TMS320VC549PGE-120 Texas Instruments Integrated Circuit (Quad Flat Packages) In Stock
TMS320VC549PGE-120 is a 16-bit fixed-point digital signal processor (DSP) running at 120 MHz by Texas Instruments, in a Quad Flat Package. Key specs: 23-bit address bus, 16-bit external data bus, hardware barrel shifter, dual supply (1.8 V core + 3.3 V I/O), boundary scan. From $18.00, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Quad Flat Packages
- Pin Count
- 144
- Lifecycle
- OBSOLETE
- Datasheet
- TMS320VC549PGE-120 Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $36.7900(MOQ 5)
- Temp Range
- -40.0°C to 100.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 120 MHz fixed-point 16-bit DSP core delivering up to 120 MIPS for real-time signal processing
- 23-bit address bus supports up to 8 MB external memory for large code and data spaces
- Hardware barrel shifter enables single-cycle arbitrary bit shifts for efficient signal manipulation
- Dual supply architecture: 1.8 V core for low power consumption, 3.3 V I/O for system compatibility
- JTAG boundary scan interface for in-system debugging and board-level test coverage
Applications
TMS320VC549PGE-120 is designed for real-time DSP tasks such as voice coding, modem signal processing, and digital filtering in telecom and wireless communication equipment. Running at 120 MHz with a 16-bit fixed-point core, it delivers 120 MIPS throughput needed for GSM codec algorithms, echo cancellation, and channel equalization in base station and handset designs. Its large 23-bit address space and 3.3 V I/O make it compatible with external SRAM and flash memory subsystems in embedded communication platforms.
Specifications
| YTEOL | 0 |
| Additional Feature | ALSO REQUIRES 3.3V SUPPLY |
| Address Bus Width | 23 |
| Barrel Shifter | YES |
| Bit Size | 16 |
| Boundary Scan | YES |
| Clock Frequency-Max | 20MHz |
| External Data Bus Width | 16 |
| Format | FIXED POINT |
| Internal Bus Architecture | MULTIPLE |
| JESD-30 Code | S-PQFP-G144 |
| JESD-609 Code | e4 |
| Low Power Mode | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | QFP144,.87SQ,20 |
| Package Shape | SQUARE |
| Package Style | FLATPACK, LOW PROFILE, FINE PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| RAM (words) | 65536 |
| Supply Voltage-Max | 2.75V |
| Supply Voltage-Min | 2.4V |
| Supply Voltage-Nom | 2.5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | NICKEL PALLADIUM GOLD |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| uPs/uCs/Peripheral ICs Type | DIGITAL SIGNAL PROCESSOR, OTHER |
| Package | Quad Flat Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| HTS Code | 8542.31.00.35 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What clock frequency does TMS320VC549PGE-120 operate at and what DSP throughput does it deliver?
TMS320VC549PGE-120 operates at a maximum clock frequency of 120 MHz, delivering up to 120 MIPS of fixed-point instruction throughput. This performance level supports real-time execution of GSM full-rate speech codecs, ITU-T G.711 PCM processing, and 256-tap FIR filter algorithms within tight frame timing budgets of 5 ms to 20 ms common in telephony and VoIP systems.
What are the power supply requirements for TMS320VC549PGE-120 in a system design?
TMS320VC549PGE-120 requires a dual supply configuration: a 1.8 V rail for the DSP core logic, which reduces dynamic power dissipation compared to 3.3 V core predecessors, and a separate 3.3 V rail for all I/O buffers. The 1.8 V core supply typically draws 100 mA to 200 mA at full 120 MHz operation, while the 3.3 V I/O supply current depends on bus activity and external load capacitance, usually 20 mA to 50 mA in typical memory interface applications.
How large is the addressable memory space of TMS320VC549PGE-120 and how is it partitioned?
TMS320VC549PGE-120 has a 23-bit address bus providing access to up to 8 MB of external memory space, partitioned into program memory (for code and tables), data memory (for signal buffers and coefficients), and I/O space. This architecture follows the Harvard memory model with separate program and data buses, enabling simultaneous instruction fetch and two data operand accesses per cycle to maximize the single-cycle MAC throughput of the 16-bit DSP core.
For a legacy modem design already using TMS320VC549PGE-120, how difficult is migration to a newer DSP platform?
Migrating from TMS320VC549PGE-120 to a newer TMS320C55x or TMS320C674x device requires re-targeting the build toolchain to TI's Code Composer Studio and porting fixed-point C or assembly code, which may take 2 to 6 months for a typical 50,000 to 100,000 line modem codebase. However, the 16-bit data types and Q-format fixed-point conventions are largely compatible, and the performance jump to 400 MHz or more on C55x parts offers a 3x to 4x margin for adding new features without hardware redesign.
Related Guides
How to Choose a 3528 SMD Indicator LED for Blue Status Lighting: Selection Guide
A practical 3528 SMD indicator LED selection guide using 150141BS73100 and related Wurth 150141 variants for blue status lighting.
Jul 5, 2026
BAS70KFILM Design Guide for Low-Leakage Signal Clamping and RF Detector Inputs
Practical BAS70KFILM design guidance for signal clamps, RF detector inputs, leakage control, capacitance, layout, and sourcing alternatives.
Jul 5, 2026
How to Choose a BAS70 Schottky Diode for Signal Clamping: Selection Guide
A practical BAS70KFILM and BAS70-family Schottky diode selection guide for signal clamping, RF detection, leakage, and topology choices.
Jul 4, 2026
AMC1202DWVR Design Guide for Isolated Current Sensing
Practical AMC1202DWVR design guide covering shunt sizing, isolation layout, input filtering, ADC scaling, and sourcing choices.
Jul 4, 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.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 5+ | $57.4900 | $287.45 |
| 500+ | $41.3900 | $20695.00 |
| 1000+ | $39.0900 | $39090.00 |
| 10000+ | $36.7900 | $367900.00 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“Response time is incredible — usually under 4 hours. They understand that production lines can't wait.”