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Home Products Integrated Circuits (ICs)Specialized ICs~~TMS320C6746EZCE3~~

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TMS320C6746EZCE3 - Texas Instruments

Name: Texas Instruments TMS320C6746EZCE3
Brand: Texas Instruments
SKU: TMS320C6746EZCE3
Price: 2.694 USD
Availability: InStock
Rating: 5 (8 reviews)

Manufacturer Part Number: TMS320C6746EZCE3

Manufacturer: Texas Instruments

Allelco Part Number: 41D-TMS320C6746EZCE3

Warranty: 1 Year Allelco Warranty - Find out more

Stock Status:: 7,060 pcs available, New & Original

Parts Description: NFBGA-361(13x13)

Data sheet: -

Category: Integrated Circuits (ICs) > Specialized ICs

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In stock: 7060

Unit Price: $7.346
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Quantity	Unit Price	Ext. Price
1+	$7.346	$7.35
200+	$2.843	$568.60
500+	$2.744	$1,372.00
1000+	$2.694	$2,694.00

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Specifications

TMS320C6746EZCE3 Tech Specifications
Texas Instruments - TMS320C6746EZCE3 technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - TMS320C6746EZCE3

Product Attribute	Attribute Value
Part Number	TMS320C6746EZCE3
Package	NFBGA-361(13x13)
Description	NFBGA-361(13x13)
Stock Condition	Get 7060 pcs available quantity at Allelco
Payment	PayPal / TT / Credit Card / Western Union
Allelco Certifications	ESD / ISO 9001 / ISO 13485 / ISO 28000

Product Attribute	Attribute Value
Manufacturer	Texas Instruments
RoHs Status	-
Warranty	100% Perfect Functions
Transport port	Hong Kong
Shipping by	DHL / FedEx / UPS / TNT / SF Express
RFQ Email	info@allelco.com

Parts Introduction

Manufacturer Part Number

TMS320C6746EZCE3

Manufacturer

Texas Instruments

Introduction

The TMS320C6746EZCE3 is a high-performance embedded digital signal processor (DSP) from Texas Instruments. It is part of the TMS320C674x series and offers advanced features and capabilities for a wide range of applications, including audio, video, and industrial control systems.

Product Features and Performance

375MHz clock rate for powerful signal processing

Fixed/floating-point data processing

088MB of on-chip ROM and 488kB of on-chip RAM

Supports various interfaces including EBI/EMI, Ethernet MAC, Host Interface, I2C, McASP, McBSP, SPI, UART, and USB

Operating temperature range of 0°C to 90°C

Product Advantages

Highly versatile and capable DSP for demanding applications

Efficient power consumption with multiple voltage domains (1.00V, 1.10V, 1.20V, 1.8V, 3.3V)

Compact 361-LFBGA package for space-constrained designs

Key Reasons to Choose This Product

Proven performance and reliability from a trusted industry leader

Robust feature set to meet a wide range of application requirements

Scalable and flexible design for future product development

Quality and Safety Features

Rigorous quality control and testing processes

Compliance with industry standards and regulations

Compatibility

Designed to be compatible with other TMS320 series DSPs and related development tools

Application Areas

Audio and video processing

Industrial automation and control

Medical imaging and diagnostics

Telecommunications and networking

Product Lifecycle

The TMS320C6746EZCE3 is an active product, and our website's sales team continues to provide support and development resources for this model. There are equivalent and alternative models available within the TMS320C674x series, but the specific details would need to be confirmed with our website's sales team. Customers are encouraged to contact our website's sales team for the most up-to-date information on product availability and support.

Frequently Asked Questions(FAQ)

How does the TMS320C6746EZCE3's core voltage configuration impact power efficiency and thermal management in high-performance embedded applications?: The TMS320C6746EZCE3 supports multiple core voltages—1.00V, 1.10V, and 1.20V—which allow designers to balance performance with power consumption. Operating at lower voltages such as 1.00V reduces dynamic power quadratically (P ∝ V²), making it advantageous for thermally constrained designs, while still supporting up to 375MHz operation. However, higher core voltages may be necessary when driving large peripheral loads or maintaining signal integrity over long traces. This flexibility enables optimization across different system requirements, from battery-powered edge devices to industrial control systems where heat dissipation is a concern.

What are the implications of the TMS320C6746EZCE3’s memory architecture for real-time signal processing tasks, and how does its RAM allocation compare to other DSPs in the TMS320C674x series?: With 488kB of on-chip RAM and 1.088MB of ROM, the TMS320C6746EZCE3 provides sufficient local memory to minimize external access latency during intensive floating-point operations. Compared to earlier C674x variants like the C6745, which typically offer less than 400kB of RAM, this model delivers improved data throughput for algorithms such as FFT or FIR filtering. The combination of larger internal memory and dual-access memory banks allows concurrent instruction fetch and data access, reducing stalls in pipelined execution—critical for real-time audio or motor control applications.

In what scenarios would the TMS320C6746EZCE3 outperform alternative fixed/floating-point DSPs, particularly regarding interface bandwidth and clock efficiency?: The TMS320C6746EZCE3 excels in applications requiring simultaneous high-speed data acquisition and processing, thanks to its 375MHz clock rate and rich set of interfaces including Ethernet MAC, McBSP, and USB. When compared to similar-clock-speed devices lacking integrated Ethernet or USB, such as older C67xx models, the TMS320C6746EZCE3 reduces system complexity by eliminating external transceivers. Its ability to sustain peak floating-point performance (up to 1,125 MFLOPS) under sustained load makes it preferable over general-purpose microcontrollers or lower-end FPGAs in algorithm-intensive workloads.

How should engineers evaluate the trade-offs between using the TMS320C6746EZCE3 versus an FPGA-based solution when targeting 375MHz floating-point computation?: While FPGAs offer parallelism and reconfigurability, the TMS320C6746EZCE3 delivers deterministic timing, optimized floating-point units, and low-latency software development tools. At 375MHz, the C6746 can achieve approximately 1.1 GFLOPS peak throughput using single-cycle multiply-accumulate operations, whereas equivalent FPGA implementations often consume significantly more power and require extensive HDL coding. For control-intensive or algorithm-heavy tasks where software flexibility is valued, the TMS320C6746EZCE3 offers better energy efficiency and faster time-to-market despite lower raw parallelism.

What design considerations arise from the TMS320C6746EZCE3’s mixed I/O voltage support (1.8V and 3.3V)?: Supporting both 1.8V and 3.3V I/O domains allows the TMS320C6746EZCE3 to interface directly with modern sensors, ADCs, and communication peripherals without level shifters. However, care must be taken during PCB layout to prevent cross-domain noise coupling, especially since the core operates at 1.0–1.2V. Proper decoupling, ground plane segmentation, and controlled impedance routing are essential to maintain signal integrity and avoid timing violations during high-speed transfers via SPI or McASP.

Can the TMS320C6746EZCE3 reliably operate near its temperature limit of 90°C TJ in industrial environments, and what reliability factors should be monitored?: Yes, but only within specified derating guidelines. Continuous operation near 90°C TJ increases electromigration risk in the 361-NFBGA package and accelerates degradation of solder joints due to thermal cycling. Engineers should implement adequate heatsinking, airflow, or power throttling if ambient temperatures exceed 70°C. Monitoring junction temperature through built-in thermal sensors and validating long-term reliability via accelerated life testing (e.g., 85°C/85% RH bias) is recommended before deployment in harsh environments.

How does the TMS320C6746EZCE3’s EBI/EMI interface enhance system integration compared to relying solely on discrete memory controllers?: The integrated External Bus Interface (EBI) supports direct connection to asynchronous or synchronous memory devices like SRAM, NOR flash, or SDRAM, reducing component count and board space. This contrasts with solutions requiring additional bridge chips or FPGA logic for memory arbitration. By offloading address decoding and wait-state management to hardware, the TMS320C6746EZCE3 maintains consistent memory access latencies, which is crucial for deterministic real-time behavior in embedded control loops.

What role does the TMS320C6746EZCE3’s Host Interface play in multi-device synchronization, and how does it compare to PCIe or USB-based host connections?: The Host Interface enables daisy-chaining of multiple TMS320C6746EZCE3 devices for distributed processing, allowing one master to coordinate tasks across slaves. Unlike PCIe, which requires dedicated lanes and complex protocols, this interface uses a simpler parallel bus optimized for low-overhead control signaling. It is ideal for modular test equipment or multi-sensor fusion systems where deterministic handshaking is more important than raw bandwidth, offering lower latency than USB for tightly coupled applications.

Why might a designer choose the TMS320C6746EZCE3 over a Cortex-A series processor for floating-point math-heavy workloads?: Although Cortex-A processors offer higher general-purpose performance and OS support, the TMS320C6746EZCE3 delivers specialized floating-point acceleration with hardware multipliers capable of single-cycle 64-bit operations. In contrast, ARM cores rely on soft or DSP extensions (like NEON) that may not match the C674x’s peak FLOPS per MHz. For pure numerical computation—such as radar beamforming or image reconstruction—the TMS320C6746EZCE3 provides better computational density and lower power-per-operation.

How does the TMS320C6746EZCE3’s RoHS compliance and MSL rating influence supply chain planning for production batches?: As a RoHS3-compliant device with an MSL of 3 (168 hours), the TMS320C6746EZCE3 meets global environmental standards and requires dry packaging storage until use. Manufacturers must ensure assembly occurs within 168 hours of opening the moisture-sensitive tray to prevent popcorning during reflow soldering. This impacts inventory turnover and requalification cycles, especially in regions with strict lead-free assembly requirements, but ensures long-term availability and regulatory adherence.

What are the key differences between the TMS320C6746EZCE3 and the TMS320C6747 regarding memory capacity and peripheral integration?: The TMS320C6746EZCE3 includes 488kB of on-chip RAM and 1.088MB of ROM, while the TMS320C6747 offers similar core features but with reduced RAM (typically 384kB) and no integrated Ethernet MAC. This makes the C6746 more suitable for network-enabled applications requiring local buffering and protocol handling, whereas the C6747 may be preferred in cost-sensitive designs where external PHYs are acceptable. Both share the same 375MHz max frequency and 361-NFBGA package, preserving pin compatibility.

How does the TMS320C6746EZCE3 handle interrupt latency during high-priority tasks, and what architectural features contribute to its responsiveness?: The TMS320C6746EZCE3 employs a tightly coupled interrupt controller with vector-based entry, enabling sub-microsecond response times even at full clock speed. Paired with zero-wait-state access to internal memory and prioritized exception handling, this ensures predictable behavior in safety-critical systems like industrial automation or medical monitoring. Unlike software polling schemes used on slower MCUs, the hardware-assisted interrupt mechanism minimizes jitter in time-sensitive control loops.

Is the TMS320C6746EZCE3 suitable for battery-powered IoT endpoints requiring both wireless connectivity and real-time processing?: Yes, provided power management strategies are carefully implemented. The device’s adjustable core voltage (down to 1.00V) and sleep modes allow duty-cycled operation compatible with Wi-Fi or Bluetooth modules. However, continuous 375MHz operation draws several hundred milliamps, so most deployments will leverage clock gating or dynamic voltage scaling during idle periods. Integration with low-power external radios via UART or SPI enables efficient wake-on-event architectures common in smart sensor nodes.

What validation steps are essential when porting existing C674x firmware to the TMS320C6746EZCE3 due to potential timing or interface changes?: Engineers should verify timing constraints for all synchronous interfaces, especially McASP and McBSP, as slight variations in clock skew tolerance may exist between revisions. Additionally, checking register map alignment and ensuring correct boot mode pin configuration prevents unintended ROM loading or peripheral initialization failures. Simulation using TI’s Code Composer Studio with cycle-accurate models helps catch issues before hardware bring-up, reducing debug iteration time.

How does the TMS320C6746EZCE3’s package size (13x13mm NFBGA) affect high-volume manufacturing yield and inspection processes?: The fine-pitch 361-pin NFBGA demands precise solder paste deposition and reflow profiling to avoid bridging or voids. Automated optical inspection (AOI) and x-ray verification become critical during assembly, increasing test overhead compared to QFP packages. However, the small footprint benefits miniaturized designs, and the absence of leads eliminates lead-related failures common in plastic packages. Yield optimization requires close collaboration between board fabricator and assembler to maintain defect rates below 500 DPMO.

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Customer Reviews

Evaluation: 10 Articles

Dani***alkerTech

Jun 1, 2026

Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.
Yuki***aka88

May 26, 2026

信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。
Stev***aker

May 20, 2026

Solid diode for power rectification. Works well in switching circuits.
Bran***Lewis

May 11, 2026

Compact FPGA with good performance. Suitable for basic signal processing tasks.
Oliv***arris

May 7, 2026

Reliable I/O expander. Works well in embedded control applications.
Jess***Jones

Apr 17, 2026

It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.
Mich***Smith

Apr 17, 2026

Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.
Aman***arris

Apr 3, 2026

It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.
Mike***nch

Apr 3, 2026

Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.
Daic***K.

Mar 23, 2026

Very good. No issue after long time testing.

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Region	Country	Logistic Time(Day)
America	United States	5
America	Brazil	7
Europe	Germany	5
	United Kingdom	4
	Italy	5
Oceania	Australia	6
Oceania	New Zealand	5
Asia	India	4
Asia	Japan	4
Middle East	Israel	6

DHL & FedEx Shipment Charges Reference
Shipment charges(KG)	Reference DHL(USD$)
0.00kg-1.00kg	USD$30.00 - USD$60.00
1.00kg-2.00kg	USD$40.00 - USD$80.00
2.00kg-3.00kg	USD$50.00 - USD$100.00

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