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AM29F032B-120SE 数据表(PDF) 4 Page - Advanced Micro Devices

部件名 AM29F032B-120SE
功能描述  32 Megabit (4 M x 8-Bit) CMOS 5.0 Volt-only, Uniform Sector Flash Memory
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制造商  AMD [Advanced Micro Devices]
网页  http://www.amd.com
标志 AMD - Advanced Micro Devices

AM29F032B-120SE 数据表(HTML) 4 Page - Advanced Micro Devices

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Am29F032B
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TABLE OF CONTENTS
Product Selector Guide . . . . . . . . . . . . . . . . . . . . . 4
Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Connection Diagrams . . . . . . . . . . . . . . . . . . . . . . 5
Pin Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Logic Symbol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Ordering Information . . . . . . . . . . . . . . . . . . . . . . . 7
Device Bus Operations . . . . . . . . . . . . . . . . . . . . . 8
Table 1. Am29F032B Device Bus Operations .................................. 8
Requirements for Reading Array Data ..................................... 8
Writing Commands/Command Sequences .............................. 8
Program and Erase Operation Status ...................................... 9
Standby Mode .......................................................................... 9
RESET#: Hardware Reset Pin ................................................. 9
Output Disable Mode................................................................ 9
Table 2. Am29F032B Sector Address Table................................... 10
Autoselect Mode..................................................................... 11
Table 3. Am29F032B Autoselect Codes ......................................... 11
Sector Group Protection/Unprotection.................................... 12
Table 4. Sector Group Addresses................................................... 12
Temporary Sector Group Unprotect ....................................... 12
Figure 1. Temporary Sector Group Unprotect Operation................ 12
Hardware Data Protection ...................................................... 13
Low VCC Write Inhibit..................................................................... 13
Write Pulse “Glitch” Protection ........................................................ 13
Logical Inhibit .................................................................................. 13
Power-Up Write Inhibit .................................................................... 13
Command Definitions . . . . . . . . . . . . . . . . . . . . . 13
Reading Array Data ................................................................ 13
Reset Command..................................................................... 13
Autoselect Command Sequence ............................................ 14
Byte Program Command Sequence ....................................... 14
Chip Erase Command Sequence ........................................... 14
Figure 2. Program Operation .......................................................... 15
Sector Erase Command Sequence ........................................ 15
Erase Suspend/Erase Resume Commands........................... 15
Figure 3. Erase Operation............................................................... 16
Command Definitions ............................................................. 17
Table 5. Am29F032B Command Definitions................................... 17
Write Operation Status . . . . . . . . . . . . . . . . . . . . 18
DQ7: Data# Polling................................................................. 18
Figure 4. Data# Polling Algorithm ................................................... 18
RY/BY#: Ready/Busy# ........................................................... 19
DQ6: Toggle Bit I .................................................................... 19
DQ2: Toggle Bit II ................................................................... 19
Reading Toggle Bits DQ6/DQ2 .............................................. 19
DQ5: Exceeded Timing Limits ................................................ 20
DQ3: Sector Erase Timer ....................................................... 20
Figure 5. Toggle Bit Algorithm........................................................ 20
Table 6. Write Operation Status..................................................... 21
Absolute Maximum Ratings. . . . . . . . . . . . . . . . . 22
Figure 6. Maximum Negative Overshoot Waveform ...................... 22
Figure 7. Maximum Positive Overshoot Waveform........................ 22
Operating Ranges . . . . . . . . . . . . . . . . . . . . . . . . . 22
DC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . 23
TTL/NMOS Compatible .......................................................... 23
CMOS Compatible.................................................................. 23
Test Conditions. . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Figure 8. Test Setup...................................................................... 24
Table 7. Test Specifications ........................................................... 24
Key To Switching Waveforms . . . . . . . . . . . . . . . 24
AC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . 25
Read-only Operations............................................................. 25
Figure 9. Read Operation Timings ................................................. 25
Hardware Reset (RESET#) .................................................... 26
Figure 10. RESET# Timings .......................................................... 26
Write (Erase/Program) Operations ......................................... 27
Figure 11. Program Operation Timings.......................................... 28
Figure 12. Chip/Sector Erase Operation Timings .......................... 29
Figure 13. Data# Polling Timings (During Embedded Algorithms). 30
Figure 14. Toggle Bit Timings (During Embedded Algorithms)...... 30
Figure 15. DQ2 vs. DQ6................................................................. 31
Temporary Sector Unprotect .................................................. 31
Figure 16. Temporary Sector Group Unprotect Timings ................ 31
Write (Erase/Program) Operations—Alternate CE#
Controlled Writes .................................................................... 32
Figure 17. Alternate CE# Controlled Write Operation Timings ...... 33
Erase And Programming Performance . . . . . . . 34
Latchup Characteristic . . . . . . . . . . . . . . . . . . . . 34
TSOP And SO Pin Capacitance . . . . . . . . . . . . . 34
Data Retention. . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Physical Dimensions . . . . . . . . . . . . . . . . . . . . . . 35
SO 044–44-Pin Small Outline Package.................................. 35
TS 040–40-Pin Standard Thin Small Outline Package........... 36
TSR040–40-Pin Reversed Thin Small Outline Package ........ 37
Revision Summary . . . . . . . . . . . . . . . . . . . . . . . . 38
Revision A (June 1998) .......................................................... 38
Revision B (July 1998)............................................................ 38
Revision C (January 1999) ..................................................... 38
Revision C+1 (April 14, 1999)................................................. 38
Revision D (November 17, 1999) ........................................... 38
Revision D+1 (December 5, 2000) ......................................... 38


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