Suppose an array of EPROM cells, see Fig. 16.57, consisting of two row lines and four bit lines is designed. Further assume VT H N,E r a s e d= 1 V and VTHN,P r o g=4V Will there be any problems reading the memory out of the array if an unused row line is grounded while the accessed row line is driven to 5 V ? Explain why or why not.
Row of floating gate devices. When programming the word line is driven to a high voltage. To program a specific cell, its bit line is also driven to a high voltage. To leave the cell erased, the bit line is held at ground.
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