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Data sheet acquired from Harris Semiconductor SCHS140E
March 1998 - Revised October 2003
CD54HC109, CD74HC109, CD54HCT109, CD74HCT109
Dual J-K Flip-Flop with Set and Reset Positive-Edge Trigger
[ /Title (CD74H C109, CD74H CT109) /Subject (Dual JK FlipFlop with Set and Reset
Features
Description
• Asynchronous Set and Reset
• Schmitt Trigger Clock Inputs
• TTAyp=ic2a5lofCMAX = 54MHz at VCC = 5V, CL = 15pF, • Fanout (Over Temperature Range)
- Standard Outputs . . . . . . . . . . . . . . . 10 LSTTL Loads - Bus Driver Outputs . . . . . . . . . . . . . 15 LSTTL Loads • Wide Operating Temperature Range . . . -55oC to 125oC
The ’HC109 and ’HCT109 are dual J-K flip-flops with set and reset. The flip-flop changes state with the positive transition of Clock (1CP and 2CP).