . 30
Figure 11. ICC1 Current vs. Time (Showing Active and Automatic
Sleep Currents).............................................................................. 31
Figure 12. Typical ICC1 vs. Frequency........................................... 31
Test Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Figure 13. Test Setup..................................................................... 32
Table 10. Test Specifications ...................... ............. ...................... 32
Key to Switching Waveforms ..................................................32
Figure 14. Input Waveforms and Measurement Levels................. 32
AC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . 33
Figure 15. Conventional Read Operations Timings....................... 35
Figure 16. Burst Mode Read.......................................................... 35
Hardware Reset (RESET#) ....................................................36
Figure 17. RESET# Timings.......................................................... 36
Erase/Program Operations .....................................................37
Figure 18. Program Operation Timings.......................................... 38
Figure 19. Chip/Sector Erase Operation Timings.......................... 39
Figure 20. Data# Polling Timings (During Embedded Algorithms). 40
Figure 21. Toggle Bit Timings (During Embedded Algorithms)...... 40
Figure 22. DQ2 vs. DQ6 for Erase and
Erase Suspend Operations............................................................ 41
Figure 23. Temporary Sector Unprotect Timing Diagram.............. 41
Figure 24. Sector Protect/Unprotect Timing Diagram.................... 42
Alternate CE# Controlled Erase/Program Operations ............43
Figure 25. Alternate CE# Controlled Write Operation Timings...... 44
Erase and Programming Performance . . . . . . . 45
Latchup Characteristics. . . . . . . . . . . . . . . . . . . . 45
SSOP Pin Capacitance. . . . . . . . . . . . . . . . . . . . . 45
Data Retention. . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Physical Dimensions . . . . . . . . . . . . . . . . . . . . . . 46
SSO056—56-Pin Shrink Small Outline Package ....................46
Revision Summary . . . . . . . . . . . . . . . . . . . . . . . . 47
Revision A (September 1998) .................................................47
Revision B (December 1998) ..................................................47
Revision C (December 1998) .................................................47
Revision D (May 17, 1999) .....................................................47
Revision D+1 (July 2, 1999) ...................................................47
Revision E (November 2, 1999) ..............................................47
Revision F (June 20, 2000) .....................................................48
Revision F+1 (November 21, 2000) ........................................48
Revision F+2 (July 22, 2002) ..................................................48
Revision F+3 (August 19, 2002) .............................................48