TMS320C6746BZWT3 Texas Instruments Integrated Circuit (Other) In Stock
TMS320C6746BZWT3 is a 32-bit fixed/floating-point DSP from Texas Instruments, clocked up to 300 MHz with a 16-bit external data bus and 23-bit address bus in a 361-ball BGA package. It supports boundary scan and floating-point arithmetic for demanding signal processing. Available from stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 361
- Lifecycle
- OBSOLETE
- Datasheet
- TMS320C6746BZWT3 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- ?°C to 90.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 32-bit fixed and floating-point DSP core running up to 300 MHz for high-throughput signal processing workloads
- 361-ball BGA (S-PBGA-B361) package with 23-bit address bus and 16-bit external data bus enabling large memory system designs
- Hardware boundary scan (JTAG) support for simplified board-level testing and in-system debugging
- Integrated floating-point unit (FPU) eliminating the need for software floating-point emulation and reducing DSP algorithm execution time
Applications
The TMS320C6746BZWT3 is designed for industrial motor control, audio processing, and real-time communications signal processing applications requiring both fixed and floating-point arithmetic at 300 MHz. Its large address space and external 16-bit data bus make it well-suited for systems that interface with SDRAM or NOR flash in imaging and medical diagnostic equipment. The floating-point capability also benefits scientific instrumentation and adaptive filtering applications where numerical precision across wide dynamic ranges is essential.
Specifications
| YTEOL | 0 |
| Address Bus Width | 23 |
| Barrel Shifter | NO |
| Bit Size | 32 |
| Boundary Scan | YES |
| Clock Frequency-Max | 30MHz |
| External Data Bus Width | 16 |
| Format | FLOATING POINT |
| Internal Bus Architecture | SINGLE |
| JESD-30 Code | S-PBGA-B361 |
| JESD-609 Code | e1 |
| Low Power Mode | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | BGA361,19X19,32 |
| Package Shape | SQUARE |
| Package Style | GRID ARRAY, LOW PROFILE, FINE PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| RAM (words) | 8192 |
| Screening Level | TS 16949 |
| Supply Voltage-Max | 1.32V |
| Supply Voltage-Min | 1.14V |
| Supply Voltage-Nom | 1.2V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | OTHER |
| Terminal Finish | TIN SILVER COPPER |
| Terminal Form | BALL |
| Terminal Pitch | 0.8mm |
| Terminal Position | BOTTOM |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| uPs/uCs/Peripheral ICs Type | DIGITAL SIGNAL PROCESSOR, OTHER |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 3 |
| ECCN | 3A991.a.2 |
| HTS Code | 8542.31.00.35 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How does TMS320C6746BZWT3 floating-point support benefit real-time audio and control algorithms?
The TMS320C6746BZWT3 integrates a hardware floating-point unit (FPU) operating at up to 300 MHz, enabling single-precision IEEE 754 computations without software emulation overhead. This is critical for audio DSP algorithms such as IIR filters and FFT transforms, as well as motor control loops requiring precise trigonometric calculations, reducing CPU cycle consumption by up to 60% versus software floating-point implementations.
What memory configurations are supported by the 23-bit address bus on TMS320C6746BZWT3?
The 23-bit address bus provides direct access to up to 8 MB of external memory space via the 16-bit external data bus, sufficient for large audio sample buffers, lookup tables, and program storage in embedded DSP systems. Paired with internal on-chip SRAM and cache, TMS320C6746BZWT3 supports configurations where external SDRAM or NOR flash exceeds 4 MB in industrial processing applications.
For which embedded signal processing applications is TMS320C6746BZWT3 a more suitable choice than a general-purpose ARM Cortex-M4F?
TMS320C6746BZWT3 at 300 MHz with dedicated hardware floating-point and DSP-optimized architecture outperforms ARM Cortex-M4F in continuous real-time signal processing tasks such as multi-channel audio mixing, adaptive echo cancellation, and spectrum analysis. Its 361-ball BGA package provides more I/O bandwidth than typical Cortex-M4F packages, and the native VLIW-style DSP pipeline supports higher sustained multiply-accumulate throughput needed in demanding signal chain applications.
How does boundary scan (JTAG) support in TMS320C6746BZWT3 simplify production test?
Boundary scan compliance (IEEE 1149.1 JTAG) in TMS320C6746BZWT3 allows automated board-level interconnect testing of all 361 BGA balls without physical probing, reducing test fixture cost and improving fault coverage for solder joint opens and shorts. Combined with on-chip emulation, a single 4-wire JTAG interface supports both production test and in-circuit debugging of the 32-bit DSP core operating at clock frequencies up to 300 MHz.
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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.
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