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    AM29F400BT-50EF 参数 Datasheet PDF下载

    AM29F400BT-50EF图片预览
    型号： AM29F400BT-50EF
    PDF下载： 下载PDF文件 查看货源
    内容描述： [Flash, 256KX16, 50ns, PDSO48, LEAD FREE, MO-142BDD, TSOP-48]
    分类和应用： 光电二极管内存集成电路
    文件页数/大小： 43 页 / 860 K
    品牌： CYPRESS [ CYPRESS SEMICONDUCTOR ]
     浏览型号AM29F400BT-50EF的Datasheet PDF文件第1页浏览型号AM29F400BT-50EF的Datasheet PDF文件第2页浏览型号AM29F400BT-50EF的Datasheet PDF文件第3页浏览型号AM29F400BT-50EF的Datasheet PDF文件第4页浏览型号AM29F400BT-50EF的Datasheet PDF文件第6页浏览型号AM29F400BT-50EF的Datasheet PDF文件第7页浏览型号AM29F400BT-50EF的Datasheet PDF文件第8页浏览型号AM29F400BT-50EF的Datasheet PDF文件第9页  
    D A T A
    S H E E T
    TABLE OF CONTENTS
    Product Selector Guide . . . . . . . . . . . . . . . . . . . . .
    Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . .
    Connection Diagrams . . . . . . . . . . . . . . . . . . . . . .
    Pin Configuration . . . . . . . . . . . . . . . . . . . . . . . . . .
    Logic Symbol . . . . . . . . . . . . . . . . . . . . . . . . . . . .
    Ordering Information . . . . . . . . . . . . . . . . . . . . . . .
    Device Bus Operations . . . . . . . . . . . . . . . . . . . . .
    4
    4
    5
    6
    6
    7
    8
    DC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . 23
    TTL/NMOS Compatible .......................................................... 23
    CMOS Compatible .................................................................. 24
    Test Conditions. . . . . . . . . . . . . . . . . . . . . . . . . . . 25
    Figure 8. Test Setup....................................................................... 25
    Table 7. Test Specifications ........................................................... 25
    Table 1. Am29F400B Device Bus Operations .................................. 8
    Word/Byte Configuration .......................................................... 8
    Requirements for Reading Array Data ..................................... 8
    Writing Commands/Command Sequences .............................. 8
    Program and Erase Operation Status ...................................... 9
    Standby Mode .......................................................................... 9
    RESET#: Hardware Reset Pin ................................................. 9
    Output Disable Mode ................................................................ 9
    Table 2. Am29F400BT Top Boot Block Sector Address Table ....... 10
    Table 3. Am29F400BB Bottom Boot Block Sector Address Table.. 10
    Key to Switching Waveforms. . . . . . . . . . . . . . . . 25
    AC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . 26
    Read Operations .................................................................... 26
    Figure 9. Read Operations Timings ............................................... 26
    Hardware Reset (RESET#) .................................................... 27
    Figure 10. RESET# Timings .......................................................... 27
    Word/Byte Configuration (BYTE#)
    ...................................... 28
    Figure 11. BYTE# Timings for Read Operations............................ 28
    Figure 12. BYTE# Timings for Write Operations............................ 28
    Erase/Program Operations ..................................................... 29
    Figure 13. Program Operation Timings..........................................
    Figure 14. Chip/Sector Erase Operation Timings ..........................
    Figure 15. Data# Polling Timings (During Embedded Algorithms).
    Figure 16. Toggle Bit Timings (During Embedded Algorithms)......
    Figure 17. DQ2 vs. DQ6.................................................................
    30
    31
    32
    32
    33
    Autoselect Mode ..................................................................... 10
    Table 4. Am29F400B Autoselect Codes (High Voltage Method) .... 11
    Sector Protection/Unprotection ............................................... 11
    Temporary Sector Unprotect .................................................. 11
    Figure 1. Temporary Sector Unprotect Operation........................... 11
    Temporary Sector Unprotect .................................................. 33
    Figure 18. Temporary Sector Unprotect Timing Diagram .............. 33
    Hardware Data Protection ...................................................... 12
    Low V
    CC
    Write Inhibit ...................................................................... 12
    Write Pulse “Glitch” Protection........................................................ 12
    Logical Inhibit .................................................................................. 12
    Power-Up Write Inhibit .................................................................... 12
    Alternate CE# Controlled Erase/Program Operations ............ 34
    Figure 19. Alternate CE# Controlled Write Operation Timings ...... 35
    Command Definitions . . . . . . . . . . . . . . . . . . . . . 13
    Reading Array Data ................................................................ 13
    Reset Command ..................................................................... 13
    Autoselect Command Sequence ............................................ 13
    Word/Byte Program Command Sequence ............................. 13
    Figure 2. Program Operation .......................................................... 14
    Chip Erase Command Sequence ........................................... 14
    Sector Erase Command Sequence ........................................ 14
    Erase Suspend/Erase Resume Commands ........................... 16
    Figure 3. Erase Operation............................................................... 16
    Table 5. Am29F400B Command Definitions................................... 17
    Write Operation Status . . . . . . . . . . . . . . . . . . . . 18
    DQ7: Data# Polling ................................................................. 18
    Figure 4. Data# Polling Algorithm ................................................... 18
    RY/BY#: Ready/Busy# ........................................................... 19
    DQ6: Toggle Bit I .................................................................... 19
    DQ2: Toggle Bit II ................................................................... 19
    Reading Toggle Bits DQ6/DQ2 .............................................. 19
    DQ5: Exceeded Timing Limits ................................................ 20
    DQ3: Sector Erase Timer ....................................................... 20
    Figure 5. Toggle Bit Algorithm......................................................... 20
    Table 6. Write Operation Status...................................................... 21
    Absolute Maximum Ratings . . . . . . . . . . . . . . . . 22
    Figure 6. Maximum Negative Overshoot Waveform ....................... 22
    Figure 7. Maximum Positive Overshoot Waveform......................... 22
    Erase and Programming Performance . . . . . . . . 36
    Latchup Characteristics . . . . . . . . . . . . . . . . . . . . 36
    TSOP and SO Pin Capacitance . . . . . . . . . . . . . . 36
    Data Retention. . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
    Physical Dimensions . . . . . . . . . . . . . . . . . . . . . . 37
    TS 048—48-Pin Standard Thin Small Outline Package ......... 37
    SO 044—44-Pin Small Outline Package ................................ 38
    Revision Summary . . . . . . . . . . . . . . . . . . . . . . . . 39
    Revision A (August 1997) ....................................................... 39
    Revision B (October 1997) ..................................................... 39
    Revision C (January 1998) ..................................................... 39
    Revision C+1 (February 1998) ............................................... 39
    Revision C+2 (April 1998) ....................................................... 39
    Revision C+3 (June 1998) ...................................................... 39
    Revision C+4 (August 1998) ................................................... 40
    Revision D (January 1999) ..................................................... 40
    Revision D+1 (July 2, 1999) ................................................... 40
    Revision E (November 15, 1999) ............................................ 40
    Revision E+1 (November 30, 2000) ....................................... 40
    Revision E+2 (June 4, 2004) .................................................. 40
    Revision E+3 (December 22, 2005) ....................................... 40
    Revision E4 (May 18, 2006) ................................................... 40
    Revision E5 (November 1, 2006) ............................................ 40
    Revision E6 (March 3, 2009) .................................................. 40
    Revision E7 (August 3, 2009) ................................................. 40
    Revision E8 (November 11, 2009) .......................................... 40
    Operating Ranges . . . . . . . . . . . . . . . . . . . . . . . . 22
    November 11, 2009 21505E8
    Am29F400B
    3

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