| 摘要 |
PURPOSE:To improve the degree of circuit integration of an integrated circuit by generating a pulse signal with less number of wires and elements based on the count value of a counter. CONSTITUTION:When a set signal 18a of a set input terminal 18 is inverted from a logical high to a logical low level, a binary counter 21 counts down a clock signal 17a. When a binary output reaches a prescribed count value NP1 [00001100] at a time t1, an output level of a detecting gate 19 goes to a low potential and a detecting signal 19a is outputted. This signal 19a sets an RSFF22 and the level of a pulse signal output terminal 23 changes from a low to a high level. When a binary output of the counter 21 reaches [00001011] at a time t2, the output of the detection gate 19 is returned to high level and the detection is completed. |
