AM29LV320DT90WMI 参数 Datasheet PDF下载

型号：	AM29LV320DT90WMI
PDF下载：	下载PDF文件查看货源
内容描述：	32兆位（ 4米×8位/ 2的M× 16位） CMOS 3.0伏只，引导扇区闪存 [32 Megabit (4 M x 8-Bit/2 M x 16-Bit) CMOS 3.0 Volt-only, Boot Sector Flash Memory]
分类和应用：	闪存
文件页数/大小：	55 页 / 887 K
品牌：	SPANSION [ SPANSION ]

TABLE OF CONTENTS

Product Selector Guide . . . . . . . . . . . . . . . . . . . . . 6

Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Connection Diagrams . . . . . . . . . . . . . . . . . . . . . . . 7

Special Package Handling Instructions .................................... 8

Pin Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Logic Symbol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Ordering Information . . . . . . . . . . . . . . . . . . . . . . 10

Device Bus Operations . . . . . . . . . . . . . . . . . . . . . 11

Table 1. Am29LV320D Device Bus Operations ..............................11

Figure 4. Program Operation ......................................................... 27

Chip Erase Command Sequence ........................................... 27

Sector Erase Command Sequence ........................................ 27

Erase Suspend/Erase Resume Commands ........................... 28

Figure 5. Erase Operation.............................................................. 28

Command Definitions ............................................................. 29

Table 14. Am29LV320D Command Definitions ............................. 29

Write Operation Status . . . . . . . . . . . . . . . . . . . . 30

DQ7: Data# Polling ................................................................. 30

Figure 6. Data# Polling Algorithm .................................................. 30

Word/Byte Configuration ........................................................ 11

Requirements for Reading Array Data ................................... 11

Writing Commands/Command Sequences ............................ 12

Accelerated Program Operation .......................................... 12

Autoselect Functions ........................................................... 12

Standby Mode ........................................................................ 12

Automatic Sleep Mode ........................................................... 13

RESET#: Hardware Reset Pin ............................................... 13

Output Disable Mode .............................................................. 13

Table 2. Top Boot Sector Addresses (Am29LV320DT) ..................13

Table 3. Top Boot SecSi

Sector Addresses................................ 14

Table 4. Bottom Boot Sector Addresses (Am29LV320DB) .............15

Table 5. Bottom Boot SecSi

Sector Addresses .......................... 16

RY/BY#: Ready/Busy# ............................................................ 31

DQ6: Toggle Bit I .................................................................... 31

Figure 7. Toggle Bit Algorithm........................................................ 31

DQ2: Toggle Bit II ................................................................... 32

Reading Toggle Bits DQ6/DQ2 ............................................... 32

DQ5: Exceeded Timing Limits ................................................ 32

DQ3: Sector Erase Timer ....................................................... 32

Table 15. Write Operation Status ................................................... 33

Absolute Maximum Ratings . . . . . . . . . . . . . . . . 34

Figure 8. Maximum Negative Overshoot Waveform ...................... 34

Figure 9. Maximum Positive Overshoot Waveform........................ 34

Autoselect Mode ..................................................................... 16

Table 6. Autoselect Codes (High Voltage Method) ........................16

Operating Ranges . . . . . . . . . . . . . . . . . . . . . . . . 34

DC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . 35

Figure 10. I

CC1

Current vs. Time (Showing Active and

Automatic Sleep Currents) ............................................................. 36

Figure 11. Typical I

CC1

vs. Frequency ............................................ 36

Sector/Sector Block Protection and Unprotection .................. 17

Table 7. Top Boot Sector/Sector Block Addresses

for Protection/Unprotection .............................................................17

Table 8. Bottom Boot Sector/Sector Block

Addresses for Protection/Unprotection ...........................................17

Test Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Figure 12. Test Setup.................................................................... 37

Table 16. Test Specifications ......................................................... 37

Figure 13. Input Waveforms and Measurement Levels ................. 37

Write Protect (WP#) ................................................................ 18

Temporary Sector Unprotect .................................................. 18

Figure 1. Temporary Sector Unprotect Operation........................... 18

Figure 2. In-System Sector Protect/Unprotect Algorithms .............. 19

AC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . 38

Figure 14. Read Operation Timings ............................................... 38

Figure 15. Reset Timings ............................................................... 39

SecSi

Sector (Secured Silicon) Flash Memory Region ....... 20

Factory Locked: SecSi Sector Programmed

and Protected at the Factory ............................................... 20

Customer Lockable: SecSi Sector NOT Programmed

or Protected at the Factory .................................................. 20

Figure 3. SecSi Sector Protect Verify.............................................. 21

Word/Byte Configuration (BYTE#) ............................................. 40

Figure 16. BYTE# Timings for Read Operations............................ 40

Figure 17. BYTE# Timings for Write Operations............................ 40

Erase and Program Operations ................................................. 41

Figure 18. Program Operation Timings..........................................

Figure 19. Chip/Sector Erase Operation Timings ..........................

Figure 20. Data# Polling Timings (During Embedded Algorithms).

Figure 21. Toggle Bit Timings (During Embedded Algorithms)......

Figure 22. DQ2 vs. DQ6.................................................................

Hardware Data Protection ...................................................... 21

Low VCC Write Inhibit ......................................................... 21

Write Pulse “Glitch” Protection ............................................ 21

Logical Inhibit ...................................................................... 21

Power-Up Write Inhibit ......................................................... 21

Common Flash Memory Interface (CFI) . . . . . . . 21

Table 9. CFI Query Identification String .......................................... 22

Table 10. System Interface String................................................... 22

Table 11. Device Geometry Definition ............................................ 23

Table 12. Primary Vendor-Specific Extended Query ...................... 24

Temporary Sector Unprotect ..................................................... 46

Figure 23. Temporary Sector Unprotect Timing Diagram .............. 46

Figure 24. Accelerated Program Timing Diagram.......................... 46

Figure 25. Sector/Sector Block Protect and

Unprotect Timing Diagram ............................................................. 47

Alternate CE# Controlled Erase and Program Operations ........ 48

Figure 26. Alternate CE# Controlled Write

(Erase/Program) Operation Timings .............................................. 49

Command Definitions . . . . . . . . . . . . . . . . . . . . . . 25

Reading Array Data ................................................................ 25

Reset Command ..................................................................... 25

Autoselect Command Sequence ............................................ 25

Table 13. Autoselect Codes ............................................................25

Enter SecSi

Sector/Exit SecSi Sector

Command Sequence .............................................................. 26

Byte/Word Program Command Sequence ............................. 26

Unlock Bypass Command Sequence .................................. 26

Erase And Programming Performance . . . . . . . 50

Latchup Characteristics . . . . . . . . . . . . . . . . . . . 50

TSOP and BGA Package Capacitance . . . . . . . . 50

Data Retention . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

Physical Dimensions . . . . . . . . . . . . . . . . . . . . . . 51

FBD048—48-ball Fine-Pitch Ball Grid Array (FBGA)

6 x 12 mm package ................................................................... 51

TS 048—48-Pin Standard TSOP ............................................... 52

Revision Summary . . . . . . . . . . . . . . . . . . . . . . . . 53

November 15, 2004

Am29LV320D

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AM29LV320DT90WMI 参数 Datasheet PDF下载

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