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AM29F040B-90PI Folha de dados(PDF) 3 Page - Advanced Micro Devices

Nome de Peças AM29F040B-90PI
Descrição Electrónicos  4 Megabit (512 K x 8-Bit) CMOS 5.0 Volt-only, Uniform Sector Flash Memory
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Fabricante Electrônico  AMD [Advanced Micro Devices]
Página de início  http://www.amd.com
Logo AMD - Advanced Micro Devices

AM29F040B-90PI Folha de dados(HTML) 3 Page - Advanced Micro Devices

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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. Am29F040B Device Bus Operations ...................................8
Requirements for Reading Array Data ..................................... 8
Writing Commands/Command Sequences .............................. 8
Program and Erase Operation Status ...................................... 8
Standby Mode .......................................................................... 8
Output Disable Mode................................................................ 9
Table 2. Sector Addresses Table ......................................................9
Autoselect Mode..................................................................... 10
Table 3. Am29F040B Autoselect Codes (High Voltage Method) .....10
Sector Protection/Unprotection............................................... 10
Hardware Data Protection ...................................................... 10
Low VCC Write Inhibit...................................................................... 10
Write Pulse “Glitch” Protection ........................................................ 10
Logical Inhibit .................................................................................. 10
Power-Up Write Inhibit .................................................................... 10
Command Definitions . . . . . . . . . . . . . . . . . . . . . 11
Reading Array Data ................................................................ 11
Reset Command..................................................................... 11
Autoselect Command Sequence ............................................ 11
Byte Program Command Sequence ....................................... 11
Figure 1. Program Operation ......................................................... 12
Chip Erase Command Sequence ........................................... 12
Sector Erase Command Sequence ........................................ 12
Erase Suspend/Erase Resume Commands........................... 13
Figure 2. Erase Operation.............................................................. 13
Command Definitions ............................................................. 14
Table 4. Am29F040B Command Definitions....................................14
Write Operation Status . . . . . . . . . . . . . . . . . . . . 15
DQ7: Data# Polling................................................................. 15
Figure 3. Data# Polling Algorithm .................................................. 15
DQ6: Toggle Bit I .................................................................... 16
DQ2: Toggle Bit II ................................................................... 16
Reading Toggle Bits DQ6/DQ2 .............................................. 16
DQ5: Exceeded Timing Limits ................................................ 16
DQ3: Sector Erase Timer ....................................................... 17
Figure 4. Toggle Bit Algorithm........................................................ 17
Table 5. Write Operation Status.......................................................18
Absolute Maximum Ratings. . . . . . . . . . . . . . . . . 19
Figure 5. Maximum Negative Overshoot Waveform ..................... 19
Figure 6. Maximum Positive Overshoot Waveform....................... 19
Operating Ranges . . . . . . . . . . . . . . . . . . . . . . . . . 19
DC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . 20
TTL/NMOS Compatible .......................................................... 20
CMOS Compatible.................................................................. 20
Test Conditions. . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Figure 7. Test Setup..................................................................... 21
Table 6. Test Specifications ........................................................... 21
Key to Switching Waveforms. . . . . . . . . . . . . . . . 21
AC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . 22
Read Only Operations ............................................................ 22
Figure 8. Read Operation Timings ................................................ 22
Erase and Program Operations .............................................. 23
Figure 9. Program Operation Timings........................................... 24
Figure 10. Chip/Sector Erase Operation Timings ......................... 24
Figure 11. Data# Polling Timings (During Embedded Algorithms) 25
Figure 12. Toggle Bit Timings (During Embedded Algorithms)..... 25
Figure 13. DQ2 vs. DQ6................................................................ 26
AC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . 27
Erase and Program Operations .............................................. 27
Alternate CE# Controlled Writes .................................................... 27
Figure 14. Alternate CE# Controlled Write Operation Timings ..... 28
Erase and Programming Performance . . . . . . . . 29
Latchup Characteristics . . . . . . . . . . . . . . . . . . . . 29
TSOP Pin Capacitance . . . . . . . . . . . . . . . . . . . . 29
PLCC and PDIP Pin Capacitance. . . . . . . . . . . . . 30
Data Retention. . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Physical Dimensions . . . . . . . . . . . . . . . . . . . . . . 31
PD 032—32-Pin Plastic DIP ................................................... 31
PL 032—32-Pin Plastic Leaded Chip Carrier ......................... 32
TS 032—32-Pin Standard Thin Small Package...................... 33
TSR032—32-Pin Reversed Thin Small Outline Package....... 34
Revision Summary . . . . . . . . . . . . . . . . . . . . . . . . 35
Revision A (May 1997) ........................................................... 35
Revision B (January 1998) ..................................................... 35
Revision B+1 (January 1998) ................................................. 35
Revision B+2 (April 1998)....................................................... 35
Revision C (January 1999) ..................................................... 35
Revision C+1 (February 1999) ............................................... 35
Revision C+2 (May 17, 1999) ................................................. 35
Revision D (November 15, 1999) ........................................... 35
Revision E (November 29, 2000)............................................ 35


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