SN74HC595DW

Shift Registers Overview

The SN74HC595DW is an 8-bit serial-in, parallel-out shift register manufactured by Texas Instruments. It features a CMOS logic family with tri-state outputs and operates within a supply voltage range of 2 V to 6 V. The device is housed in a SOIC-16 surface-mount package. It supports a wide operating temperature range from -40°C to +85°C. Key electrical parameters include a propagation delay of 34 ns at 5 V and maximum output currents of ±7.8 mA. The component includes direct clear functionality for the shift register.

Shift Registers Feature Summary

• Converts serial input data into parallel output via an 8-bit shift register architecture.
• Provides tri-state outputs controlled by an active-low enable signal for bus driving applications.
• Includes a storage register with latch capability to maintain output states independently of shifting operations.

Shift Registers Applications

• Microcontroller I/O expansion for controlling multiple peripherals with limited pins.
• LED display matrix scanning and multiplexing systems.
• Industrial control interfaces requiring serial-to-parallel data conversion.

Shift Registers Procurement Notes

Verify the specific suffix 'DW' corresponds to the SOIC-16 package variant when sourcing. Confirm RoHS compliance status through official manufacturer documentation or authorized distributor certificates prior to procurement. Ensure the supplier provides traceable origin data consistent with Texas Instruments manufacturing standards to guarantee component authenticity and reliability.

Shift Registers Selection Notes

Select this component when a compact surface-mount solution is required for serial-to-parallel conversion. The HC logic family offers compatibility with standard CMOS levels while providing sufficient drive current for LSTTL loads. Consider the SOIC-16 footprint constraints and verify that the 2 V to 6 V operating range aligns with the target system power supply specifications.

Shift Registers Part Context

This part belongs to the SNx4HC595 series of 8-bit shift registers. It shares functional similarities with other variants such as SN74HC595D (SOIC) and SN74HC595PWR (TSSOP), differing primarily in packaging style. The series is widely used in digital logic circuits for expanding output capabilities in embedded systems and consumer electronics.

Shift Registers Replacement Considerations

Direct substitutes include SN74HC595D for identical SOIC-16 packaging and SN74HC595PWR for TSSOP-16 alternatives. Cross-reference pinouts and electrical characteristics to ensure compatibility with existing board layouts and voltage requirements before implementing any replacement.