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
What are the key features of TMS320VC549PGE-120?
- 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
What is TMS320VC549PGE-120 used for?
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.
What are the specifications of TMS320VC549PGE-120?
| 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 |
Where can I find the TMS320VC549PGE-120 datasheet?
TMS320VC549PGE-120 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for TMS320VC549PGE-120?
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
CSD87313DMS Synchronous Buck Power Stage Design Guide
Design a compact CSD87313DMS synchronous buck stage with practical guidance for loss, gate drive, PCB layout, EMI, thermal validation, and sourcing.
Aug 6, 2026
STEF05SGR eFuse Selection Guide for 5 V Overcurrent Protection
Choose STEF05SGR for 5 V overcurrent protection by checking current-limit margin, inrush, thermal loss, fault response, and sourcing.
Aug 6, 2026
C0402C103K3RACTU Selection Guide: Choosing a 10 nF 0402 MLCC
Select C0402C103K3RACTU by voltage margin, X7R behavior, tolerance, 0402 assembly risk, and qualified alternatives.
Aug 4, 2026
STM32H753VIT6 MCU Selection Guide: Memory, Package, Connectivity, and Security
Choose STM32H753VIT6 by evaluating memory architecture, LQFP-100 pin fit, connectivity, security, power, and sourcing tradeoffs.
Aug 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.
More from Texas Instruments
| 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.”
You May Also Like
ACS770ECB-200U-PFF-T
Allegro Microsystems
Integrated Circuit
ACS770KCB-150U-PFF-T
Allegro Microsystems
Integrated Circuit
MC33901WEF
NXP
Integrated Circuit
MC7808BDTRKG
ON Semiconductor
Integrated Circuit
PA94EC
Apex Microtechnology
Integrated Circuit
AP7315-28SR-7
Diodes Inc.
Integrated Circuit
74HCT245D
Nexperia
Integrated Circuit
CY62256VNLL-70ZXCT
Cypress Semiconductor
Integrated Circuit
EPM7032AETC44-4N
Intel
Integrated Circuit
EPM3512AQC208-10N
Intel
Integrated Circuit
EPM3256ATC144-7N
Intel
Integrated Circuit
EPM3256AQC208-7N
Intel
Integrated Circuit
EPM3256AQC208-10N
Intel
Integrated Circuit
EPM3128ATC100-7N
Intel
Integrated Circuit
EPM1270F256C4N
Intel
Integrated Circuit
EPF8282ATC100-4N
Intel
Integrated Circuit
EPF6016QC208-2N
Intel
Integrated Circuit
EPF6016ATC144-3N
Intel
Integrated Circuit
EPF10K30ATC144-3N
Intel
Integrated Circuit
EPC2TI32N
Intel
Integrated Circuit
EPC2LC20
Intel
Integrated Circuit
EP3SL150F1152C4N
Intel
Integrated Circuit
EP2SGX60DF780C5N
Intel
Integrated Circuit
EP2SGX60CF780C5N
Intel
Integrated Circuit