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M58WR032KL60ZA6U Datasheet(PDF) 2 Page - STMicroelectronics |
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M58WR032KL60ZA6U Datasheet(HTML) 2 Page - STMicroelectronics |
2 / 10 page Description M58WRxxxKU, M58WRxxxKL 2/10 1 Description The M58WR016KU/L and M58WR032KU/L are 16-Mbit (1 Mbit ×16) and 32- Mbit (2 Mbit ×16) non-volatile Flash memories, respectively. In the rest of the document, they will be referred to as M58WRxxxKU/L unless otherwise specified. The M58WRxxxKU/L may be erased electrically at block level and programmed in-system on a word-by-word basis using a 1.7 V to 2 V VDD supply for the circuitry and a 1.7 V to 2 V VDDQ supply for the Input/Output pins. An optional 9 V VPP power supply is provided to speed up customer programming. The first sixteen address lines are multiplexed with the Data Input/Output signals on the multiplexed address/data bus ADQ0-ADQ15. The remaining address lines, A16-Amax, are the Most Significant Bit addresses. The device features an asymmetrical block architecture: ● the M58WR016KU/L have an array of 39 blocks, and are divided into 4 Mbit banks. There are 3 banks each containing 8 main blocks of 32 KWords, and one parameter bank containing 8 parameter blocks of 4 KWords and 7 main blocks of 32 KWords. ● the M58WR032KU/L have an array of 71 blocks, and are divided into 4 Mbit banks. There are 7 banks each containing 8 main blocks of 32 KWords, and one parameter bank containing 8 parameter blocks of 4 KWords and 7 main blocks of 32 KWords The Multiple Bank Architecture allows Dual Operations, while programming or erasing in one bank, Read operations are possible in other banks. Only one bank at a time is allowed to be in Program or Erase mode. It is possible to perform burst reads that cross bank boundaries. The Parameter Blocks are located at the top of the memory address space for the M58WR016KU and M58WR032KU, and at the bottom for the M58WR016KL and M58WR032KL. Each block can be erased separately. Erase can be suspended, in order to perform program in any other block, and then resumed. Program can be suspended to read data in any other block and then resumed. Each block can be programmed and erased over 100 000 cycles using the supply voltage VDD. There are two Enhanced Factory programming commands available to speed up programming. Program and Erase commands are written to the Command Interface of the memory. An internal Program/Erase Controller takes care of the timings necessary for program and erase operations. The end of a program or erase operation can be detected and any error conditions identified in the Status Register. The command set required to control the memory is consistent with JEDEC standards. The device supports synchronous burst read and asynchronous read from all blocks of the memory array; at power-up the device is configured for asynchronous read. In synchronous burst mode, data is output on each clock cycle at frequencies of up to 86 MHz. The synchronous burst read operation can be suspended and resumed. |
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