CC2541F256RHARIn StockTexas Instruments
CC2541F256RHAR is a Bluetooth Low Energy (BLE) 4.0 System-on-Chip from Texas Instruments, integrating an 8051 MCU, 256KB flash, and 8KB RAM with I2C/SPI/USART/USB support. Ideal for wireless sensor networks, HID devices, and IoT applications. From $0.694 in stock, worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Quad Flat No-Lead
- Pin Count
- 40
- Lifecycle
- ACTIVE
- Datasheet
- CC2541F256RHAR Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.6940(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Bluetooth Low Energy (BLE) 4.0 SoC with integrated 8051 MCU core for standalone wireless applications
- 256KB in-system programmable flash and 8KB SRAM enabling complex on-chip firmware
- Multi-protocol bus support: I2C, SPI, USART, and USB for flexible peripheral connectivity
- 23 configurable GPIO lines in a compact 40-pin QFN package for space-constrained designs
- Ultra-low power consumption modes optimized for battery-powered IoT and wearable devices
Applications
The CC2541F256RHAR is widely deployed in Bluetooth Low Energy peripheral devices such as wireless HID keyboards, mice, and remote controls, as well as health monitoring wearables including heart rate monitors and glucose meters. Its integrated 8051 MCU and rich peripheral set make it an ideal single-chip solution for proximity beacons, smart home sensors, and industrial wireless nodes requiring long battery life and reliable 2.4GHz connectivity.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Bus Compatibility | I2C; SPI; USART; USB |
| JESD-30 Code | S-PQCC-N40 |
| JESD-609 Code | e4 |
| Number of I/O Lines | 23 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | LCC40,.24SQ,20 |
| Package Shape | SQUARE |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| RAM (bytes) | 8192 |
| RAM (words) | 8 |
| Supply Voltage-Max | 3.6V |
| Supply Voltage-Min | 2V |
| Supply Voltage-Nom | 3V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| uPs/uCs/Peripheral ICs Type | RFSoC |
| ## CC2541F256RHAR Alternates Showing results | Image |
| Package | Quad Flat No-Lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 3 |
| ECCN | 5A992.C |
| HTS Code | 8542.31.00.75 |
| Country of Origin | Philippines |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for CC2541F256RHAR:
suggested
Frequently Asked Questions
What wireless standard does the CC2541F256RHAR support?
The CC2541F256RHAR supports Bluetooth Low Energy (BLE) 4.0 operating in the 2.4GHz ISM band. It integrates a complete RF transceiver, modem, and MAC, enabling direct Bluetooth connectivity without an external radio chip.
How much memory does the CC2541F256RHAR include?
The CC2541F256RHAR includes 256KB of in-system programmable flash memory and 8KB of SRAM, providing ample storage for BLE stack firmware and user application code in a single-chip design.
What package type is the CC2541F256RHAR and how many I/O pins does it have?
The CC2541F256RHAR comes in a 40-pin Quad Flat No-Lead (QFN/LCC) package with a 6x6mm footprint and exposes 23 general-purpose I/O lines, making it suitable for compact PCB designs with multiple peripheral connections.
What bus interfaces are supported by the CC2541F256RHAR?
The CC2541F256RHAR supports I2C, SPI, USART, and USB bus interfaces, allowing it to communicate with a wide variety of sensors, displays, and host microcontrollers commonly used in IoT and wearable applications.
What are typical applications for the CC2541F256RHAR?
Typical applications include Bluetooth Low Energy HID devices (keyboards, mice, remote controls), health and fitness wearables, proximity beacons, smart home sensors, and industrial wireless monitoring nodes where low power consumption and BLE 4.0 connectivity are required.
Related Guides
Ultra Low Power Microcontroller Comparison 2026: STM32L4 vs MSP430 vs MSP432 vs CC2640
Engineer-grade 2026 comparison of ultra-low-power MCUs — STM32L476, MSP430A139, MSP432P401R, CC2640F128 across standby current, active current, and battery life.
May 5, 2026
BOM Cost Reduction: 7 Strategies for Electronics Manufacturers in 2026
Practical 2026 BOM optimization playbook — 7 proven strategies, ranked by payback time and risk. With realistic per-unit savings and verification steps.
May 5, 2026
STM32F072C8T6 Pin-Compatible Alternatives 2026: Cheaper Drop-In Options Compared
Engineer-grade compatibility analysis for STM32F072C8T6 alternatives in 2026 — pin compatibility, firmware portability, cost and lead time for each option.
May 5, 2026
Top Microcontrollers for IoT 2026: ESP32 vs Arduino vs STM32 vs RPi Pico
The five IoT MCU platforms compared on 2026 pricing, lead time, and use case — ESP32-S3, Arduino, STM32F0, RP2040, TI CC2640/CC1352P.
May 5, 2026
Why Buy from FindMyChip
About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
More from Texas Instruments
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $5.6700 | $5.67 |
| 8+ | $2.8350 | $22.68 |
| 72+ | $2.4570 | $176.90 |
| 100+ | $0.8570 | $85.70 |
| 300+ | $0.7770 | $233.10 |
| 1000+ | $0.6940 | $694.00 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“We've been using FindMyChip for 2 years. Pricing is consistently 20-30% below Mouser/DigiKey for volume orders.”