| 摘要 |
PROBLEM TO BE SOLVED: To easily judge whether stored information of a loaded memory element is destroyed or not. SOLUTION: Production year information, production month information, and production day information are stored by a 7-bit capacity, a 4-bit capacity and a 5-bit capacity to an address 28, an address 2F and an address 33 of a memory element 80K respectively. Moreover, production hour information and production minute information are stored by a 5-bit capacity and a 6-bit capacity to an address 38 and an address 3D respectively. Whether the memory element 80K normally functions or not is judged with the use of the production month information among these information. |
