Part # 54LS109 datasheet

Part Manufacturer: National Semiconductor

National Semiconductor

Part Description: 54LS109 DM54LS109A Dual Positive-Edge-Triggered J- Flip-Flops with Preset, Clear, and Complementary Outputs

Part Details:

with 54LS109DM54LS109ADM74LS109A June 1989 Preset 54LS109 DM54LS109A DM74LS109A Clear Dual Positive-Edge-Triggered J-K Flip-Flopswith Preset Clear and Complementary Outputs and General DescriptionThis device contains two independent positive-edge-trig- clear inputs will set or reset the outputs regardless of the gered J-K flip-flops with complementary outputs The J and logic levels of the other inputs Complementary K data is accepted by the flip-flop on the rising edge of theclock pulse The triggering occurs at a voltage level and is Features not directly related to the transition time of the rising edge of Y Alternate Military Aerospace device (54LS109) is avail- the clock The data on the J and K inputs may be changed able Contact a National Semiconductor Sales Office while the clock is high or low as long as setup and hold Distributor for specifications times are not violated A low logic level on the preset or Connection Diagram Dual-In-Line Package Dual Outputs Positive-Edge-Triggered TL F 6368 ­ 1 Order Number 54LS109DMQB 54LS109FMQB DM54LS109AJ DM54LS109AW DM74LS109AM or DM74LS109AN See NS Package Number J16A M16A N16E or W16A J-K Function Table H e High Logic Level Inputs Outputs Flip-Flops L e Low Logic Level PR CLR CLK J K Q Q X e Either Low or High Logic Level L H X X X H L u e Rising Edge of Pulse

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54LS109.pdf Datasheet