參數(shù)資料
型號(hào)： S29AL004D70TFI023
廠(chǎng)商： SPANSION LLC
元件分類(lèi)： DRAM
英文描述： 4 Megabit (512 Kx 8-Bit/256 K x 16-Bit) CMOS 3.0 Volt-only Boot Sector Flash Memory
中文描述： 256K X 16 FLASH 3V PROM, 70 ns, PDSO48
封裝： MO-142DD, LEAD FREE, TSOP-48
文件頁(yè)數(shù)： 7/55頁(yè)
文件大?。?/td> 1481K
代理商： S29AL004D70TFI023
February 18, 2005 S29AL004D_00_A1
S29AL004D
5
A d v a n c e I n f o r m a t i o n
Table Of Contents
Product Selector Guide. . . . . . . . . . . . . . . . . . . . . . 6
Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Connection Diagrams . . . . . . . . . . . . . . . . . . . . . . . 7
Special Handling Instructions for FBGA Package ..........................8
Pin Configuration. . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Logic Symbol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Ordering Information . . . . . . . . . . . . . . . . . . . . . . 10
Standard Products .................................................................................10
Device Bus Operations . . . . . . . . . . . . . . . . . . . . . . 11
Table 1. S29AL004D Device Bus Operations .........................11
Word/Byte Configuration ....................................................................11
Requirements for Reading Array Data ............................................11
Writing Commands/Command Sequences ...................................12
Program and Erase Operation Status ..............................................12
Standby Mode .........................................................................................12
Automatic Sleep Mode .........................................................................13
RESET#: Hardware Reset Pin ............................................................13
Output Disable Mode ...........................................................................13
Table 2. S29AL004D Top Boot Block Sector Addresses ...........13
Table 3. S29AL004D Bottom Boot Block Sector Addresses ......14
Autoselect Mode ...................................................................................14
Table 4. S29AL004D Autoselect Codes
(High Voltage Method) .......................................................15
Sector Protection/Unprotection .......................................................15
Temporary Sector Unprotect ...........................................................15
Figure 1. Temporary Sector Unprotect Operation................... 16
Figure 2. In-System Sector Protect/Sector Unprotect
Algorithms....................................................................... 17
Hardware Data Protection .................................................................18
Low V
CC
Write Inhibit ........................................................................18
Write Pulse Glitch Protection ...........................................................18
Logical Inhibit ..........................................................................................18
Power-Up Write Inhibit ......................................................................18
Command Definitions. . . . . . . . . . . . . . . . . . . . . . 18
Reading Array Data ..............................................................................18
Reset Command ....................................................................................19
Autoselect Command Sequence .......................................................19
Word/Byte Program Command Sequence ....................................19
Unlock Bypass Command Sequence ...............................................20
Figure 3. Program Operation .............................................. 21
Chip Erase Command Sequence .......................................................21
Sector Erase Command Sequence ..................................................22
Erase Suspend/Erase Resume Commands ....................................22
Figure 4. Erase Operation .................................................. 24
Table 5. S29AL004D Command Definitions ...........................24
Write Operation Status . . . . . . . . . . . . . . . . . . . . 26
DQ7: Data# Polling ..............................................................................26
Figure 5. Data# Polling Algorithm ....................................... 27
RY/BY#: Ready/Busy# .........................................................................27
DQ6: Toggle Bit I ..................................................................................28
DQ2: Toggle Bit II ................................................................................28
Reading Toggle Bits DQ6/DQ2 .......................................................29
DQ5: Exceeded Timing Limits ..........................................................29
DQ3: Sector Erase Timer ..................................................................29
Figure 6. Toggle Bit Algorithm............................................ 30
Table 6. Write Operation Status ......................................... 31
Absolute Maximum Ratings . . . . . . . . . . . . . . . . . 32
Operating Ranges. . . . . . . . . . . . . . . . . . . . . . . . . . 32
Industrial (I) Devices ............................................................................32
V
CC
Supply Voltages .............................................................................32
DC Characteristics. . . . . . . . . . . . . . . . . . . . . . . . . 33
Figure 7. Maximum Negative Overshoot Waveform............... 33
Figure 8. Maximum Positive Overshoot Waveform................. 33
Table 7. CMOS Compatible ................................................ 33
Figure 9. I
CC1
Current vs. Time (Showing Active and
Automatic Sleep Currents)................................................. 34
Figure 10. Typical I
CC1
vs. Frequency.................................. 34
Test Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Figure 11. Test Setup ....................................................... 35
Table 8. Test Specifications ............................................... 35
Key to Switching Waveforms . . . . . . . . . . . . . . . . 36
Figure 12. Input Waveforms and Measurement Levels........... 36
AC Characteristics. . . . . . . . . . . . . . . . . . . . . . . . . 37
Table 9. Read Operations .................................................. 37
Figure 13. Read Operations Timings.................................... 37
Table 10. Hardware Reset (RESET#) ................................... 38
Figure 14. RESET# Timings ............................................... 38
Table 11. Word/Byte Configuration (BYTE#) ........................ 39
Figure 15. BYTE# Timings for Read Operations..................... 40
Figure 16. BYTE# Timings for Write Operations .................... 40
Table 12. Erase/Program Operations ................................... 41
Figure 17. Program Operation Timings ................................ 42
Figure 18. Chip/Sector Erase Operation Timings................... 43
Figure 19. Data# Polling Timings (During Embedded
Algorithms)..................................................................... 44
Figure 20. Toggle Bit Timings (During Embedded
Algorithms)..................................................................... 44
Figure 21. DQ2 vs. DQ6 .................................................... 45
Table 13. Temporary Sector Unprotect ................................ 45
Figure 22. Temporary Sector Unprotect Timing Diagram........ 45
Figure 23. Sector Protect/Unprotect Timing Diagram............. 46
Table 14. Alternate CE# Controlled Erase/Program
Operation ........................................................................ 47
Figure 24. Alternate CE# Controlled Write Operation
Timings .......................................................................... 48
Table 15. Erase And Programming Performance .................... 48
Table 16. TSOP, SO, And BGA Pin Capacitance ..................... 49
Physical Dimensions. . . . . . . . . . . . . . . . . . . . . . . . 50
TS 048—48-Pin Standard TSOP ....................................................50
VBK 048 - 48 Ball Fine-Pitch Ball Grid Array
(FBGA) 8.15 x 6.15 mm ..........................................................................51
SO 044—44-Pin Small Outline Package ........................................52
Revision Summary . . . . . . . . . . . . . . . . . . . . . . . . . 53
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S29AL004D90BAI013 制造商:SPANSION 制造商全稱(chēng):SPANSION 功能描述:4 Megabit (512 Kx 8-Bit/256 K x 16-Bit) CMOS 3.0 Volt-only Boot Sector Flash Memory
S29AL004D90BAI020 制造商:SPANSION 制造商全稱(chēng):SPANSION 功能描述:4 Megabit (512 Kx 8-Bit/256 K x 16-Bit) CMOS 3.0 Volt-only Boot Sector Flash Memory
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