摘要:
A single latch circuit is coupled to each bit line in a multiple level cell memory device to handle reading multiple data bits. The circuit is comprised of a latch having an inverted node and a non-inverted node. A first control transistor selectively couples the non-inverted node to a latch output. A second control transistor selectively couples the inverted node to the latch output. A reset transistor is coupled between the inverted node and circuit ground to selectively ground the circuit when the transistor is turned on.
摘要:
Methods and apparatus for programming a memory cell using one or more blocking memory cells facilitate mitigation of capacitive voltage coupling. The methods include applying a program voltage to a selected memory cell of a string of memory cells, and applying a cutoff voltage to a set of one or more memory cells of the string between the selected memory cell and a select gate. The methods further include applying a pass voltage to one or more other memory cells of the string between the selected memory cell and the select gate. Other methods further include applying other pass voltages, other cutoff voltages and/or intermediate voltages to still other memory cells of the string.
摘要:
A single latch circuit is coupled to each bit line in a multiple level cell memory device to handle reading multiple data bits. The circuit is comprised of a latch having an inverted node and a non-inverted node. A first control transistor selectively couples the non-inverted node to a latch output. A second control transistor selectively couples the inverted node to the latch output. A reset transistor is coupled between the inverted node and circuit ground to selectively ground the circuit when the transistor is turned on.
摘要:
A temperature sensor generates a digital representation of the temperature of the integrated circuit. A logic circuit reads the digital temperature and generates a multiple bit digital representation of an operational voltage and a multiple bit digital representation of a timing signal, both being functions of the integrated circuit temperature. A voltage generator converts the digital representation of the operational voltage to an analog voltage that biases portions of the integrated circuit requiring temperature compensated voltages. In one embodiment, the temperature compensated voltages bias memory cells. A timing generator converts the multiple bit digital representation of the timing signal to a logic signal.
摘要:
Apparatus and methods for filtering spurious output transitions with an adaptive filtering circuit which tracks the memory architecture and form factors with a reduced speed penalty. The filtering is selectable by a fuse option.
摘要:
A single latch circuit is coupled to each bit line in a multiple level cell memory device to handle reading multiple data bits. The circuit is comprised of a latch having an inverted node and a non-inverted node. A first control transistor selectively couples the non-inverted node to a latch output. A second control transistor selectively couples the inverted node to the latch output. A reset transistor is coupled between the inverted node and circuit ground to selectively ground the circuit when the transistor is turned on.
摘要:
A single latch circuit is coupled to each bit line in a multiple level cell memory device to handle reading multiple data bits. The circuit is comprised of a latch having an inverted node and a non-inverted node. A first control transistor selectively couples the non-inverted node to a latch output. A second control transistor selectively couples the inverted node to the latch output. A reset transistor is coupled between the inverted node and circuit ground to selectively ground the circuit when the transistor is turned on.
摘要:
Memory devices having a normal mode of operation and a test mode of operation are useful in quality programs. The test mode of operation includes a data compression test mode. In the data compression test mode, reading one word of an output page provides an indication of the data values of the remaining words of the output page. The time necessary to read and verify a repeating test pattern can be reduced as only one word of each output page need be read to determine the ability of the memory device to accurately write and store data values. The memory devices include data compression circuits to compare data values for each bit location of each word of the output page. Output is selectively disabled if a bit location for one word of the output page has a data value differing from any remaining word of the output page.
摘要:
An enhanced fuse circuit is discussed that advances redundancy techniques in integrated circuits. The enhanced fuse circuit uses a single nonvolatile fuse and a latch that is coupled at a desired time. One embodiment of the invention discusses a fuse circuit that includes a volatile latch and a nonvolatile fuse. The nonvolatile fuse adapts to operate with a voltage supply greater than about 1.65 volts. The voltage supply is boosted at a desired time to a predetermined level and for a predetermined duration so that the nonvolatile fuse transfers its data to the volatile latch.
摘要:
Fuse circuits based on a single flash cell or floating-gate memory cell are adapted for use in memory devices, particularly in low-voltage, flash memory applications. The fuse circuits include a floating-gate memory cell for storing a data value and a fuse latch to hold and transfer the data value of the floating-gate memory cell at power-up or upon request. A latch driver circuit can write data values to the fuse latch without affecting the data value stored in the floating-gate memory cell. The fuse circuits can further utilize the same structure, pitch, bit-line organization and word-line organization as the memory device's memory array. As the fuse circuits can utilize the same structure and organization, the data value of the fuse circuit can be programmed, erased and read using the same data path as the regular memory array.