DATA SHIFTING VIA A NUMBER OF ISOLATION DEVICES
First Claim
Patent Images
1. An apparatus for data shifting, comprising:
- a first memory cell coupled to a first sense line of an array;
a first isolation device located between the first memory cell and first sensing circuitry corresponding thereto; and
a second isolation device located between the first memory cell and second sensing circuitry corresponding to a second sense line;
wherein the first and the second isolation devices are operated to shift data in the array without transferring the data via an input/output line of the array.
8 Assignments
0 Petitions
Accused Products
Abstract
The present disclosure includes apparatuses and methods related to data shifting. An example apparatus comprises a first memory cell coupled to a first sense line of an array, a first isolation device located between the first memory cell and first sensing circuitry corresponding thereto, and a second isolation device located between the first memory cell and second sensing circuitry corresponding to a second sense line. The first and the second isolation devices are operated to shift data in the array without transferring the data via an input/output line of the array.
269 Citations
41 Claims
-
1. An apparatus for data shifting, comprising:
-
a first memory cell coupled to a first sense line of an array; a first isolation device located between the first memory cell and first sensing circuitry corresponding thereto; and a second isolation device located between the first memory cell and second sensing circuitry corresponding to a second sense line; wherein the first and the second isolation devices are operated to shift data in the array without transferring the data via an input/output line of the array. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
-
-
15. A method for data shifting, comprising:
-
sensing a data value stored in a memory cell coupled to a first sense line and to a particular access line; and shifting the sensed data value to a memory cell coupled to a second sense line by; enabling an isolation device coupled to the first sense line and to the second sense line; and activating a selected access line; wherein shifting the sensed data value to the memory cell coupled to the second sense line comprises transferring the sensed data value from sensing circuitry coupled to the first sense line to the memory cell coupled to the second sense line without transferring the sensed data value to sensing circuitry coupled to the second sense line; and wherein the sensing circuitry coupled to the first sense line comprises a first sense amplifier and a first accumulator, and the sensing circuitry coupled to the second sense line comprises a second sense amplifier and a second accumulator, and wherein the method includes transferring the sensed data value from the first accumulator to the memory cell coupled to the second sense line upon activation of the selected access line while the isolation device is enabled. - View Dependent Claims (18, 19, 21, 22, 23, 41)
-
-
16. (canceled)
-
17. (canceled)
-
20. (canceled)
-
24. A method for shifting a data value stored in a memory cell to an adjacent memory cell, the method comprising:
-
for shifting the data value in a first direction; sensing the data value stored in the memory cell by enabling a first isolation device located between the memory cell and sensing circuitry corresponding to a sense line to which the memory cell is coupled; and enabling a second isolation device located between the sensing circuitry corresponding to the sense line to which the memory cell is coupled and an adjacent memory cell in the first direction to write the data value to the adjacent memory cell in the first direction; and for shifting the data value in a second direction; sensing the data value stored in the memory cell by enabling a third isolation device located between the memory cell and sensing circuitry corresponding to an adjacent sense line to which the adjacent memory cell in the second direction is coupled; and enabling a fourth isolation device located between the adjacent memory cell in the second direction and the sensing circuitry corresponding to the adjacent sense line to write the data value from the sensing circuitry corresponding to the adjacent sense line to the adjacent memory cell in the second direction.
-
-
25. An apparatus for data shifting, comprising:
-
an array of memory cells; sensing circuitry coupled to a number of sense lines of the array; a first isolation device located between the sensing circuitry corresponding to a particular sense line and memory cells coupled to the particular sense line; a second isolation device located between the memory cells coupled to the particular sense line and the sensing circuitry corresponding to an adjacent sense line; a third isolation device located between the sensing circuitry corresponding to the particular sense line and memory cells coupled to an opposite adjacent sense line; and a controller coupled to the array and configured to selectively enable the first isolation device, the second isolation device, and the third isolation device via control signals to facilitate shifting of data along a selected access line of the array. - View Dependent Claims (26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36)
-
-
37. An apparatus for data shifting, comprising:
-
a number of first isolation devices coupled to a respective number of sense lines and located between memory cells of the sense lines and a respective number of sensing circuitries corresponding thereto; a number of second isolation devices located between the respective number of sensing circuitries and memory cells of a respective number of adjacent sense lines; and a controller configured to at least one of; enable the number of second isolation devices to transfer data values from the number of sensing circuitries corresponding to the number of sense lines to memory cells of the respective number of adjacent sense lines without sensing the data values using sensing circuitries corresponding to the respective number of adjacent sense lines; and enable the number of second isolation devices to transfer data values from memory cells of the respective number of adjacent sense lines to the number of sensing circuitries corresponding to the number of sense lines while the number of first isolation devices are disabled.
-
-
38. A method for data shifting, comprising:
-
sensing a data value stored in a memory cell coupled to a first sense line and to a particular access line; and shifting the sensed data value to a memory cell coupled to a second sense line by; enabling an isolation device coupled to the first sense line and to the second sense line; and activating a selected access line; wherein the isolation device is a transistor having a first node coupled to the first sense line and a second node coupled to the second sense line, and wherein enabling includes providing a signal to a gate of the transistor; and wherein the first sense line is one of a pair of complementary sense lines and the second sense line is one of a pair of complementary sense lines, and wherein providing the signal to the gate of the transistor comprises providing the signal to a gate of another transistor coupled to a complementary sense line of the first sense line and to a complementary sense line of the second sense line. - View Dependent Claims (39, 40)
-
Specification