Renesas Electronics America Inc R5F101LJDFA#50

Mfr. Part

R5F101LJDFA#50

Manufacturer

Renesas Electronics Corporation

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Detailed Description

16-bit RL78/G13 microcontroller with 256KB Flash and 20KB RAM in a 64-LQFP (12x12 mm) package. Up to 32 MHz operation. 48 GPIO lines. Internal oscillator. Wide supply range 1.6–5.5 V. Integrated peripherals: DMA, LVD, POR, PWM, WDT. Serial interfaces: CSI, I2C, LINbus, UART/USART. 12-channel 8/10-bit ADC. Surface-mount, RoHS3 compliant. Supplied in Tape & Reel for automated assembly. Operating temperature -40°C to +85°C (TA).

Key Features

RL78 16-bit core, up to 32 MHz

256KB Flash, 20KB RAM

64-LQFP (12x12 mm) package, 48 I/O pins

ADC: 12 channels, 8/10-bit resolution

Interfaces: CSI, I2C, LINbus, UART/USART

Peripherals: DMA, PWM, WDT, POR, LVD

Internal oscillator, no external clock required

Wide Vcc 1.6–5.5 V for battery and mains-powered designs

Operating temperature -40°C to +85°C (TA)

RoHS3 compliant

Key Advantages

Low-power 16-bit RL78 core for energy-efficient designs

Rich on-chip peripherals reduce external components and cost

Broad interface set (LIN, UART, I2C, CSI) for easy system connectivity

Robust operation across wide voltage and temperature ranges

Mature RL78 platform with strong toolchain and ecosystem

Internal oscillator simplifies BOM and layout

Flexible memory size with large 256KB Flash for complex applications

Reliable protection features (WDT, LVD, POR) for safe operation

Packaging

Type: Tape & Reel (TR) for high-volume SMT assembly

Package: 64-LQFP body, 12 x 12 mm nominal size

Material: Lead-free, RoHS3 compliant plastic epoxy molding with copper leadframe; matte tin lead finish

Pin configuration: 64 leads, 0.5 mm pitch, four sides (approx. 16 pins per side)

Mounting: Surface-mount; no exposed thermal pad

Thermal characteristics: Designed for -40°C to +85°C ambient; thermal performance depends on PCB copper area and airflow; use solid ground planes and good layout for heat spreading

Electrical properties: Supply 1.6–5.5 V; CMOS/TTL-compatible I/O; integrated ESD protection; internal oscillator; stable operation across full operating range

Lifecycle

Status: Active product in the Renesas RL78/G13 series based on current vendor information

Not near discontinuation to our knowledge; availability can change—confirm current lead times with Y-IC

Equivalent or alternative models: Other RL78/G13 family devices with 64-LQFP packages and similar memory/I/O resources are available. For a precise list of pin-compatible options and drop-in replacements, please contact our sales team via our website for a curated cross-reference tailored to your design.

Upgrade paths: RL78/G14 (enhanced timers and performance) and RL78/G1x variants for segment-specific needs. These are functional alternatives and may not be pin-compatible.

Key Application Areas

Automotive LIN nodes (switch panels, window lifters, door modules, seat controls)

Industrial and building controls (HVAC, sensor hubs, actuators, PLC interfaces)

Home appliances and white goods (washers, refrigerators, microwave control)

Smart meters and utility endpoints

Battery-powered handheld instruments

Small motor, fan, and pump control

General embedded controllers with mixed-signal requirements

Datasheet

Our website hosts the most authoritative datasheet for this model. Download it from this page to get complete electrical specs, timing, memory maps, pinouts, mechanical drawings, and design guidelines.

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