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DM7476N датащи(PDF) 1 Page - Fairchild Semiconductor |
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DM7476N датащи(HTML) 1 Page - Fairchild Semiconductor |
1 / 4 page © 2001 Fairchild Semiconductor Corporation DS006528 www.fairchildsemi.com September 1986 Revised July 2001 DM7476 Dual Master-Slave J-K Flip-Flops with Clear, Preset, and Complementary Outputs General Description This device contains two independent positive pulse trig- gered J-K flip-flops with complementary outputs. The J and K data is processed by the flip-flop after a complete clock pulse. While the clock is LOW the slave is isolated from the master. On the positive transition of the clock, the data from the J and K inputs is transferred to the master. While the clock is HIGH the J and K inputs are disabled. On the negative transition of the clock, the data from the master is transferred to the slave. The logic state of J and K inputs must not be allowed to change while the clock is HIGH. The data is transferred to the outputs on the falling edge of the clock pulse. A LOW logic level on the preset or clear inputs will set or reset the outputs regardless of the logic levels of the other inputs. Ordering Code: Connection Diagram Function Table H = HIGH Logic Level L = LOW Logic Level X = Either LOW or HIGH Logic Level = Positive pulse data. The J and K inputs must be held constant while the clock is HIGH. Data is transferred to the outputs on the falling edge of the clock pulse. Q0 = The output logic level before the indicated input conditions were established. Toggle = Each output changes to the complement of its previous level on each complete active HIGH level clock pulse. Note 1: This configuration is nonstable; that is, it will not persist when the preset and/or clear inputs return to their inactive (HIGH) level. Order Number Package Number Package Description DM7476N N16E 16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300" Wide Inputs Outputs PR CLR CLK J K Q Q LH X X X H L HL X X X L H LL X X X H (Note 1) H (Note 1) HH LL Q0 Q0 HH HL H L HH LH L H HH H H Toggle |
Аналогичный номер детали - DM7476N |
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Аналогичное описание - DM7476N |
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