Digital Systems (12th Edition)

Chapter 12

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; ; ; The second number of the memory capacity is... more

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Read (fetch) operation will search the memory ... more

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Volatile memory requires the electrical power to ... more

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The access time to fetch the data at any memory ... more

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In case of Read/Write Memory (RWM), any memory can... more

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Dynamic memory will hold its data unless it is ... more

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Address inputs; Data inputs; Data outputs ; The ... more

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The function of is to allow the memory to store ... more

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Memory enable input enables or disables the memory... more

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Address lines, data lines, and control lines are ... more

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The required steps are given below:The CPU is the ... more

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The bus lines carries the data required to be ... more

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Volatile memory is faster than non-volatile memory... more

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Employ the required inputs of address and actuate ... more

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Programming or burning-in a ROM:The information is... more

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All the catalogs in the selected row's accredited ... more

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RD ; The RD signal from a microcontroller would be... more

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  The time is when the new address is valid and ... more

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The manufacturer programs the computer memory chip... more

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PROM is user-programmable where MROM is programmed... more

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The fusible-link PROM structure is similar to the ... more

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EPROM is a programmable read-only memory (PROM) ... more

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EEPROM is an electrically erasable programmable ... more

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EEPROMs allow their contents to be easily ... more

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EEPROM devices are more expensive.The erase ... more

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EEPROM ; PROM erases the data by using UV light ... more

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UVEPROM is Ultraviolet Erasable Programmable Read ... more

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The logic 1 is represented in a EEPROM cell as a ... more

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The flash memory stores the data without the use ... more

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Flash memory uses NAND-type memory, while EEPROM ... more

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Flash is the improvement of EEPROM. ; The latest ... more

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The command register carries out all of the chip ... more

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Electrical configuration of the flash memory is ... more

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NOR ; The initial flash devices are designed to ... more

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NAND flash configuration is used in USB thumb ... more

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When the computer is turned on, it runs a small ... more

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The code converters used to convert one type of ... more

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The main elements of a function generator are ... more

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Ram is volatile because as the power is turned off... more

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RAM can be easily read, erased and written data ... more

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ROMs can also be the memory devices that can be ... more

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To reduce the pin count.  ; The same pins are used... more

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SRAM cells are made by the flip-flops whereas DRAM... more

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Memory ; When randomly one register is selected to... more

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CPU ; CPU is the device which places the data on ... more

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Read and write-cycle timing parameters. ; The ... more

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Generally DRAM has slower speed than SRAM. DRAM ... more

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DRAM consumes low power as compared with SRAM.DRAM... more

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To reduce the pin count.  ; The same pins are used... more

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The 64K X 1 DRAM chip has 16 address bits. ... more

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10 address inputs for 1M X 1 DRAM chip. ; The 1M X... more

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is used to store the row address into the row ... more

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The signal multiplexes the full address into the ... more

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MUX ; The MUX signal ensures that the correct ... more

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During refresh cycles, the refresh counter ... more

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The functions are the refresh operation and ... more

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SIMM stands for single-in-line memory module and ... more

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A memory location that have the same upper address... more

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Extended data output ; EDO stands for extended ... more

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Burst ; The Burst is used to access several ... more

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DDR transfers the data on the rising and falling ... more

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Speed of the system. ; DDR (Double Data Rate) uses... more

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Hard disk drives are the most common magnetic ... more

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Magnetoresistive random access memory (MRAM) is ... more

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Low priced storage devices, Very large storage ... more

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16 ; The value of in memory capacity of is .... more

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When combining memory chips it is not required to ... more

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When combining memory chips it is required to ... more

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Cache memory speeds up processing and optimizes ... more

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Data is read from memory in the sequence in which ... more

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Data-rate buffers transfer the data between the ... more

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When all of the locations in a linear buffer are ... more

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16384, 32, 524288 ; Calculate the number of words ... more

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16384 ; Calculate the number of addresses required... more

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; Calculate the number of words stored in the ... more

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Data input lines=16Data output lines=16Address ... more

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 , and ; When the address inputs and are equal ... more

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; The data output waveform will be according to ... more

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5E, BA, 05, 2F, 99, FB, 00, ED, 3C, FF, B8, C7, 27... more

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For modifying the circuit, it requires a total ... more

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Follow the below steps to modify the circuit.... more

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PROM stands for programmable read only memory and ... more

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Desired address must be applied to address inputs... more

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24, including the supply voltage and ground. ; 64K... more

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CMOS ; Bipolar cells, NMOS cells, and CMOS cells ... more

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Address multiplexing saves pins on the chip. ; ... more

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In page mode, only the column address must be ... more

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