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DM5476 Datasheet(PDF) 1 Page - National Semiconductor (TI) |
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DM5476 Datasheet(HTML) 1 Page - National Semiconductor (TI) |
1 / 4 page ![]() TLF6528 June 1989 5476DM5476DM7476 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 nega- tive transition of the clock the data from the master is trans- ferred 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 transfered 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 Features Y Alternate MilitaryAerospace device (5476) is available Contact a National Semiconductor Sales OfficeDistrib- utor for specifications Connection Diagram Dual-In-Line Package TLF6528 – 1 Order Number 5476DMQB 5476FMQB DM5476J DM5476W or DM7476N See NS Package Number J16A N16E or W16A Function Table 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 H HH LL Q0 Q0 HH HL H L HH LH L H HH H H Toggle H e High Logic Level L e Low Logic Level X e Either Low or High Logic Level e Positive pulse data The J and K inputs must be held constant while the clock is high Data is transfered to the outputs on the falling edge of the clock pulse e This configuration is nonstable that is it will not persist when the preset andor clear inputs return to their inactive (high) level Q0 e The output logic level before the indicated input conditions were es- tablished Toggle e Each output changes to the complement of its previous level on each complete active high level clock pulse C1995 National Semiconductor Corporation RRD-B30M105Printed in U S A |