MPC853TVR66A - 66MHz PowerQUICC Ethernet MPU | NXP | 256-PBGA
MPN: MPC853TVR66A ⚠ Last Time Buy| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $48.5 | $48.50 |
| 10 | $43.2 | $432.00 |
| 100 | $38.75 | $3,875.00 |
| 500 | $34.9 | $17,450.00 |
| 1,000 | $31.1 | $31,100.00 |
MPC853TVR66A Overview
A microprocessor (MPU) is a single-chip CPU that fetches, decodes, and executes instructions from external memory, integrating the ALU, register file, control logic, and on-chip memory controllers. The MPC8xx PowerQUICC line sits within the broader taxonomy of Power Architecture embedded processors -> RISC microprocessors -> microcontrollers/MPUs -> integrated circuits -> semiconductors. It is commonly used in routers, switches, and industrial communication gateways where deterministic Ethernet throughput and legacy peripheral integration outweigh raw MHz.
Key features include a 32-bit PowerPC core with MMU, dual 10/100 Ethernet MACs (the defining "T" ethernet-only differentiator from the MPC866), integrated UARTs, an I2C controller, an SPI interface, general-purpose timers, and a flexible system bus. The 0.18 micron process delivers low power consumption while the 1.8 V core reduces dynamic dissipation versus older 2.x V PowerQUICC devices, enabling fanless industrial designs.
The MPC853T architecture combines the PowerPC core with the Communications Processor Module (CPM), offloading DMA, serial, and Ethernet handling from the core. This dual-engine approach is the hallmark of PowerQUICC and enables wire-speed Ethernet bridging at 66 MHz. Memory is supported through UPM and GPCM state machines interfacing SDRAM, SRAM, EPROM, and Flash. The 3.3 V I/O with 5 V TTL tolerance simplifies interfacing to legacy peripherals and 5 V logic buses commonly found in telecom and industrial backplanes.
Typical applications include 10/100 Ethernet routers, network switches, industrial gateways, telecom line cards, SOHO broadband gateways, and serial-to-Ethernet protocol converters. Anywhere deterministic Ethernet throughput at low BOM cost is needed, the PowerQUICC architecture remains a proven solution.
When designing with the MPC853TVR66A, ensure the 1.8 V core and 3.3 V I/O supplies are sequenced correctly and that the 66 MHz external bus has properly terminated source-synchronous clocks. Note that the part is in End-of-Life per the NXP product page - for new designs consider the MPC8xx family successors.
This page synthesizes NXP datasheet parameters, distributor pricing, drop-in alternatives from the MPC8xx family, and practical PBGA design notes that an isolated distributor listing does not provide.
Drop-in alternatives for MPC853TVR66A — 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 MPC853TVR66A (same form factor and footprint) — differing in Operating Temperature, Series, RoHS Status, Package, Manufacturer.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
MPC852TVR66A
✅ Drop-In✓ In Stock
$7.4 / Unit
View Datasheet →MPC866TVR66A
✅ Drop-In📋 Reference alternative (not in catalog)
MPC870VR66
✅ Drop-In✓ In Stock
$25.9 / Unit
View Datasheet →MPC875ZT80
✅ Drop-In✓ In Stock
$26.4 / Unit
View Datasheet →MPC875CZT66
✅ Drop-In✓ In Stock
$30.2 / Unit
View Datasheet →MPC853TVR66A Maximum Ratings & Electrical Characteristics
| Manufacturer | NXP Semiconductors (formerly Freescale Semiconductor) |
| Product Category | Microprocessors (MPU) |
| Series | MPC8xx / PowerQUICC |
| Family Member | MPC853T (ethernet-only member of MPC866 family) |
| Core Architecture | PowerPC (Power Architecture) 32-bit RISC |
| Number of Cores | 1 |
| Maximum Core Frequency | 100 MHz (MPC8xx Core, this part labeled 66 MHz / 66 MHz external bus) |
| External Bus Frequency | 66 MHz |
| Process Technology | 0.18 micron CMOS |
| Core Supply Voltage | 1.8 V |
| I/O Supply Voltage | 3.3 V (5 V TTL compatible) |
| Ethernet MACs | 2 x 10/100 Mbps (Fast Ethernet) |
| Operating Temperature | 0 °C to +95 °C |
| Package | 256-PBGA (23 x 23 mm) |
| Mounting Type | Surface Mount (BGA) |
| Lifecycle Status | End of Life (EOL) / Last Time Buy per NXP product page |
MPC853TVR66A 256-pbga (23 x 23 mm) Pin Configuration Guide
Pin configuration for MPC853TVR66A (256-pbga (23 x 23 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 MPC853TVR66A.
Refer to the datasheet for full pin configuration.
Typical Applications
MPC853TVR66A is suitable for 6 applications: 10/100 Ethernet Router / SOHO Gateway, Industrial Ethernet Switch / Bridge, Telecom / Network Line Card Controller, Serial-to-Ethernet Protocol Converter, Embedded Industrial Control / SCADA Node, Embedded Network Appliance / Set-Top Box.
10/100 Ethernet Router / SOHO Gateway
The MPC853TVR66A's two integrated 10/100 Ethernet MACs and PowerPC core make it an ideal low-cost engine for small-office/home-office routers and broadband gateways needing two WAN/LAN ports. Why it fits: both MII interfaces connect directly to external PHY transceivers without an external switch ASIC, and the PowerQUICC CPM offloads packet DMA from the core. How it is used: the part sits on a router main board with SDRAM (for routing tables) and Flash (for firmware), routing packets between WAN and LAN at wire speed. Trade-off: a modern QorIQ SoC would deliver higher throughput, but for legacy 100 Mbps deployments the MPC853T remains BOM-optimal.
Recommended
Industrial Ethernet Switch / Bridge
Industrial Layer-2 bridges and protocol converters leverage the MPC853TVR66A's dual Ethernet MACs and the CPM's programmable DMA channels to forward frames deterministically between segments. Why it fits: the CPM's RISC engine handles MAC-level processing without burdening the PowerPC core, sustaining wire-speed forwarding at 66 MHz. How it is used: paired with two PHY transceivers and a small SDRAM for buffer memory, it forms a deterministic two-port bridge for Modbus/TCP, Profinet, or EtherCAT gateway designs. Performance consideration: at 100 Mbps full-duplex per port the part is fully loaded, so adding extra ports requires an external switch ASIC.
Recommended
Telecom / Network Line Card Controller
Legacy telecom line cards use the MPC853TVR66A as a low-cost supervisory controller for packet-over-Ethernet backplanes in central-office equipment still in service today. Why it fits: the 5 V TTL tolerance on 3.3 V I/O simplifies interfacing to legacy 5 V logic buses common in installed telecom infrastructure. How it is used: sits alongside a TDM framer or ASIC, handling Ethernet OAM, SNMP, and remote management over one of its MACs. Trade-off: this part is EOL, so new line-card designs should evaluate the MPC8313E or QorIQ families for long-term availability.
Recommended
Serial-to-Ethernet Protocol Converter
Industrial protocol gateways that convert RS-232/RS-485 serial traffic to Ethernet rely on the MPC853TVR66A's combination of dual UARTs, SPI/I2C, and dual Ethernet MACs in a single BGA. Why it fits: the integrated peripherals eliminate external bridge chips; the PowerPC core runs the protocol stack while the CPM handles UART DMA. How it is used: a converter board uses one MAC for the Ethernet uplink and the UARTs/SPI for the serial field-bus, supporting Modbus RTU/TCP, DNP3, or BACnet bridging. Performance: at 66 MHz the core can typically service 4-8 serial ports at 115.2 kbps without contention.
Recommended
Embedded Industrial Control / SCADA Node
SCADA remote terminal units (RTUs) and embedded industrial controllers leverage the MPC853TVR66A's Ethernet and serial peripherals plus commercial-grade operating temperature. Why it fits: dual Ethernet enables redundant ring topologies (DLR or PRP) while UARTs interface to legacy instrumentation. How it is used: a typical RTU board has the MPC853T, 16-64 MB SDRAM, 8-32 MB Flash, two PHY transceivers, and opto-isolated RS-485 ports. Trade-off: the 0-95 °C temperature range limits outdoor cabinet deployment - consider an extended-temperature sibling for harsh environments.
Recommended
Embedded Network Appliance / Set-Top Box
Cost-sensitive consumer network appliances (entry-level NAS adapters, IP set-top boxes, thin clients) historically use the MPC853TVR66A as a low-power, integrated system controller. Why it fits: the 0.18 micron 1.8 V core delivers low power dissipation (typically 1-1.5 W) while the 3.3 V I/O simplifies integration with consumer-grade peripherals. How it is used: an IPTV set-top uses one MAC for WAN, one for LAN, plus a UART for the IR receiver and I2C for the front-panel controller. The single PowerPC core runs a small embedded Linux or VxWorks image from Flash.
Recommended
Recommended Products Summary
Engineering reference data for MPC853TVR66A — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | MPC852TVR66A | MPC866TVR66A | MPC870VR66 | MPC875ZT80 | MPC875CZT66 |
|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 256-PBGA (23x23 mm) | 256-PBGA (23x23 mm) - same | 256-PBGA (23x23 mm) - same | 256-PBGA (23x23 mm) - same | 256-PBGA (23x23 mm) - same | 256-PBGA (23x23 mm) - same |
| External Bus Frequency | 66 MHz | 66 MHz | 66 MHz | 66 MHz | 80 MHz | 66 MHz |
| Ethernet MACs | 2 x 10/100 | 1 x 10/100 | 1 x 10/100 | 1 x 10/100 | 1 x 10/100 | 1 x 10/100 |
| Core / I/O Voltage | 1.8 V / 3.3 V | 1.8 V / 3.3 V | 1.8 V / 3.3 V | 1.8 V / 3.3 V | 1.8 V / 3.3 V | 1.8 V / 3.3 V |
| Operating Temperature | 0 °C to +95 °C | 0 °C to +95 °C | 0 °C to +95 °C | 0 °C to +95 °C | 0 °C to +95 °C | -40 °C to +85 °C (extended) |
| Family Differentiation | Ethernet-only member of MPC866 (2 MACs) | Single Ethernet, lowest cost | Full MPC866 (1 MAC, HDLC, ATM SAR) | Cost-reduced CPM | Faster external bus full feature | Extended temperature variant |
| Process Technology | 0.18 micron CMOS | 0.18 micron CMOS | 0.18 micron CMOS | 0.18 micron CMOS | 0.18 micron CMOS | 0.18 micron CMOS |
Key Differentiators
- Dual 10/100 Ethernet MACs in a single 256-PBGA at ethernet-only pricing (vs MPC852TVR66A)
- Cost-optimized ethernet-only variant versus full MPC866 peripheral set (vs MPC866TVR66A)
- Extended temperature variants available within the same 256-PBGA footprint (vs MPC875CZT66)
Design Notes
The MPC853TVR66A requires a 1.8 V core supply and a 3.3 V I/O supply; both must be sequenced correctly per the datasheet's power-on section to prevent latch-up. The 1.8 V rail should ramp within 100 ms of the 3.3 V rail, or vice versa depending on the specific revision, and the PORESET signal must remain asserted until both rails are stable. Use an LDO such as the LP38502 or TPS7A45 for the 1.8 V core rail to minimize switching noise coupling into the analog PLL supply.
At full 66 MHz load with both Ethernet MACs active, the MPC853TVR66A typically dissipates 1.2-1.8 W in the 256-PBGA package. Estimate: with theta_JA of approximately 18 °C/W for the 23x23 mm PBGA on a 4-layer JEDEC test board, junction-to-ambient rise is roughly 22-32 °C above ambient - well within the 95 °C commercial-grade ceiling. For sealed enclosures without airflow, derate to 0.8 W and add a thermal via array under the package center to spread heat into inner ground planes.
The 256-PBGA (23x23 mm) requires a 1.0 mm ball pitch PCB land pattern with NSMD (non-solder-mask-defined) pads for the most reliable assembly. Use a 4-layer stackup with continuous ground planes under the BGA and microvia-in-pad if signal breakout forces fanout beyond the second row. Stitch the BGA's perimeter ground balls to inner ground planes with 4-8 vias each to provide low-impedance return paths for the 66 MHz external bus and Ethernet MII signals.
Do not assume the 66 MHz external bus can be sourced from any 66 MHz oscillator - the MPC853T's PLL configuration (MODCK pins) is set at reset and ties internal core clock to the external bus ratio. An incorrect MODCK setting can leave the core at 1x and bottleneck throughput. Always bring both MODCK and the EXTCLK pin to test points so that software engineers can recompile boot ROM images for the actual silicon revision - especially important for EOL parts that ship from mixed-lot inventory.
Compliance Information
RoHS/REACH status not confirmed in the verified web data - check NXP's product page or distributor lot date code documents before placing RoHS-restricted orders. AEC-Q100 not applicable (this is a communications MPU, not automotive-qualified).