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AM29F800B Fiches technique(PDF) 5 Page - SPANSION

No de pièce AM29F800B
Description  8 Megabit (1 M x 8-Bit/512 K x 16-Bit) CMOS 5.0 Volt-only, Boot Sector Flash Memory
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AM29F800B Fiches technique(HTML) 5 Page - SPANSION

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November 17, 2009 21504E8
Am29F800B
3
D A TA SH EE T
TABLE OF CONTENTS
Product Selector Guide . . . . . . . . . . . . . . . . . . . . . 4
Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Connection Diagrams . . . . . . . . . . . . . . . . . . . . . . . 5
Special Handling Instructions for FBGA Package .................... 6
Pin Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Logic Symbol . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Ordering Information . . . . . . . . . . . . . . . . . . . . . . . 8
Device Bus Operations . . . . . . . . . . . . . . . . . . . . . . 9
Table 1. Am29F800B Device Bus Operations ..................................9
Word/Byte Configuration .......................................................... 9
Requirements for Reading Array Data ..................................... 9
Writing Commands/Command Sequences .............................. 9
Program and Erase Operation Status .................................... 10
Standby Mode ........................................................................ 10
RESET#: Hardware Reset Pin ............................................... 10
Output Disable Mode .............................................................. 10
Table 2. Am29F800BT Top Boot Block Sector Address Table .......11
Table 3. Am29F800BB Bottom Boot Block Sector Address Table ..12
Autoselect Mode ..................................................................... 12
Table 4. Am29F800B Autoselect Codes (High Voltage Method) ....13
Sector Protection/Unprotection ............................................... 13
Temporary Sector Unprotect .................................................. 13
Figure 1. Temporary Sector Unprotect Operation........................... 13
Hardware Data Protection ...................................................... 14
Command Definitions . . . . . . . . . . . . . . . . . . . . . . 14
Reading Array Data ................................................................ 14
Reset Command ..................................................................... 14
Autoselect Command Sequence ............................................ 15
Word/Byte Program Command Sequence ............................. 15
Figure 2. Program Operation .......................................................... 15
Chip Erase Command Sequence ........................................... 15
Sector Erase Command Sequence ........................................ 16
Erase Suspend/Erase Resume Commands ........................... 16
Figure 3. Erase Operation............................................................... 17
Command Definitions ............................................................. 18
Table 5. Am29F800B Command Definitions ...................................18
Write Operation Status . . . . . . . . . . . . . . . . . . . . . 19
DQ7: Data# Polling ................................................................. 19
Figure 4. Data# Polling Algorithm ................................................... 19
RY/BY#: Ready/Busy# ........................................................... 20
DQ6: Toggle Bit I .................................................................... 20
DQ2: Toggle Bit II ................................................................... 20
Reading Toggle Bits DQ6/DQ2 .............................................. 20
DQ5: Exceeded Timing Limits ................................................ 21
DQ3: Sector Erase Timer ....................................................... 21
Figure 5. Toggle Bit Algorithm......................................................... 21
Table 6. Write Operation Status ......................................................22
Absolute Maximum Ratings . . . . . . . . . . . . . . . . . 23
Figure 6. Maximum Negative Overshoot Waveform ....................... 23
Figure 7. Maximum Positive Overshoot Waveform......................... 23
Operating Ranges . . . . . . . . . . . . . . . . . . . . . . . . 23
DC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . 24
TTL/NMOS Compatible .......................................................... 24
CMOS Compatible .................................................................. 25
Test Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Figure 8. Test Setup....................................................................... 26
Table 7. Test Specifications ........................................................... 26
Key to Switching Waveforms. . . . . . . . . . . . . . . . 26
AC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . 27
Read Operations .................................................................... 27
Figure 9. Read Operations Timings ............................................... 27
Hardware Reset (RESET#) .................................................... 28
Figure 10. RESET# Timings .......................................................... 28
Word/Byte Configuration (BYTE#) ........................................ 29
Figure 11. BYTE# Timings for Read Operations............................ 29
Figure 12. BYTE# Timings for Write Operations............................ 29
Erase/Program Operations ..................................................... 30
Figure 13. Program Operation Timings.......................................... 31
Figure 14. Chip/Sector Erase Operation Timings .......................... 32
Figure 15. Data# Polling Timings (During Embedded Algorithms). 33
Figure 16. Toggle Bit Timings (During Embedded Algorithms)...... 33
Figure 17. DQ2 vs. DQ6................................................................. 34
Temporary Sector Unprotect .................................................. 34
Figure 18. Temporary Sector Unprotect Timing Diagram .............. 34
Figure 19. Alternate CE# Controlled Write Operation Timings ...... 36
Erase and Programming Performance . . . . . . . 37
Latchup Characteristics . . . . . . . . . . . . . . . . . . . . 37
TSOP and SO Pin Capacitance . . . . . . . . . . . . . . 37
Data Retention. . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Physical Dimensions . . . . . . . . . . . . . . . . . . . . . . 38
SO 044—44-Pin Small Outline Package ................................ 38
TS 048—48-Pin Standard Pinout Thin Small
Outline Package (TSOP) ........................................................ 39
FBB048—48-Ball Fine-Pitch Ball Grid Array (FBGA) 6 x 9 mm
package .................................................................................. 40
Revision Summary . . . . . . . . . . . . . . . . . . . . . . . . 41
Revision A (August 1997) ....................................................... 41
Revision B (October 1997) ..................................................... 41
Revision C (January 1998) ..................................................... 41
Revision C+1 (April 1998) ....................................................... 41
Revision C+2 (April 1998) ....................................................... 41
Revision D (January 1999) ..................................................... 42
Revision D+1 (March 23, 1999) .............................................. 42
Revision D+2 (July 2, 1999) ................................................... 42
Revision E (November 16, 1999) ............................................ 42
Revision E+1 (August 4, 2000) ............................................... 42
Revision E+2 (June 4, 2004) .................................................. 42
Revision E3 (December 22, 2005) .......................................... 42
Revision E4 (May 19, 2006) ................................................... 42
Revision E5 (November 2, 2006) ............................................ 42
Revision E6 (March 3, 2009) .................................................. 42
Revision E7 (August 3, 2009) ................................................. 42
Revision E8 (November 17, 2009) .......................................... 42


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