TMS320C30GEL
TMS320C30GEL - 50 MHz Floating-Point DSP | Texas Instruments
The Texas Instruments TMS320C30GEL is a 32-bit floating-point digital signal processor rated at 50 MHz, delivering 25 MIPS, 50 MFLOPS, and up to 275 MOPS in an 181-pin ceramic pin-grid array package measuring 39 x 39 mm. Its parallel floating-point architecture gives it an effective computational rate of 60 MOPS in the parallel-operation mode identified in the available TMS320C30 data.
A digital signal processor is a specialized semiconductor that executes filtering, transform, control, and signal-analysis algorithms in real time. The TMS320C30 belongs to the DSP and digital signal controller hierarchy, where a hardware multiplier and dedicated floating-point architecture accelerate operations that would require multiple general-purpose processor instructions. This distinction matters in audio, communications, instrumentation, industrial-control, and embedded signal-processing systems.
Verified search results identify the device as a floating-point DSP with a 40 ns instruction cycle at the 50 MHz speed grade. They report 275 MOPS, 50 MFLOPS, and 25 MIPS for that grade. A 50 ns grade is listed at 220 MOPS, 40 MFLOPS, and 20 MIPS, while a 60 ns grade is listed at 183.3 MOPS, 33.3 MFLOPS, and 25 MIPS. These speed variants show that cycle time, instruction throughput, and parallel-operation rate must not be treated as interchangeable metrics.
The TMS320C30 architecture supports the high-throughput floating-point calculations needed for real-time signal processing while retaining compatibility with the established TMS320 family ecosystem. Designers must account for its large 181-pin CPGA footprint, external memory and peripheral requirements, clocking, reset, bus timing, and software initialization. Because the target is a legacy processor, system preservation and long-term sourcing deserve particular attention.
Typical uses include real-time filtering, spectral analysis, waveform generation, communications processing, vibration analysis, and embedded control. Its 50 MHz floating-point throughput is especially relevant when algorithms repeatedly perform multiply, add, and transform operations on sampled data. The 181-pin package favors through-hole or socketed legacy industrial and instrumentation systems rather than compact surface-mount products.
A critical design step is verifying the exact timing grade, memory configuration, bus interface, clock source, pin multiplexing, and software environment before layout or replacement. The available data does not provide a verified modern manufacturer page, official PDF URL, complete pin map, lifecycle declaration, price schedule, or qualified drop-in replacement, so those fields are not inferred here.
This page consolidates the verified distributor identity, architecture, speed-grade information, package data, sourcing links, and uncertainty notes. It separates published facts from missing engineering data so engineers can evaluate TMS320C30GEL procurement and modernization without treating unverified substitutes as drop-in parts.
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