5476

5476 DM5476 DM7476 Dual Master-Slave J-K Flip-Flops with Clear Preset and Complementary Outputs June 1989 5476 DM5476 DM7476 Dual Master-Slave J-K Flip-Flops with Clear Preset and Complementary Outputs General Description This device contains two independent positive pulse triggered 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 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 Military Aerospace device (5476) is available Contact a National Semiconductor Sales Office Distributor for specifications Connection Diagram Function Table Dual-In-Line Package TL F 6528 – 1 Order Number 5476DMQB 5476FMQB DM5476J DM5476W or DM7476N See NS Package Number J16A N16E or W16A Inputs Outputs PR CLR CLK J K Q Q LH HL LL HH HH HH HH X XX H L X XX L H X XX H H LL HL Q0 H Q0 L LH L H HH Toggle H e High Logic Level L e Low Log...