MPC860SRCVR66D4 - 66MHz PowerQUICC MPU, 357-PBGA | NXP
MPN: MPC860SRCVR66D4 ✗ End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $145 | $145.00 |
| 10 | $132.5 | $1,325.00 |
| 100 | $118 | $11,800.00 |
| 500 | $105 | $52,500.00 |
| 1,000 | $92 | $92,000.00 |
MPC860SRCVR66D4 Overview
A microprocessor (MPU) is a single-chip CPU that fetches, decodes, and executes instructions from external memory, serving as the central processing unit of an embedded system. The MPC8xx family is a 32-bit RISC microprocessor family integrating on-chip peripherals (SCC, FCC, SMC, SPI, I2C, timers) and a CPM, placing it within the broader hierarchy: microprocessor -> embedded processor -> communications controller -> power management controller -> semiconductor. This high level of integration is what made the PowerQUICC platform the de-facto controller for routers, DSLAMs, and base stations in the late 1990s and early 2000s.
Key specifications include a 66 MHz CPU clock, 3.3 V I/O and core voltage, on-chip CPM with multiple serial channels, a 32-bit PowerPC core with MMU and unified caches, and a 357-ball plastic BGA package in a 25x25 mm footprint. The device integrates Ethernet (10/100), HDLC/SDLC, transparent and synchronous UART, and ATM support through the CPM, eliminating the need for an external protocol-handling ASIC.
Technically, the MPC860SRCVR66D4 separates processing between the PowerPC core and the CPM, which handles DMA-driven peripheral traffic autonomously; the core is interrupted only when protocol-level frames are reassembled. The 0.32 um CMOS process delivers the low power dissipation that embedded telecom designs required at the time, and the 32-bit PowerPC ISA delivers predictable performance for RTOS workloads such as VxWorks, pSOS, and Linux derivatives.
Typical applications include enterprise routers and access multiplexers, ISDN/DSL modem banks, telecom switching control boards, industrial serial-to-Ethernet gateways, and legacy SCADA controllers. Designers chose the MPC860SRCVR66D4 for its combination of deterministic CPM behaviour, mature toolchain support, and long-life revision control in industrial programs.
Design considerations include careful BGA fan-out on a multi-layer PCB, decoupling on all VDD/VSS pairs, JTAG boundary-scan support for production test, and operating temperature choice tied to system airflow. For new designs consider the MPC8309 or LS1021 - the MPC860SRCVR66D4 is now in NRND / End-of-Life and should be qualified against the PCN before long-term production.
This page consolidates distributor pricing, drop-in alternatives, and engineering design notes that complement the manufacturer datasheet, enabling sourcing and second-source qualification beyond the OEM document alone.
Drop-in alternatives for MPC860SRCVR66D4 — 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 MPC860SRCVR66D4 (same form factor and footprint) — differing in Core Architecture, MMU, Mounting Type, Processor Type, RoHS Status.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
MPC860TVR66D4
✅ Drop-In📋 Reference alternative (not in catalog)
MPC860ENVR66D4
✅ Drop-In✓ In Stock
$48.85 / Unit
View Datasheet →MPC860PVR80D4
✅ Drop-In📋 Reference alternative (not in catalog)
MPC860DTCZQ50D4
✅ Drop-In📋 Reference alternative (not in catalog)
MPC860TCZQ66D4
✅ Drop-In📋 Reference alternative (not in catalog)
MPC860SRCVR66D4 Maximum Ratings & Electrical Characteristics
| Processor Type | MPC8xx PowerQUICC, 32-bit RISC |
| Core Architecture | PowerPC 32-bit with CPM module |
| Core Clock Speed | 66 MHz |
| Supply Voltage | 3.3 V |
| Number of Cores | 1 |
| On-chip Peripherals | CPM (SCC, FCC, SMC, SPI, I2C, timers, Ethernet) |
| Package / Case | 357-PBGA (25x25 mm) |
| Mounting Type | Surface Mount (BGA) |
| Process Technology | 0.32 um CMOS |
| MMU | Yes (hardware memory management unit) |
| JTAG Support | Yes (boundary scan) |
| Lead Free Status | Lead Free |
| RoHS Status | RoHS Compliant |
| Packaging | Tray |
MPC860SRCVR66D4 357-pbga (25x25 mm) Pin Configuration Guide
Pin configuration for MPC860SRCVR66D4 (357-pbga (25x25 mm) package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for MPC860SRCVR66D4.
Refer to the datasheet for full pin configuration.
Typical Applications
MPC860SRCVR66D4 is suitable for 7 applications: Enterprise Router Control Plane, DSLAM and Access Multiplexer Line Cards, Industrial Serial-to-Ethernet Gateways, Telecom Switching Control Boards, SCADA Master Station Controllers, Legacy Printer and Imaging Controllers, Avionics and Industrial Embedded Boards.
Enterprise Router Control Plane
The MPC860SRCVR66D4 suits enterprise router control planes where the integrated CPM offloads HDLC and serial-channel frame processing from the PowerPC core. With four SCCs, two SMCs, an SPI, and an I2C controller on-chip, it handles legacy WAN interfaces without a companion ASIC. The 66 MHz core clock plus autonomous CPM DMA keeps forwarding latency deterministic under burst traffic, while the 32-bit PowerPC ISA runs routing daemons comfortably in Linux or VxWorks for management-plane code.
Recommended
DSLAM and Access Multiplexer Line Cards
DSLAM and access-multiplexer line cards benefit from the MPC860SRCVR66D4's combination of multi-protocol serial channels and Ethernet MAC. The CPM handles ATM AAL2/AAL5 segmentation through HDLC pipelines while the PowerPC core runs signalling and link-management code. The 357-PBGA package exposes dedicated pins for TDM buses used in T1/E1 aggregation, making it easier to scale a chassis-wide clock tree. Designers re-using an MPC860SRCVR66D4 BSP can shorten DSLAM firmware development and reuse Linux pppd or ppp-relay stacks.
Recommended
Industrial Serial-to-Ethernet Gateways
The MPC860SRCVR66D4 is widely deployed in industrial serial-to-Ethernet gateways that translate Modbus RTU, Profibus, or DNP-3 traffic onto TCP/IP backbones. The CPM SCCs and SMCs cover RS-485 multi-drop protocols while the on-chip 10/100 Ethernet MAC feeds the uplink port. The 66 MHz PowerPC core runs 32-bit Modbus or DNP-3 stacks with sub-10 ms cycle times, and the MMU supports process isolation in Linux-based gateway firmware. With the part now NRND, legacy field deployments often retain the MPC860SRCVR66D4 for spares continuity.
Recommended
Telecom Switching Control Boards
Telecom switching control boards use the MPC860SRCVR66D4 as the management and signalling controller for TDM backplanes. The CPM ports handle PCM highway aggregation while the PowerPC core runs signalling stacks such as SS7 or ISDN D-channel. Hardware MMU and deterministic interrupt response make the MPC860SRCVR66D4 suited to safety-relevant telecom chassis where a watchdog reset must drive deterministic recovery. The 357-BGA exposes sufficient address and data lines to bridge SDRAM and Flash memory in classic PowerQUICC reference designs.
Recommended
SCADA Master Station Controllers
SCADA master station controllers use the MPC860SRCVR66D4 for substation aggregation across serial radio, leased-line, and Ethernet paths. The CPM's HDLC pipelines keep polling latency low while the 32-bit PowerPC core handles IEC-60870 or DNP-3 application logic. The 357-PBGA package, combined with hardware watchdog and JTAG boundary-scan, supports long-life substation deployments. The legacy design houses reiterate the MPC860SRCVR66D4 in retrofit spares lists for utilities upgrading incrementally.
Recommended
Legacy Printer and Imaging Controllers
The MPC860SRCVR66D4 has been used in high-end networked printer and imaging controllers where parallel DMA channels and multi-protocol serial links converge. The CPM drives SCSI/parallel imaging pipelines while the SCCs sustain a serial maintenance channel. The 66 MHz core gives enough throughput to handle raster image processing in PCL/PDF interpreters for A3-class workgroup printers. Embedded firmware houses continue to maintain MPC860SRCVR66D4-based service parts for installed fleets in government and education markets.
Recommended
Avionics and Industrial Embedded Boards
In avionics and industrial embedded SBCs the MPC860SRCVR66D4 functions as a deterministic embedded controller when the program requires long-life revision control. The PowerPC MMU, atomic primitives, and VxWorks BSP support enable certifiable system builds under DO-178 frameworks for some legacy programs. The 357-PBGA gives engineers enough I/O to wire ARINC-429 or CAN interfaces through external transceivers, while the CPM handles time-critical bus protocols. Long-term repair programs often keep the MPC860SRCVR66D4 as a drop-in spare for installed flight hardware.
Recommended
Recommended Products Summary
Engineering reference data for MPC860SRCVR66D4 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | MPC860TVR66D4 | MPC860ENVR66D4 | MPC860PVR80D4 | MPC860DTCZQ50D4 | MPC860TCZQ66D4 |
|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 357-PBGA (25x25 mm) | 357-PBGA (25x25 mm) - same | 357-PBGA (25x25 mm) - same | 357-PBGA (25x25 mm) - same | 357-PBGA (25x25 mm) - same | 357-PBGA (25x25 mm) - same |
| Core Clock Speed | 66 MHz | 66 MHz | 66 MHz | 80 MHz | 50 MHz | 66 MHz |
| Supply Voltage | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V |
| CPM Peripheral Tuned For | Serial-Routing Controllers (SRC) | Telco-Voice (TV) | Ethernet/Networking (ENV) | PCI + Serial-Routing (PV) | Data-Telecom (DTC) | Telco-Communications (TC) |
| PCI Bridge | No | No | No | Yes | No | No |
| Core Architecture | PowerPC 32-bit + CPM | PowerPC 32-bit + CPM | PowerPC 32-bit + CPM | PowerPC 32-bit + CPM | PowerPC 32-bit + CPM | PowerPC 32-bit + CPM |
| RoHS Status | RoHS Compliant | RoHS Compliant | RoHS Compliant | RoHS Compliant | RoHS Compliant | RoHS Compliant |
| Lifecycle Status | NRND / End-of-Life | NRND / End-of-Life | NRND / End-of-Life | NRND | NRND / End-of-Life | NRND / End-of-Life |
Key Differentiators
- SRC-tuned CPM peripheral mix for serial-routing control (vs MPC860TVR66D4)
- 66 MHz base clock for long-life deployments (vs MPC860PVR80D4)
- Deterministic CPM DMA off-load for real-time control (vs MPC860DTCZQ50D4)
- RoHS-compliant lead-free termination for EU shipments (vs MPC860TVR66D4)
Design Notes
The 357-PBGA package dissipates power primarily through the die-to-PCB thermal path. Estimated: at 3.3 V with 66 MHz clock, the steady-state ICC for PowerPC core + active CPM runs roughly in the order documented in the MPC860 reference manual DC characteristics section. Designers should populate thermal vias under the central die-attach pad and consider a 2 oz copper inner plane to spread heat. Forced airflow is recommended for chassis cards where ambient rises above 50 C. Refer to the NXP MPC860 hardware specifications document, not the marketing brief, for the actual ICC vs CPM-load curves.
The 357-PBGA (25x25 mm) demands a minimum of 4 PCB routing layers with micro-via laser-drilled stack-ups. Use 0.4 mm pitch escape patterns from the BGA with via-in-pad fan-out for inner rows. Match length on the PowerPC 60x bus pair-to-pair within 100 mils to avoid timing skew, and provide solid GND planes adjacent to each address/data signal layer. Bulk and high-frequency ceramic decoupling on every Vdd/Vss pair must be placed within 100 mils of the balls.
The PowerPC 60x bus and the CPM TDM/SCC lines can fall out of compliance if trace impedance drifts above 65 ohm single-ended. Series-source termination near the driver side is recommended for long address/data nets that exceed 50 mm. Use Ibis models from the NXP MPC860 IBIS download archive; do not rely on generic PowerPC IBIS files because CPM-specific outputs differ. DDR-style SDRAM nets must be length-matched inside byte lanes per JEDEC JESD21-C signalling conventions if applicable to your SDRAM generation.
Do not assume the MPC860SRCVR66D4 is pin-to-pin identical to every MPC860 family member - the SRC, TV, ENV, PV, and TC variants share the 357-PBGA footprint but vary in CPM peripheral mapping. Verify the silicon revision letter against your BSP before swapping. Watch the JTAG TRST pull-up behaviour at power-up: an unterminated TRST can latch the TAP controller into a state that prevents boundary scan. Also confirm the boot ROM configuration word matches the SDRAM you populated - the default reset vector assumes specific boot devices.
Route the PowerPC 60x bus on a dedicated internal layer strip-line sandwiched between GND planes. The CPM serial channels should be DC-balanced through transformer coupling when long-distance backplane traces are involved. Keep analog GND and digital GND separated at the chip and joined at a single star point near the regulator. For multi-board chassis designs, allocate guard traces around TDM clock lines to prevent crosstalk from neighbouring address/data nets.
Compliance Information
RoHS compliant and lead-free per NXP product page and DigiKey/Mouser listings. REACH status not explicitly stated on NXP part page and should be verified via the NXP material declaration database. AEC-Q100 not applicable - this is a communications MPU, not an automotive-qualified part.
