參數(shù)資料
型號(hào)： AM29F040B-120PI
廠商： ADVANCED MICRO DEVICES INC
元件分類： PROM
英文描述： 4 Megabit (512 K x 8-Bit) CMOS 5.0 Volt-only, Uniform Sector Flash Memory
中文描述： 512K X 8 FLASH 5V PROM, 120 ns, PDIP32
封裝： PLASTIC, MO-015AP, DIP-32
文件頁(yè)數(shù)： 5/36頁(yè)
文件大?。?/td> 534K
代理商： AM29F040B-120PI
November 1, 2006 21445E5
Am29F040B
3
D A T A S H E E T
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
Table 1. Am29F040B Device Bus Operations...................................7
Requirements for Reading Array Data..................................... 7
Writing Commands/Command Sequences.............................. 7
Program and Erase Operation Status...................................... 7
Standby Mode.......................................................................... 7
Output Disable Mode................................................................ 8
Table 2. Sector Addresses Table ......................................................8
Autoselect Mode....................................................................... 9
Table 3. Am29F040B Autoselect Codes (High Voltage Method).......9
Sector Protection/Unprotection................................................. 9
Hardware Data Protection........................................................ 9
Low V
CC
Write Inhibit........................................................................ 9
Write Pulse “Glitch” Protection.......................................................... 9
Logical Inhibit.................................................................................... 9
Power-Up Write Inhibit...................................................................... 9
Command Definitions . . . . . . . . . . . . . . . . . . . . . 10
Reading Array Data................................................................ 10
Reset Command..................................................................... 10
Autoselect Command Sequence............................................ 10
Byte Program Command Sequence....................................... 10
Figure 1. Program Operation......................................................... 11
Chip Erase Command Sequence........................................... 11
Sector Erase Command Sequence........................................ 11
Erase Suspend/Erase Resume Commands........................... 12
Figure 2. Erase Operation.............................................................. 12
Command Definitions............................................................. 13
Table 4. Am29F040B Command Definitions....................................13
Write Operation Status . . . . . . . . . . . . . . . . . . . . 14
DQ7: Data# Polling................................................................. 14
Figure 3. Data# Polling Algorithm.................................................. 14
DQ6: Toggle Bit I.................................................................... 15
DQ2: Toggle Bit II................................................................... 15
Reading Toggle Bits DQ6/DQ2.............................................. 15
DQ5: Exceeded Timing Limits................................................ 15
DQ3: Sector Erase Timer....................................................... 16
Figure 4. Toggle Bit Algorithm....................................................... 16
Table 5. Write Operation Status......................................................17
Absolute Maximum Ratings. . . . . . . . . . . . . . . . . 18
Figure 5. Maximum Negative Overshoot Waveform..................... 18
Figure 6. Maximum Positive Overshoot Waveform....................... 18
Operating Ranges. . . . . . . . . . . . . . . . . . . . . . . . . 18
DC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . 19
TTL/NMOS Compatible.......................................................... 19
CMOS Compatible.................................................................. 19
Test Conditions. . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Figure 7. Test Setup..................................................................... 20
Table 6. Test Specifications........................................................... 20
Key to Switching Waveforms. . . . . . . . . . . . . . . . 20
AC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . 21
Read Only Operations............................................................ 21
Figure 8. Read Operation Timings................................................ 21
Erase and Program Operations.............................................. 22
Figure 9. Program Operation Timings........................................... 23
Figure 10. Chip/Sector Erase Operation Timings......................... 23
Figure 11. Data# Polling Timings (During Embedded Algorithms) 24
Figure 12. Toggle Bit Timings (During Embedded Algorithms)..... 24
Figure 13. DQ2 vs. DQ6................................................................ 25
AC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . 26
Erase and Program Operations.............................................. 26
Alternate CE# Controlled Writes.................................................... 26
Figure 14. Alternate CE# Controlled Write Operation Timings..... 27
Erase and Programming Performance . . . . . . . . 28
Latchup Characteristics. . . . . . . . . . . . . . . . . . . . 28
TSOP Pin Capacitance . . . . . . . . . . . . . . . . . . . . 28
PLCC and PDIP Pin Capacitance. . . . . . . . . . . . . 29
Data Retention. . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Physical Dimensions . . . . . . . . . . . . . . . . . . . . . . 30
PD 032—32-Pin Plastic DIP................................................... 30
PL 032—32-Pin Plastic Leaded Chip Carrier......................... 31
TS 032—32-Pin Standard Thin Small Package...................... 32
Revision Summary . . . . . . . . . . . . . . . . . . . . . . . . 33
相關(guān)PDF資料
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AM29F040B-70EI 4 Megabit (512 K x 8-Bit) CMOS 5.0 Volt-only, Uniform Sector Flash Memory
AM29F040B-70EK 4 Megabit (512 K x 8-Bit) CMOS 5.0 Volt-only, Uniform Sector Flash Memory
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