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TMS320C51PQA - 16-Bit 100 MHz DSP | Texas Instruments

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5 V Vdss 132-pin BQFP Package 100 MHz Speed
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TMS320C51PQA Übersicht

The Texas Instruments TMS320C51PQA is a 16-bit digital signal processor with a 100 MHz clock, 50 MIPS execution rate, and a 132-pin plastic quad flat pack package. The verified product listing identifies it as a floating-point DSP in a 132-pin BQFP package, while the family datasheet describes single-cycle 16-bit instruction execution and multiply-accumulate processing for 3 V and 5 V implementations.

A digital signal processor, or DSP, is a semiconductor optimized for repeated numerical operations such as multiplication, addition, filtering, Fourier analysis, and waveform generation. A DSP belongs to the processor hierarchy: DSP → digital signal processor → embedded processor → semiconductor. Its architecture is designed to execute signal-processing algorithms efficiently, especially when data must be sampled, transformed, filtered, and reconstructed in real time.

The verified data identifies a 16-bit floating-point processor operating at 100 MHz and delivering 50 MIPS. The TMS320C5x CPU family also supports single-cycle 16-bit multiply/add operations. This combination makes the device suitable for embedded audio, communications, control, instrumentation, and industrial signal-processing systems where deterministic arithmetic is important. The family datasheet lists execution times of 25, 35, and 50 ns for 5 V operation and 25, 40, and 50 ns for 3 V operation.

TMS320C51PQA uses a 132-pin package and is identified as a 5 V, industrial-temperature-grade component in the supplied product data. The verified listing specifically identifies the part as a 16-bit DSP with floating-point capability, 100 MHz clocking, 50 MIPS throughput, and 132 terminals. Detailed memory, peripheral, electrical, and timing parameters are not included in the supplied verified records, so they are not inferred here.

Typical applications include embedded audio processing, digital filtering, speech and communications signal processing, industrial measurement, and real-time control. The processor's dedicated numerical architecture can reduce the computational overhead of implementing these tasks with a general-purpose processor, while the 100 MHz clock provides a defined performance target for algorithm evaluation and legacy system maintenance.

When designing around TMS320C51PQA, engineers should verify the complete electrical and pin-level requirements from the TMS320C51 family datasheet, especially supply voltage, clock requirements, memory interface behavior, and external support circuitry. Because no verified replacement list identifies a pin-compatible substitute, replacement decisions require direct comparison of the package, pinout, memory map, peripherals, instruction compatibility, and timing requirements.

This page consolidates the supplied manufacturer and distributor references for the TMS320C51PQA and distinguishes verified facts from parameters requiring datasheet confirmation. It is intended as an engineering sourcing aid, not as a substitute for the original Texas Instruments documentation.

Drop-in-Alternativen für TMS320C51PQA – gleiches Gehäuse, Pin-kompatibel. Bauteile mit anderem Gehäuse, die eine PCB-Überarbeitung erfordern, sind ausgeschlossen.

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Für dieses Produkt sind keine Drop-in-Alternativen verfügbar.

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TMS320C51PQA Technische Daten

Processor Type Digital Signal Processor (DSP)
Data Width 16 bit
Arithmetic Type Floating-point
Clock Frequency 100 MHz
Execution Rate 50 MIPS
CPU Architecture TMS320C5x 16-bit CPU
5 V Instruction Execution Time 25 ns, 35 ns, or 50 ns per cycle
3 V Instruction Execution Time 25 ns, 40 ns, or 50 ns per cycle
Package Type 132-pin BQFP
Package Pin Count 132 pins
Versorgungsspannung 5 V
Temperature Grade Industrial temperature grade
Montageart Surface-mount plastic quad flat package
Multiply/Add Capability Single-cycle 16-bit multiply/add
Processor Status Active

TMS320C51PQA 132 pins Pinbelegungsleitfaden

Pinbelegung für TMS320C51PQA (132 pins-Gehäuse). Pin-Nummerierung, Funktionen und Anschlussdiagramme sind im Herstellerdatenblatt definiert. Entnehmen Sie diesem den genauen Footprint und Lötrichtlinien.

Pinbelegungsdiagramm für TMS320C51PQA im 132 pins-Gehäuse

Keine detaillierten Pinbelegungsdaten verfügbar für TMS320C51PQA.

Siehe die Datenblatt für die vollständige Pin-Konfiguration.

Typische Anwendungen

TMS320C51PQA ist geeignet für 6 Anwendungs: Embedded Audio Signal Processing, Digital Filtering and Equalization, Industrial Measurement and Control, Communications and Speech Processing, Instrumentation and Waveform Generation, Legacy Embedded DSP Platform Maintenance.

🎧

Embedded Audio Signal Processing

TMS320C51PQA fits embedded audio systems that require deterministic 16-bit numerical processing at a defined clock target. Its verified 100 MHz clock and 50 MIPS throughput provide a clear performance envelope for filtering, mixing, equalization, and other real-time audio operations. The 132-pin BQFP package exposes the processor's external interfaces but requires careful board layout and signal-integrity control. Because the verified data does not specify supported audio peripherals or memory configuration, engineers should confirm codec interface, DMA behavior, and external memory requirements in the family datasheet before finalizing the design.

🔧

Digital Filtering and Equalization

The TMS320C51PQA is suitable for FIR and IIR filtering, adaptive equalization, and other multiply-accumulate-heavy tasks where predictable execution is valuable. The family documentation identifies single-cycle 16-bit multiply/add operations, while the verified product data specifies 50 MIPS throughput at 100 MHz. In a practical design, coefficient storage, buffer memory, interrupt latency, and data movement can limit real-time throughput even when the CPU timing target is met. Validate coefficient precision, memory bandwidth, and peripheral timing against the TMS320C51 family documentation.

🏭

Industrial Measurement and Control

TMS320C51PQA can support industrial measurement and control functions that combine sampled data with fixed-point or floating-point arithmetic, provided the system's electrical and timing requirements match the device. The verified listing identifies an industrial-temperature-grade 5 V part, which makes it a candidate for equipment operating in controlled industrial environments. The supplied records do not confirm analog interfaces, isolation, watchdog features, or safety certification. Those functions must be implemented and verified externally, with the processor used only where its documented instruction timing and I/O behavior satisfy the control-loop requirements.

🌐

Communications and Speech Processing

The 16-bit DSP architecture and multiply-accumulate capability make TMS320C51PQA a candidate for speech, communications, and modulation-related algorithms. At 100 MHz and 50 MIPS, it offers a defined legacy processing baseline for filters, correlation, spectral operations, and other numerical tasks. However, the supplied verified data does not identify protocol accelerators, serial-interface timing, or modem hardware. System designers must verify the required sample rates, serial protocols, memory bandwidth, and software ecosystem before selecting it for a new communications design.

📺

Instrumentation and Waveform Generation

TMS320C51PQA is applicable to legacy instrumentation products that synthesize waveforms, analyze acquired signals, or implement digital correction. The verified 16-bit format, 100 MHz clock, and 50 MIPS classification support numerical processing, but the output bandwidth and latency will depend on the external memory, data converters, and peripheral configuration. For laboratory instruments, preserve deterministic timing and avoid assuming that CPU MIPS alone guarantees end-to-end sample throughput. Validate converter interface timing, clock jitter, grounding, and signal conditioning in the complete system design.

🖥️

Legacy Embedded DSP Platform Maintenance

TMS320C51PQA is well suited to maintaining or reproducing an existing TMS320C5x-based embedded signal-processing design, subject to exact pin, memory, and software compatibility checks. The active status reported by the supplied distributor comparison is useful for long-term sourcing, but it does not eliminate supply-chain risk or guarantee every package variant remains available. When maintaining legacy equipment, preserve the original datasheet revision, verify errata, confirm external memory and peripheral timing, and qualify any alternate sourcing channel before production use.

What is TMS320C51PQA?
TMS320C51PQA is a Texas Instruments 16-bit digital signal processor in a 132-pin BQFP package. The supplied Texas Instruments and distributor references identify a floating-point DSP with a 100 MHz clock and 50 MIPS execution rate. It is based on the TMS320C5x CPU family and is intended for embedded signal-processing systems. The family documentation describes single-cycle 16-bit multiply/add operation and separate execution-time options for 3 V and 5 V operation.
What are the key specifications of TMS320C51PQA that engineers should know?
The verified specifications for TMS320C51PQA identify a 16-bit floating-point DSP with a 100 MHz clock, 50 MIPS throughput, and 132-pin BQFP packaging. Its TMS320C5x CPU supports single-cycle 16-bit multiply/add operations, while the family datasheet lists 25 ns, 35 ns, and 50 ns execution times for 5 V operation and 25 ns, 40 ns, and 50 ns for 3 V operation. Memory sizes, peripheral details, and complete timing limits must be confirmed in the family datasheet.
What is the operating voltage of TMS320C51PQA?
The supplied product listing identifies TMS320C51PQA as a 5 V component. The TMS320C51 family documentation also describes 3 V execution-time options for related family devices, but those family-level figures do not establish that every PQA suffix configuration operates identically. For the specific TMS320C51PQA orderable part, use the manufacturer datasheet and device labeling to confirm supply limits, decoupling, and timing before layout or replacement.
What is the clock frequency and processing rate of TMS320C51PQA?
The verified product data lists TMS320C51PQA at 100 MHz and 50 MIPS. In practical terms, the clock identifies the processor timing target while MIPS describes the stated execution throughput used in the product classification. The family documentation describes single-cycle 16-bit multiply/add capability. Actual application throughput depends on memory accesses, instruction mix, wait states, peripherals, and the clocking implementation.
Where can I download the TMS320C51PQA datasheet PDF?
The TMS320C51PQA datasheet should be obtained from the Texas Instruments product documentation or the linked TMS320C51 datasheet reference. The supplied search results include an AllDataSheet PDF page, but the official manufacturer documentation is preferred for engineering release. Search for the exact orderable MPN TMS320C51PQA and confirm the package suffix, revision, electrical limits, pinout, and timing tables before using the document for design signoff.
Where can I find the TMS320C51PQA pinout?
The TMS320C51PQA pinout must be taken from the TMS320C51 family datasheet and checked against the 132-pin BQFP package drawing. The supplied verified results establish the package and pin count but do not provide the individual pin names. Therefore, a complete pin list cannot be safely reconstructed from the search snippets. Do not rely on inferred pin numbering; verify supply, ground, clock, reset, memory, peripheral, and no-connect assignments directly from the manufacturer pin description.
What is the difference between TMS320C51PQA and TMS320BC52PJ100?
The supplied comparison identifies TMS320BC52PJ100 as an obsolete TMS320C5x device and TMS320C51PQA as active, but it does not provide enough verified information to call them drop-in replacements. The comparison snippet lists different product status, interface, clock, and memory-related fields, indicating that a replacement decision requires detailed comparison. Package, pinout, instruction set, memory architecture, peripherals, timing, and electrical compatibility must all be verified before substitution.
Is TMS320BC52PJ100 a drop-in replacement for TMS320C51PQA?
No drop-in replacement can be confirmed from the supplied data. TMS320BC52PJ100 and TMS320C51PQA are both associated with the TMS320C5x family, but the supplied comparison identifies different product-status and interface-related information, and it does not establish pin compatibility or identical electrical behavior. Treat the BC52PJ100 as a comparison candidate only until the manufacturer or an authorized cross-reference source confirms same-package pin-to-pin compatibility.
Where can I buy TMS320C51PQA online?
The supplied distributor references include DigiKey, Octopart, AMPHEO, Jotrin, and other marketplace listings for TMS320C51PQA. DigiKey identifies the part as a Texas Instruments DSP and provides a product and purchasing page; Octopart states that it compares bulk pricing from two distributors. Current unit price and stock must be checked directly with the distributor because the supplied data does not include a verified numeric price or explicit inventory quantity.
What is the price of TMS320C51PQA?
The supplied data does not provide a verified numeric price for TMS320C51PQA, so the pricing tiers are retained as unavailable placeholders rather than estimated values. Current pricing must be obtained from DigiKey, Octopart, AMPHEO, or another authorized distributor as of 2026-10-23. Compare the exact suffix, package, quantity, and stock status because legacy DSP pricing can vary substantially with order quantity and market availability.
What is the lead time for TMS320C51PQA?
The supplied data does not state a numeric lead time for TMS320C51PQA. DigiKey's listing says the part can be bought and shipped today, but that statement is not accompanied by a verified lead-time value or inventory count. Confirm current lead time with the distributor as of 2026-10-23 and request written confirmation for production quantities. Lifecycle status alone does not guarantee immediate availability.
Is TMS320C51PQA in stock?
The supplied DigiKey result contains the phrase “Buy now, ships today,” but the underlying quantity and stock count are not included. This is insufficient to claim a specific in-stock quantity. Treat availability as distributor-confirmation dependent and verify the exact MPN, package, and order quantity before placing an order. The page should not be interpreted as a guaranteed stock allocation.
Is TMS320C51PQA suitable for industrial applications?
The supplied product listing identifies TMS320C51PQA as an industrial-temperature-grade 5 V DSP in a 132-pin BQFP package. That makes it a candidate for industrial signal-processing equipment, but suitability depends on the complete datasheet electrical limits, temperature range, clock requirements, memory interface, and reliability program. Verify those details before using it in a safety-critical or production industrial design.
Can TMS320C51PQA replace a generic DSP or MCU?
TMS320C51PQA should not be treated as a generic drop-in replacement without a complete compatibility review. It is a legacy 16-bit DSP with a specific TMS320C5x architecture, 132-pin package, memory interface, peripherals, and instruction behavior. A replacement may require software changes, board changes, timing changes, or different external memory. Verify pinout, package, supply, clock, memory map, peripherals, and software compatibility.
What is the best alternative to TMS320C51PQA?
No verified best alternative is established by the supplied data. The only identified comparison candidate, TMS320BC52PJ100, has a different lifecycle status and is not confirmed as pin-compatible. A valid replacement must match the 132-pin BQFP footprint, supply requirements, clocking, memory interface, peripheral set, instruction compatibility, timing, and software support. Until those requirements are documented, TMS320C51PQA should be sourced as the specified part.
Why is a 132-pin BQFP important when replacing TMS320C51PQA?
The 132-pin BQFP package defines the physical land pattern and the number of external connections available on the device. Even a processor in the same TMS320C5x family may differ in pin functions, supply pins, memory signals, peripheral multiplexing, or no-connect assignments. A mechanical footprint match is therefore only the first check. Confirm every pin and electrical timing requirement against the original and proposed replacement datasheets.
Does TMS320C51PQA support floating-point processing?
Yes. The supplied Texas Instruments and distributor classification explicitly identifies TMS320C51PQA as a floating-point DSP. The part is also described as a 16-bit digital signal processor with a TMS320C5x CPU. The precise instruction-level floating-point behavior, numeric formats, and exception handling should be confirmed in the official TMS320C51 datasheet rather than inferred from the marketplace classification alone.

Technische Referenzdaten für TMS320C51PQA – Vergleich, Designhinweise und Compliance-Informationen.

Auswahlhilfe

Choose TMS320C51PQA when the design specifically requires the Texas Instruments TMS320C5x 16-bit DSP platform, a 100 MHz clock target, and the verified 132-pin BQFP configuration. It is appropriate for maintaining a compatible legacy product or reproducing an existing embedded signal-processing design. Do not substitute TMS320BC52PJ100 merely because it belongs to the same broad family; the supplied comparison marks that device obsolete and shows different interface-related information. For any replacement, require a complete pinout, memory, timing, electrical, peripheral, and software review. A modern DSP such as TMS320C6748EZWT4 or ADSP-21469BBCZ-3 may be more appropriate for a new design, but it should be treated as a platform redesign unless a formal compatibility study proves otherwise.

Vergleich mit Alternativen

Parameter Dieses Produkt
Package 132-pin BQFP
Brand Texas Instruments
Processor Type Digital Signal Processor (DSP) Digital Signal Processor (DSP)
Clock Frequency 100 MHz 100 MHz
Lifecycle Status Active Obsolete

Wichtigste Unterscheidungsmerkmale

  • Active lifecycle status in the supplied comparison (vs. TMS320BC52PJ100)
  • 100 MHz clock and 50 MIPS classification (vs. TMS320BC52PJ100)
  • Explicit floating-point classification (vs. TMS320BC52PJ100)
  • 132-pin BQFP package identification (vs. TMS320BC52PJ100)

Designhinweise

The verified product data identifies TMS320C51PQA as a 5 V device. Before layout, confirm the exact supply-voltage limits, input-voltage tolerance, sequencing requirements, and decoupling recommendations in the TMS320C51 family datasheet. Place required bulk and high-frequency decoupling capacitors close to the documented power pins, and validate the power network for both processor startup and worst-case clock activity. Estimated power dissipation cannot be calculated from the supplied data because current consumption and voltage-drop conditions are not provided.

The 132-pin BQFP package requires a fine-pitch, high-pin-count land pattern and careful escape routing. Use the manufacturer package drawing and pin table as the authority for pad geometry, pin-one orientation, and no-connect assignments. Route clock, reset, and high-speed memory signals with controlled impedance where applicable, minimize long stubs, and provide a solid return path. Because the supplied data does not include the complete pinout or recommended PCB layout, do not infer pad locations from the package name alone.

Do not treat a same-family processor as a drop-in replacement merely because both devices use a TMS320C5x designation. TMS320BC52PJ100 is identified in the supplied comparison as obsolete and has different interface-related fields, so its compatibility is unconfirmed. Before substitution, compare every pin, memory map, interrupt vector, peripheral function, clock setting, instruction behavior, supply requirement, and software build target. A successful board fit does not establish functional or timing compatibility.

Compliance-Informationen

RoHS
Unknown
REACH
Unknown
AEC-Q100
Unknown
Bleifrei
Unknown
Halogenfrei
Unknown
Konfliktmineralien
Unknown

The supplied verified data does not provide compliance declarations. The industrial-temperature classification is a product attribute, not evidence of RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals compliance. Obtain current manufacturer or authorized-distributor documentation before making a compliance claim.

Daten verifiziert am: 2026-10-23 – Daten geprüft und kuratiert vom Bauteil-Engineering-Team von XAIPART

Ähnliche Suchanfragen

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Verwandte Bauteile & Begriffe

Texas Instruments TMS320C51PQA TMS320C51 TMS320C5x Digital Signal Processor DSP floating-point processor 16-bit processor embedded processor semiconductor 100 MHz 50 MIPS single-cycle multiply/add 132-pin BQFP industrial temperature grade audio signal processing digital filtering industrial measurement communications TMS320BC52PJ100 BSP SSP ROM Texas Instruments TMS320C5x family
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