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SN74LS377NS is listed in the Flip Flops range at ChipApex. The manufacturer field lists Texas Instruments. Its product description is IC D-TYPE POS TRG SNGL 20SO. Review the specifications below when checking this part for your BOM.
The SN74LS377NS is an octal D-type flip-flop with clock enable, manufactured by Texas Instruments. It operates within a supply voltage range of 4.75 V to 5.25 V and features TTL-compatible inputs and outputs. The device provides non-inverting outputs and exhibits a maximum propagation delay of 27 ns at 5 V with 15 pF load. It is housed in a 20-pin SOIC package (0.209 inch width) and supports surface-mount installation. The component functions as a single circuit with eight bits per element.
Verify the specific suffix 'N' indicates the PDIP package variant rather than the 'NS' SOIC variant found in other listings. Confirm RoHS compliance status through official manufacturer documentation, as legacy LS series parts may have varying environmental declarations. Ensure the ordering part number matches the required package type for your PCB layout constraints.
Select this component when TTL-level compatibility is required for both inputs and outputs. The LS series offers a balance of speed and power consumption suitable for general-purpose logic applications. Consider the 20-pin package availability and pinout compatibility with existing designs requiring octal flip-flops with clock enable control.
This component belongs to the Texas Instruments 74LS series of logic devices, which are widely used in digital electronics. The 74LS377 specifically implements an octal D-type flip-flop structure. It is distinct from latch variants like the 74LS373 and high-speed CMOS alternatives such as the 74HC377.
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