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MBM29LV160BE Datasheet(PDF) 2 Page - Fujitsu Component Limited. |
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MBM29LV160BE Datasheet(HTML) 2 Page - Fujitsu Component Limited. |
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2 / 59 page  MBM29LV160TE/BE-70/90/12 2 (Continued) The device also features a sector erase architecture. The sector mode allows each sector to be erased and reprogrammed without affecting other sectors. The MBM29LV160TE/BE is erased when shipped from the factory. The device features single 3.0 V power supply operation for both read and write functions. Internally generated and regulated voltages are provided for the program and erase operations. A low VCC detector automatically inhibits write operations on the loss of power. The end of program or erase is detected by Data Polling of DQ7, by the Toggle Bit feature on DQ6, or the RY/BY output pin. Once the end of a program or erase cycle has been comleted, the device internally resets to the read mode. The MBM29LV160TE/BE also has a hardware RESET pin. When this pin is driven low, execution of any Em- bedded Program Algorithm or Embedded Erase Algorithm is terminated. The internal state machine is then reset to the read mode. The RESET pin may be tied to the system reset circuitry. Therefore, if a system reset occurs during the Embedded Program Algorithm or Embedded Erase Algorithm, the device is automatically reset to the read mode and will have erroneous data stored in the address locations being programmed or erased. These locations need re-writing after the Reset. Resetting the device enables the system’s micropro- cessor to read the boot-up firmware from the Flash memory. Fujitsu’s Flash technology combines years of Flash memory manufacturing experience to produce the highest levels of quality, reliability, and cost effectiveness. The MBM29LV160TE/BE memory electrically erases all bits within a sector simultaneously via Fowler-Nordhiem tunneling. The bytes/words are programmed one byte/word at a time using the EPROM programming mechanism of hot electron injection. * : s PACKAGES 48-pin plastic TSOP (I) (FPT-48P-M19) 48-pin plastic CSOP (LCC-48P-M03) 48-pin plastic TSOP (I) (FPT-48P-M20) 48-pin plastic FBGA (BGA-48P-M11) Marking Side Marking Side Embedded EraseTM and Embedded ProgramTM are trademarks of Advanced Micro Devices, Inc. |
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