Dynamic memory and method for testing a dynamic memory
First Claim
Patent Images
1. A dynamic memory comprising:
- a memory cell array;
a test controller to test the memory cell array, and an oscillator to control a refresh of the memory cell array, which has for a unit to utilize the oscillator as a time base for the test controller.
4 Assignments
0 Petitions
Accused Products
Abstract
The invention relates to a dynamic memory having a memory cell array, a test controller to test the memory cell array and an oscillator to control the refreshing of the memory cell array. According to the invention, the memory includes a device for using the oscillator as a time base for the test controller, such that a slow time base is achieved which may be used for different self-tests of the memory.
-
Citations
13 Claims
-
1. A dynamic memory comprising:
-
a memory cell array; a test controller to test the memory cell array, and an oscillator to control a refresh of the memory cell array, which has for a unit to utilize the oscillator as a time base for the test controller. - View Dependent Claims (2, 3, 4, 5, 6, 7)
-
- 8. A method for testing a dynamic memory, which comprises a memory cell array, a test controller to test the memory cell array and an oscillator to control a refresh of the memory cell array, comprising generating at least one signal to control a test operation of the memory cell array by the test controller from the output signal of the oscillator.
Specification