Renesas Electronics America Inc R5F101GFDFB#X0

Mfr. Part

R5F101GFDFB#X0

Manufacturer

Renesas Electronics Corporation

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Detailed Description

16-bit RL78/G13 MCU with 96KB Flash and 8KB RAM in a 48-LFQFP 7x7 mm package. Runs up to 32 MHz. 34 I/O lines. Internal oscillator. Wide supply range 1.6 V to 5.5 V. Integrated DMA, LVD, POR, PWM, WDT. Interfaces include CSI, I2C, LINbus, and UART/USART. 10-bit ADC with 10 channels. RoHS3 compliant. Surface-mount, tape and reel packaging. Base product number R5F101. Quantity available 2513.

Key Features

RL78 16-bit core, up to 32 MHz

96KB Flash, 8KB RAM

34 programmable I/O lines

10-bit ADC, 10 channels

Internal oscillator for simple clocking

Peripherals: DMA, LVD, POR, PWM, WDT

Interfaces: CSI, I2C, LINbus, UART/USART

Wide supply 1.6 V to 5.5 V

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

RL78/G13 series, base product R5F101

RoHS3 compliant

Package: 48-LFQFP (7x7), surface mount

Key Advantages

Low-power RL78 architecture helps extend battery life

Wide voltage range supports 1.6 V to 5.5 V systems without level shifting

Rich peripherals reduce external components and BOM cost

Internal oscillator simplifies design and lowers part count

LINbus and UART/USART make communication straightforward

Mature RL78 ecosystem with tools, libraries, and long-term availability

Compact 48-pin LQFP saves board space while offering ample I/O

Packaging

Type: 48-LFQFP (Low-profile Fine-pitch Quad Flat Package)

Body size: 7 mm x 7 mm

Pin count: 48 pins (34 user I/O)

Lead pitch: typically 0.5 mm

Mounting: Surface mount (SMT)

Material: epoxy molding compound with copper leadframe and tin-plated leads

Carrier: Tape & Reel (TR) for automated assembly

Thermal characteristics: designed for -40°C to +85°C ambient; no exposed thermal pad; follow Renesas layout and thermal guidelines for best heat dissipation

Electrical properties: 1.6 V to 5.5 V supply, up to 32 MHz clock, internal oscillator, 10-bit ADC, DMA/LVD/POR/PWM/WDT on-chip

Lifecycle

Status: Active and in production. Not nearing discontinuation based on current Renesas guidance.

Alternatives: Family-compatible options exist in the RL78/G13 and RL78/G14 families with similar footprints and feature sets. Exact drop-in, pin-compatible alternates matching R5F101GFDFB#X0 (same memory size, package code, and mask options) vary by region and revision. For a verified, detailed list of true drop-in equivalents, please contact our sales team via the Y-IC website, and we will match the best part for your design.

Key Application Areas

Home appliances and white goods controllers

Industrial control, sensors, and instrumentation

Motor control and PWM-based drivers

Automotive body electronics and LIN nodes

Smart meters and utility devices

Building automation and HVAC controls

IoT edge nodes and low-power embedded systems

Consumer products, small embedded controllers, and general-purpose MCU applications

Datasheet

Our website hosts the most authoritative and up-to-date datasheet for R5F101GFDFB#X0. We recommend downloading it directly from this page to get full specifications, pinouts, timing, and application notes.

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