M74HC595B1R

Shift Registers Overview

The M74HC595B1R is an 8-bit serial-in, parallel-out shift register with output latches and 3-state outputs. It operates on a supply voltage of 2V to 6V and supports a maximum clock frequency of 59 MHz at 6V. The device features balanced propagation delays and high noise immunity. It utilizes positive-edge triggered clocks for both the shift and storage registers. The component is housed in a 16-pin Plastic DIP package.

Shift Registers Feature Summary

• Contains an 8-bit serial-in, parallel-out shift register feeding an 8-bit D-type storage register.
• Provides separate clocks for the shift register and storage register operations.
• Features direct-overriding clear, serial input, and serial output pins for cascading applications.

Shift Registers Applications

• Data acquisition systems requiring serial-to-parallel conversion
• LED display drivers utilizing cascaded configurations
• Industrial control interfaces needing expanded I/O capabilities

Shift Registers Procurement Notes

Verify the specific ordering code against official STMicroelectronics documentation to ensure correct package type and revision level. Confirm that the procurement channel provides valid traceability for this obsolete component. Cross-reference datasheet specifications with actual received units to validate electrical parameters before integration into final designs.

Shift Registers Selection Notes

Select this component when a robust 8-bit shift register with tri-state outputs is required. Ensure the design accommodates the specified operating temperature range of -55°C to +125°C. Verify that the system voltage falls within the 2V to 6V range to maintain optimal performance and noise immunity characteristics defined in the datasheet.

Shift Registers Part Context

This part belongs to the M74HC595 series manufactured by STMicroelectronics. It is fabricated using silicon gate C2MOS technology. The device is pin and function compatible with the standard 74 series 595 logic family. It includes protection circuits against static discharge and transient excess voltage on all inputs.

Shift Registers Replacement Considerations

Direct substitutes include M74HC595M1R (SOP) and M74HC595TTR (TSSOP). These variants share identical logical functions but differ in physical packaging. Verify mechanical fit and soldering requirements when transitioning between these package types.