MC74HC589ADTR2G-Q

Shift Registers Overview

The MC74HC589ADTR2G-Q is an 8-bit serial or parallel-input/serial-output shift register with 3-state output, manufactured by onsemi. It features a high-performance silicon-gate CMOS construction and operates within a voltage range of 2.0 V to 6.0 V. The device includes an 8-bit storage latch feeding an 8-bit shift register, allowing data loading via parallel inputs (A-H) or serial input (SA). It supports direct interface with SPI serial data ports on CMOS microprocessors and microcontrollers. The component is AEC-Q100 qualified and PPAP capable, designed for automotive applications requiring unique site and control change requirements.

Shift Registers Feature Summary

• Includes an 8-bit storage latch that feeds parallel data to an 8-bit shift register, supporting both serial and parallel data loading modes.
• Features a 3-state serial data output (QH), enabling compatibility with bus-oriented systems.
• Directly interfaces with the SPI serial data port on CMOS MPUs and MCUs.
• Complies with JEDEC Standard No. 7A and offers low input current with high noise immunity characteristic of CMOS devices.

Shift Registers Applications

• Bus-oriented systems utilizing 3-state outputs
• SPI serial data port interfacing for CMOS MPUs and MCUs
• Automotive applications requiring AEC-Q100 qualification

Shift Registers Procurement Notes

Verify the presence of the -Q suffix to confirm AEC-Q100 qualification and PPAP capability, which are specific to automotive and controlled manufacturing environments. Ensure the ordering suffix matches the required package type, such as TSSOP-16 (DT suffix) or SOIC-16 (D suffix), as these determine physical dimensions and shipping configurations. Confirm RoHS compliance and Pb-free status during procurement validation.

Shift Registers Selection Notes

Select this component when an 8-bit shift register with independent latch and shift clock controls is required for SPI interfacing. The HC logic family ensures compatibility with standard CMOS voltage levels between 2.0 V and 6.0 V. Choose the -Q variant specifically for automotive projects necessitating strict quality control changes and site-specific manufacturing approvals. Consider the 3-state output capability if bus sharing is necessary in the circuit design.

Shift Registers Part Context

This part belongs to the MC74HC589A series of 8-bit shift registers produced by onsemi. It is part of the broader 74HC logic family, known for high-speed CMOS operation. The device is available in multiple packages including SOIC-16 and TSSOP-16. The -Q suffix denotes a specific automotive-grade version that meets additional reliability and manufacturing control standards compared to the standard commercial grade.

Shift Registers Replacement Considerations

MC74HC589ADR2G