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M295V800AB70M1T Datasheet(PDF) 2 Page - STMicroelectronics |
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M295V800AB70M1T Datasheet(HTML) 2 Page - STMicroelectronics |
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2 / 21 page  M29F800AT, M29F800AB 2/21 Figure 2A. TSOP Connections DQ3 DQ9 DQ2 DQ0 DQ6 DQ13 DQ14 DQ12 DQ10 DQ15A–1 VCC DQ4 DQ5 DQ7 AI02199 M29F800AT M29F800AB 12 1 13 24 25 36 37 48 DQ8 DQ1 DQ11 A16 BYTE VSS A0 VSS A6 A3 A8 A9 A17 A10 A2 A7 NC NC NC NC A1 A18 A4 A5 A12 A13 A11 A15 A14 RP W RB G E Table 1. Signal Names A0-A18 Address Inputs DQ0-DQ7 Data Inputs/Outputs DQ8-DQ14 Data Inputs/Outputs DQ15A–1 Data Input/Output or Address Input E Chip Enable G Output Enable W Write Enable RP Reset/Block Temporary Unprotect RB Ready/Busy Output BYTE Byte/Word Organization Select VCC Supply Voltage VSS Ground NC Not Connected Internally SUMMARY DESCRIPTION The M29F800A is an 8 Mbit (1Mb x8 or 512Kb x16) non-volatile memory that can be read, erased and reprogrammed. These operations can be per- formed using a single 5V supply. On power-up the memory defaults to its Read mode where it can be read in the same way as a ROM or EPROM. The memory is divided into blocks that can be erased independently so it is possible to preserve valid data while old data is erased. Each block can be protected independently to prevent accidental Program or Erase commands from modifying the memory. Program and Erase commands are writ- ten to the Command Interface of the memory. An on-chip Program/Erase Controller simplifies the process of programming or erasing the memory by taking care of all of the special operations that are required to update the memory contents. The end of a program or erase operation can be detected and any error conditions identified. The command set required to control the memory is consistent with JEDEC standards. Figure 2B. SO Connections G DQ0 DQ8 A3 A0 E VSS A2 A1 A13 VSS A14 A15 DQ7 A12 A16 BYTE DQ15A–1 DQ5 DQ2 DQ3 VCC DQ11 DQ4 DQ14 A9 W RB A4 A18 RP A7 AI02101B M29F800AT M29F800AB 8 2 3 4 5 6 7 9 10 11 12 13 14 15 16 32 31 30 29 28 27 26 25 24 23 22 20 19 18 17 DQ1 DQ9 A6 A5 DQ6 DQ13 44 39 38 37 36 35 34 33 A11 A10 DQ10 21 DQ12 40 43 1 42 41 A17 A8 |
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