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MC74F109D is listed in the Flip Flops range at ChipApex. The manufacturer field lists onsemi. Its product description is FLIP FLOP JK -TYPE POS-EDGE 2-EL. Review the specifications below when checking this part for your BOM.
The MC74F109D is a dual JK-type flip-flop integrated circuit manufactured by onsemi. It operates within a supply voltage range of 4.5V to 5.5V and features a maximum propagation delay of 8ns at 5V with 50pF load. The device supports a clock frequency of 125 MHz and includes set (preset) and reset functions. It provides complementary outputs and draws a maximum static current of 17 mA. Designed for surface mount installation, it is housed in a 16-SOIC package with a width of 3.90mm. The component is rated for an operating temperature range of 0°C to 70°C.
Verify the specific suffix 'D' against official datasheets to confirm the 16-SOIC package variant. Confirm RoHS compliance status as manufacturing specifications may vary by production batch. Ensure the intended application environment remains within the specified 0°C to 70°C temperature range. Validate that the 5V supply voltage aligns with system requirements before integration.
Select this component when a dual JK flip-flop with set/reset capabilities is required for 5V logic systems. Consider the 125 MHz clock speed and 8ns propagation delay for timing-sensitive designs. Evaluate the 16-SOIC package dimensions for PCB layout compatibility. Compare performance metrics against alternative logic families if lower power consumption or wider voltage ranges are necessary.
This part belongs to the 74F series of high-speed CMOS logic devices. The 74F family is characterized by faster switching speeds compared to standard 74LS logic, making it suitable for applications requiring rapid signal processing. The MC74F109 specifically implements the dual JK flip-flop function within this high-performance logic family.
Public confirmed substitute: SN74F109D.
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