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参数资料
型号： AM29F032B-75FC
厂商： SPANSION LLC
元件分类： PROM
英文描述： 4M X 8 FLASH 5V PROM, 70 ns, PDSO40
封装： REVERSE, MO-142CD, TSOP-40
文件页数： 37/41页
文件大小： 1511K
代理商： AM29F032B-75FC
Am29F032B
5
TABLE OF CONTENTS
Product Selector Guide . . . . . . . . . . . . . . . . . . . . . 6
Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Connection Diagrams . . . . . . . . . . . . . . . . . . . . . . 7
Pin Configuration. . . . . . . . . . . . . . . . . . . . . . . . . . 8
Logic Symbol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Ordering Information . . . . . . . . . . . . . . . . . . . . . . . 9
Device Bus Operations . . . . . . . . . . . . . . . . . . . . 10
Table 1. Am29F032B Device Bus Operations ................................ 10
Requirements for Reading Array Data ................................... 10
Writing Commands/Command Sequences ............................ 10
Program and Erase Operation Status .................................... 11
Standby Mode ........................................................................ 11
RESET#: Hardware Reset Pin ............................................... 11
Output Disable Mode.............................................................. 11
Table 2. Am29F032B Sector Address Table................................... 12
Autoselect Mode..................................................................... 13
Table 3. Am29F032B Autoselect Codes ......................................... 13
Sector Group Protection/Unprotection.................................... 14
Table 4. Sector Group Addresses................................................... 14
Temporary Sector Group Unprotect ....................................... 14
Figure 1. Temporary Sector Group Unprotect Operation................ 14
Hardware Data Protection ...................................................... 15
Low VCC Write Inhibit ..................................................................... 15
Write Pulse “Glitch” Protection ........................................................ 15
Logical Inhibit .................................................................................. 15
Power-Up Write Inhibit .................................................................... 15
Command Definitions . . . . . . . . . . . . . . . . . . . . . 15
Reading Array Data ................................................................ 15
Reset Command..................................................................... 15
Autoselect Command Sequence ............................................ 16
Byte Program Command Sequence ....................................... 16
Chip Erase Command Sequence ........................................... 16
Figure 2. Program Operation .......................................................... 17
Sector Erase Command Sequence ........................................ 17
Erase Suspend/Erase Resume Commands........................... 17
Figure 3. Erase Operation............................................................... 18
Table 5. Am29F032B Command Definitions................................... 19
Write Operation Status . . . . . . . . . . . . . . . . . . . . 20
DQ7: Data# Polling................................................................. 20
Figure 4. Data# Polling Algorithm ................................................... 20
DQ6: Toggle Bit I .................................................................... 21
DQ2: Toggle Bit II ................................................................... 21
Reading Toggle Bits DQ6/DQ2............................................... 21
DQ5: Exceeded Timing Limits ................................................ 22
DQ3: Sector Erase Timer ....................................................... 22
Figure 5. Toggle Bit Algorithm........................................................ 22
Table 6. Write Operation Status..................................................... 23
Absolute Maximum Ratings. . . . . . . . . . . . . . . . . 24
Figure 6. Maximum Negative Overshoot Waveform ...................... 24
Figure 7. Maximum Positive Overshoot Waveform........................ 24
Operating Ranges . . . . . . . . . . . . . . . . . . . . . . . . . 24
DC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . 25
TTL/NMOS Compatible .......................................................... 25
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-only Operations............................................................. 27
Figure 9. Read Operation Timings ................................................. 27
Hardware Reset (RESET#) .................................................... 28
Figure 10. RESET# Timings .......................................................... 28
Write (Erase/Program) Operations ......................................... 29
Figure 11. Program Operation Timings.......................................... 30
Figure 12. Chip/Sector Erase Operation Timings .......................... 31
Figure 13. Data# Polling Timings (During Embedded Algorithms). 32
Figure 14. Toggle Bit Timings (During Embedded Algorithms)...... 32
Figure 15. DQ2 vs. DQ6................................................................. 33
Temporary Sector Unprotect .................................................. 33
Figure 16. Temporary Sector Group Unprotect Timings ................ 33
Write (Erase/Program) Operations—Alternate CE#
Controlled Writes .................................................................... 34
Figure 17. Alternate CE# Controlled Write Operation Timings ...... 35
Erase And Programming Performance . . . . . . . 36
Latchup Characteristic . . . . . . . . . . . . . . . . . . . . 36
TSOP And SO Pin Capacitance . . . . . . . . . . . . . 36
Data Retention. . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Physical Dimensions . . . . . . . . . . . . . . . . . . . . . . 37
SO 044–44-Pin Small Outline Package.................................. 37
TS 040–40-Pin Standard Thin Small Outline Package........... 38
TSR040–40-Pin Reversed Thin Small Outline Package ........ 39
Revision Summary . . . . . . . . . . . . . . . . . . . . . . . . 40
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