Renesas QB-64FA-NQ-01T

Overview

QB-64FA-NQ-01T from Renesas Electronics is a target connector designed for in-circuit emulation of RL78/L13 microcontrollers in 64-pin QFN packages. It provides mechanical and electrical interface between the QB-RL78L1C emulator and the target board, supports 1.6V–5.5V operation, enables real-time RAM monitoring and trace functions, and is used during firmware development and hardware validation of industrial control and sensor interface systems.

For engineers reviewing the QB-64FA-NQ-01T datasheet, QB-64FA-NQ-01T pinout, QB-64FA-NQ-01T application, or QB-64FA-NQ-01T equivalent, this component is critical for establishing reliable debug connectivity to RL78/L13-based designs-especially where signal integrity, low-profile mounting, and compatibility with YQ exchange adapters and QB-RL78L1C host emulator are required.

Technical Context

QB-64FA-NQ-01T is a passive, surface-mount connector that mates with the QB-64FA-YQ-01T YQ connector and interfaces directly with the RL78/L13 64-pin QFN package. It supports all QB-RL78L1C emulation features including real-time execution, memory/register manipulation, event break (8 points), software break (2000 points), and 128K-frame trace buffer access.

The connector is specified for use within 0°C to 40°C ambient temperature and requires GND potential matching between QB-RL78L1C and target system to prevent damage. It is shipped pre-soldered onto target boards and forms part of a calibrated adapter stack including QB-64FA-EA-02T exchange adapter and QB-144-EP-02S emulation probe.

Key Specifications

Availability

QB-64FA-NQ-01T is available at Aetrix Electronics and suitable for embedded firmware development, microcontroller hardware validation, and production test fixture integration requiring stable component supply and guaranteed Renesas-qualified mechanical interface fidelity.

Supply support for QB-64FA-NQ-01T includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Renesas Electronics Corporation is a global semiconductor manufacturer headquartered in Japan, specializing in microcontrollers, analog and power devices, and advanced SoC solutions for automotive, industrial, and IoT applications.

QB-64FA-NQ-01T belongs to the QB-RL78L1C in-circuit emulator ecosystem, engineered specifically to enable high-fidelity, low-risk debugging of RL78/L13-based systems in early design and validation phases.

FAQ

What is the primary function of QB-64FA-NQ-01T in the QB-RL78L1C emulation system?

QB-64FA-NQ-01T serves as the target-side soldered connector that physically and electrically interfaces the QB-RL78L1C emulator with an RL78/L13 microcontroller on the user's PCB. It enables full JTAG/SW-DP debug access, real-time trace, register inspection, and non-intrusive program execution - without requiring socketed ICs or board modifications. QB-64FA-NQ-01T must be mounted before programming and is essential for reliable signal integrity during high-speed emulation sessions.

Which RL78 devices and packages is QB-64FA-NQ-01T compatible with?

QB-64FA-NQ-01T is explicitly qualified only for the RL78/L13 microcontroller in the 64-pin QFN (64FA) package. It is not compatible with RL78/L1C or other variants like 64FB, 80FA, or 100FB - each requiring its own dedicated NQ connector (e.g., QB-64FB-NQ-01T or QB-80FA-NQ-01T). Mechanical and pinout alignment is specific to the 64FA footprint and cannot be interchanged.

Does QB-64FA-NQ-01T require external power or configuration?

No, QB-64FA-NQ-01T is a passive, unpowered connector with no active circuitry. It does not require configuration, firmware, or external biasing. Its operation depends entirely on correct mechanical mating with QB-64FA-YQ-01T and proper GND reference alignment between the QB-RL78L1C emulator and target system - failure to match GND potentials may cause damage or communication failure during emulation.

Can QB-64FA-NQ-01T be used standalone without other QB-series adapters?

No. QB-64FA-NQ-01T must be used as part of a complete adapter stack: it connects to the target PCB, mates with QB-64FA-YQ-01T, which then interfaces with QB-64FA-EA-02T exchange adapter, and finally links to the QB-RL78L1C main emulator unit. Omitting any element - especially the YQ or EA components - breaks mechanical registration, signal routing, or voltage translation, rendering QB-64FA-NQ-01T nonfunctional in isolation.

Is QB-64FA-NQ-01T RoHS compliant and suitable for industrial applications?

Yes, QB-64FA-NQ-01T complies with EU RoHS Directive requirements and is rated for industrial-grade use per Renesas' "Standard" quality grade - approved for office equipment, test and measurement systems, industrial robots, and machine tools. It is not certified for automotive or safety-critical applications (e.g., transportation or anti-disaster systems), and must not be deployed where human life or critical infrastructure depends on its operation.