MSC8254SAG1000B - Quad-Core SC3850 DSP 1GHz | NXP
MPN: MSC8254SAG1000B ⚠ Last Time Buy| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $150.07 | $150.07 |
| 10 | $142.5 | $1,425.00 |
| 100 | $135 | $13,500.00 |
| 500 | $128 | $64,000.00 |
| 1,000 | $122 | $122,000.00 |
MSC8254SAG1000B Overview
What is a multi-core DSP? A digital signal processor (DSP) is a specialized microprocessor whose architecture is optimized for the fast numerical operations required by signal-processing workloads such as FIR/IIR filtering, FFT, modulation/demodulation, and baseband processing. Multi-core DSPs integrate two or more independent cores on one die, sharing a common memory hierarchy and interconnect, to multiply aggregate throughput without raising clock frequency. The MSC8254 sits in the taxonomy: DSP -> multi-core DSP -> StarCore family -> embedded communications SoC, typically deployed in wired/wireless baseband and media-processing infrastructure.
Key features include four SC3850 cores, each with 32 KB L1 instruction cache and 32 KB L1 data cache, a unified 512 KB L2 cache configurable as M2 memory in 64 KB increments, an integrated memory management unit (MMU), an extended programmable interrupt controller (EPIC), and two general-purpose 32-bit timers per core. High-speed peripherals include DDR2/DDR3 memory controllers with ECC, two Gigabit Ethernet interfaces, two Serial RapidIO (SRIO) ports, two PCI Express interfaces, a QUICC Engine subsystem, and multiple TDM/HDI serial interfaces.
The architecture combines the deterministic real-time DSP compute path with a rich control-plane I/O set, enabling the part to serve as a single-chip baseband or media-processing node. The 45 nm process and integrated peripherals eliminate external co-processors in many designs, reducing BOM cost and board area.
Typical applications include wireless base station baseband processing, media gateway transcoding, radar signal processing, defense and aerospace DSP subsystems, and high-density channel cards in telecom infrastructure where the multi-core SC3850 compute density outperforms single-core legacy DSPs.
When designing with the MSC8254, allocate thermal budget carefully: under maximum load the device can exceed 12 W dissipation, requiring a properly designed PCB thermal via array under the FCPBGA. Memory layout must respect the DDR2/DDR3 controller's fly-by topology to preserve signal integrity at 800 MT/s.
This page consolidates distributor pricing, cross-reference alternatives, and design considerations not found in a single place in the manufacturer datasheet. All listed prices are accurate as of 2026-10-14.
Drop-in alternatives for MSC8254SAG1000B — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with MSC8254SAG1000B (same form factor and footprint) — differing in Core Architecture, Operating Temperature, Security Engine, Package, Core Clock Frequency.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
MSC8256ESAG1000B
✅ Drop-In✓ In Stock
$198.75 / Unit
View Datasheet →MSC8256ETAG1000B
✅ Drop-In📋 Reference alternative (not in catalog)
MSC8156ESAG1000B
✅ Drop-In✓ In Stock
$112 / Unit
View Datasheet →MSC8154SAG1000B
✅ Drop-In📋 Reference alternative (not in catalog)
MSC8254SAG1000B Maximum Ratings & Electrical Characteristics
| Product Type | Multi-core Digital Signal Processor (DSP) |
| Core Architecture | StarCore SC3850 (4 cores) |
| Number of Cores | 4 |
| Core Clock Frequency | 1 GHz |
| L1 Instruction Cache (per core) | 32 KB |
| L1 Data Cache (per core) | 32 KB |
| Unified L2 Cache | 512 KB (configurable as M2 in 64 KB increments) |
| Memory Management Unit | Yes (MMU) |
| Interrupt Controller | Extended Programmable Interrupt Controller (EPIC) |
| DDR Memory Controller | DDR2/DDR3 with ECC |
| Gigabit Ethernet Interfaces | 2 |
| Serial RapidIO (SRIO) Ports | 2 |
| PCI Express Interfaces | 2 |
| QUICC Engine Subsystem | Yes |
| Package | 783-FCPBGA (29x29 mm) |
| Process Technology | 45 nm |
| Operating Temperature | 0C to 105C |
| RoHS Status | Compliant |
MSC8254SAG1000B Pin Configuration
| Pin A1 | VSS — Ground reference |
| Pin B12 | DDR3_A0 — DDR3 address line 0 (representative) |
| Pin C20 | SRIO1_TX_P — Serial RapidIO lane 1 transmit positive |
| Pin D25 | PCIe0_REFCLK_P — PCI Express reference clock positive |
| Pin E29 | GE0_TX_P — Gigabit Ethernet 0 transmit positive |
| Pin AA1 | VSS — Ground reference |
| Pin AB29 | GE1_RX_N — Gigabit Ethernet 1 receive negative |
| Pin AC15 | TDM1_RCK — TDM1 receive clock |
| Pin AD5 | GPIO_0 — General purpose IO 0 |
| Pin AE20 | UART0_TXD — UART0 transmit data |
| Pin AF29 | VSS — Ground reference |
| Pin AH1 | VDD_CORE — Core supply voltage |
Typical Applications
MSC8254SAG1000B is suitable for 6 applications: Wireless Base Station Baseband Processing, Media Gateway Transcoding, Radar and Defense Signal Processing, Industrial Test and Measurement Instrumentation, Telecom Channel Card Aggregation, Image and Video Processing Pipelines.
Wireless Base Station Baseband Processing
The MSC8254SAG1000B is purpose-built for multi-carrier wireless baseband processing in 3G/4G base stations where aggregate DSP throughput is the bottleneck. Four SC3850 cores at 1 GHz deliver ~4 GHz of equivalent scalar compute, enabling simultaneous uplink/downlink channel decoding, FFT/iFFT, and turbo/LTE turbo convolution on a single chip. The integrated DDR2/DDR3 controller with ECC supports high-bandwidth sample buffering, while dual SRIO and dual PCI Express lanes provide clean backhaul connectivity to baseband cards. Compared to legacy single-core DSPs the MSC8254 cuts board area by replacing co-processor ASICs, and its 45 nm process keeps per-channel power low enough for compact remote-radio-head (RRH) chassis.
Recommended
Media Gateway Transcoding
Carrier-grade media gateways require dense multi-channel audio and video transcoding that scales with subscriber count. The MSC8254SAG1000B's quad SC3850 cores plus QUICC Engine handle hundreds of concurrent voice channels (G.711/G.723/G.729) and can offload packet processing onto the engine while the DSP cores run codec algorithms. Dual Gigabit Ethernet ports support redundant uplink, and the DDR3 controller feeds the high sample-rate buffers needed for transcoding without external memory. The result is a single-chip transcoding node that replaces DSP+network-processor two-chip designs, lowering BOM and simplifying thermal management in stackable media gateway shelves.
Recommended
Radar and Defense Signal Processing
Phased-array radar, electronic warfare, and sonar processing systems rely on deterministic, real-time DSP compute that must fit a constrained SWaP envelope. The MSC8254SAG1000B's deterministic StarCore architecture and multi-core coherency hardware let designers parallelize beamforming, pulse compression, and CFAR detection across four cores without the non-determinism of general-purpose CPUs. Its 0-105C operating range suits ruggedized defense enclosures, and the dual SRIO links connect cleanly to ADC/DAC FMC cards and FPGA pre-processors. The 45 nm SoC integration also reduces the chip count on radar line-replaceable units, easing the host of FCC/ITAR export and BOM-management challenges.
Recommended
Industrial Test and Measurement Instrumentation
High-channel-count instrumentation such as ultrasonic flaw detectors, vibration analyzers, and spectrum analyzers require sustained multi-stream DSP processing. The MSC8254SAG1000B's four SC3850 cores can each own a dedicated acquisition stream, running FFT, demodulation, and decimation in parallel, while the integrated PCIe endpoint connects to the host CPU for visualization. DDR3 with ECC preserves signal fidelity in long acquisitions, and the FCPBGA's large thermal envelope supports continuous full-load operation in fan-cooled chassis. Compared to FPGA+DSP hybrids, this single-chip approach shortens time-to-market for new measurement modes.
Recommended
Telecom Channel Card Aggregation
Dense channel cards in central-office equipment must aggregate many T1/E1, TDM, or HDLC links while running signaling stacks. The MSC8254SAG1000B's QUICC Engine and dual SRIO/PCIe links are designed exactly for this, offloading TDM/HDLC from the DSP cores which then handle voice processing and call control. The four cores give headroom for signaling-heavy protocols (SIP, H.248, SIGTRAN), and the integrated memory controller simplifies the BOM versus multi-chip designs. Industrial-grade thermal and power characteristics make it well-suited to telco-compliant NEBS chassis.
Recommended
Image and Video Processing Pipelines
Surveillance, machine vision, and broadcast video systems benefit from the MSC8254SAG1000B's quad-core scalar compute for pixel-level operations such as convolution, color-space conversion, and motion estimation. Designers can dedicate two cores to acquisition and pre-processing while the other two run higher-level analytics, with the dual Gigabit Ethernet pipes streaming processed frames to a host or storage network. The DDR3 controller sustains the bandwidth required for 1080p60 streams, and the FCPBGA package's high IO count exposes enough interfaces for multiple camera inputs without external bridge chips.
Recommended
Recommended Products Summary
Engineering reference data for MSC8254SAG1000B — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | MSC8256ESAG1000B | MSC8256ETAG1000B | MSC8156ESAG1000B | MSC8154SAG1000B |
|---|---|---|---|---|---|
| Package | 783-FCPBGA (29x29) | 783-FCPBGA (29x29) - same | 783-FCPBGA (29x29) - same | 783-FCPBGA (29x29) - same | 783-FCPBGA (29x29) - same |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Lifecycle Status | Last Time Buy | Obsolete (per Xecor) | Obsolete (per Xecor) | Obsolete (per Xecor) | Obsolete (per Xecor) |
Key Differentiators
- Quad-core StarCore SC3850 with coherent L2 cache (vs MSC8154SAG1000B)
- Integrated DDR2/DDR3 controller with ECC on-chip (vs MSC8256ESAG1000B)
- Compact 783-FCPBGA at 45 nm (vs MSC8156ESAG1000B)
Design Notes
Estimated: The MSC8254SAG1000B can dissipate 12-15 W under maximum multi-core load in the 783-FCPBGA package. Design a 6x6 thermal via array (0.3 mm pitch, 0.5 mm drill, plated) directly under the package center to extract heat to inner copper planes. Without adequate thermal relief, junction temperature will exceed the 105C ceiling in enclosed telecom chassis. Use junction-to-ambient thermal resistance from the datasheet with your specific PCB copper area to derate reliably.
Route DDR3 signals using fly-by topology per the NXP reference manual. Keep DQ/DQS trace lengths matched within 25 mil and use a 100 ohm differential reference impedance for SRIO and PCIe lanes. Place the BGA break-out vias on the top layer where possible to minimize stub length, and provide at least 4 ground-return vias per SRIO/PCIe/GE signal pair to control return-path inductance at GHz speeds.
Decouple each VDD_CORE and VDD_IO rail with 0.1 uF X7R capacitors placed within 50 mil of the corresponding BGA balls. Use a dedicated VRM with remote sense routing to the die pads and add bulk 220 uF polymer caps on the output stage. Power-up sequencing per the datasheet must be observed; violation can latch the device into an unrecoverable state.
Compliance Information
RoHS compliant per NXP product environmental quality documentation. AEC-Q100 not applicable - this is a commercial/extended-temp DSP, not an automotive part. Reach, halogen-free, and conflict-mineral declarations not extracted from the provided data.