How long does the Enhanced Mini-ACE™’s RAM self-test take to perform?
A. The memory test takes a total of 10 clock cycles per RAM location. That is, for each word location, it takes 5 clocks to write and read/verify the “data = address” pattern, and another 5 clocks to write and read/verify the “data = inverted address” pattern. Therefore, for an Enhanced Mini-ACE™ hybrid with 4K RAM locations, it takes a total of 40,960 clock cycles to perform the memory self-test. For a clock frequency of 16 MHz, this is 2.56 ms. For a hybrid with 64K RAM locations, it takes a total of 655,360 clock cycles to run the memory self-test.
Related Questions
- For the Enhanced Mini-ACE™ built-in self-test, if the flag supplying the results of the comprehensive protocol self-test and RAM self-test is faulted in the "PASS" state, how is that detected?
- How long does the Enhanced Mini-ACE™’s RAM self-test take to perform?
- What exactly is done in the Enhanced Mini-ACE™ RAM self-test?
