| 摘要 |
<p>PURPOSE:To improve the degree of integration of a chip by providing a function to discriminate coincidence between recorded data and input data. CONSTITUTION:When signals A0, CSB, and MENB are set to '0' and a signal OEB is set to '1', a select line SL1 is selected, and four memory cells M001, M011, M101, and M111 are made active, and data recorded in these memory cells and inputted comparison data Din are compared with each other. When data recorded in any cell out of four cells coincides with data D, a match line MS corresponding to the cell goes to 'Z' level, and transistors T3 to T6 are turned on, and an output line L0 is pulled down, and an output signal MATCHB goes to the low level. When data recorded in four cells do not coincide with data D at all, the signal MATCHB goes to the high level.</p> |
