SN74LS390NE4

Counter Dividers Overview

The SN74LS390NE4 is a dual 4-bit decade and binary counter manufactured by Texas Instruments. It operates within a supply voltage range of 4.75 V to 5.25 V and supports an operating temperature from 0°C to +70°C. The device utilizes LS logic family technology with asynchronous reset functionality. It is housed in a 16-pin PDIP package designed for through-hole mounting.

Counter Dividers Feature Summary

• Integrates two independent 4-bit counters, supporting both decade and binary counting modes
• Features asynchronous reset inputs for immediate clearing of count states
• Utilizes negative-edge triggered clocking for precise timing control

Counter Dividers Applications

• Digital frequency division circuits
• Timekeeping systems requiring decimal digit generation
• Pulse counting applications in industrial instrumentation

Counter Dividers Procurement Notes

Verify the component matches the SN74LS390NE4 designation specifically. Confirm the presence of the E4 suffix indicating lead-free composition and RoHS compliance. Ensure the packaging corresponds to the standard tube format for the PDIP-16 variant as documented in official Texas Instruments materials.

Counter Dividers Selection Notes

Select this component when a single package must provide both decade and binary counting capabilities. It serves as a direct replacement for the non-E4 SN74LS390N variant while ensuring environmental compliance. Consider the specific pinout requirements of the 16-pin DIP package during PCB layout design.

Counter Dividers Part Context

This part belongs to the SN54/74LS390/393 series, which combines dual 4-bit decade counters (SN74LS390) and dual 4-bit binary counters (SN74LS393). The SN74LS390NE4 specifically denotes the decade counter configuration within the commercial grade LS logic family.

Counter Dividers Replacement Considerations

The SN74LS390N is the primary equivalent part number without the environmental suffix.