MPC8347ZQADDB - PowerQUICC II Pro 266MHz SoC, 620-PBGA | NXP
MPN: MPC8347ZQADDB ✓ ActiveMPC8347ZQADDB Overview
A PowerQUICC II Pro processor is a system-on-chip (SoC) line from NXP (formerly Freescale) that integrates a PowerPC e300 core with communications-specific peripherals. It belongs to the broader category of communications processors -> embedded microprocessors -> microcontrollers and MPUs -> integrated circuits. PowerQUICC II Pro parts are descendants of the original PowerQUICC family and are commonly deployed in networking, storage, and industrial control equipment where deterministic communications performance is required.
Key specifications include a 266 MHz core frequency, 0.13 um process technology, multi-voltage rails at 1.8 V, 2.5 V, and 3.3 V, and a 620-pin plastic BGA package measuring 29 mm by 29 mm. The integrated peripheral set supports DDR1/DDR2 memory, a 32-bit PCI interface, one Gigabit Ethernet MAC, USB 2.0, and dedicated security acceleration hardware. Industrial temperature grade (0 to 105C) supports deployment in thermally challenging environments without active cooling.
From an architectural standpoint, the e300 core is a superscalar PowerPC implementation with separate 16 KB instruction and 16 KB data L1 caches, dual issue, and out-of-order execution. The communications engine (QUICC Engine) provides hardware-accelerated protocol termination for Ethernet, HDLC, and other serial protocols. The combination enables the MPC8347ZQADDB to perform both control-plane processing and data-plane protocol handling concurrently.
Typical applications include industrial Ethernet switches, secure routers, DSLAM line cards, network attached storage (NAS) controllers, and factory automation gateways. The integrated Gigabit Ethernet and PCI interfaces also suit the part for PCI-based peripheral cards and custom networking appliances. Industrial grade silicon ensures reliability in extended-temperature installations.
When designing with this part, allocate sufficient PCB area for the 29x29 mm BGA and use at least six PCB layers with continuous power and ground planes for signal integrity. Ensure junction temperature does not exceed rated limits under maximum load by using thermal vias beneath the exposed die pad and verifying the thermal management envelope with manufacturer-supplied thermal models.
This page synthesizes distributor pricing, package-aware drop-in alternatives (including MPC8343/MPC8347 family variants), and practical design notes that go beyond the manufacturer datasheet to support BOM decisions for new designs and legacy maintenance.
Drop-in alternatives for MPC8347ZQADDB — 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 MPC8347ZQADDB (same form factor and footprint) — differing in Core Architecture, Ethernet, Memory Controller, Operating Temperature, USB.
MPC8347EZQAGDDB
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
MPC8347CVVAGDDB
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
MPC8347ZQAGDDB
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
MPC8343CVRADDB
✅ Drop-InContact for price
View Datasheet →MPC8343EVRADDB
✅ Drop-InContact for price
View Datasheet →MPC8358CVRAGDGA
✅ Drop-In📋 Reference alternative (not in catalog)
MPC8347ZQADDB Maximum Ratings & Electrical Characteristics
| Manufacturer | NXP Semiconductors (formerly Freescale) |
| Series | PowerQUICC II Pro (MPC83xx) |
| Core Architecture | PowerPC e300 |
| Core Count | 1 |
| Data Bus Width | 32-bit |
| Maximum Core Frequency | 266 MHz |
| Process Technology | 0.13 um CMOS |
| Supply Voltage | 1.8 V / 2.5 V / 3.3 V |
| Package | 620-PBGA (29x29 mm) |
| Memory Controller | DDR1 / DDR2 |
| PCI Interface | 32-bit PCI |
| Ethernet | 1x Gigabit Ethernet |
| USB | USB 2.0 |
| Operating Temperature | 0C to +105C (industrial grade) |
| Mounting Type | Surface Mount (PBGA) |
MPC8347ZQADDB 620-pbga (29x29 mm) Pin Configuration Guide
Pin configuration for MPC8347ZQADDB (620-pbga (29x29 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 MPC8347ZQADDB.
Refer to the datasheet for full pin configuration.
Typical Applications
MPC8347ZQADDB is suitable for 6 applications: Industrial Ethernet Switch, Secure Router / VPN Gateway, DSLAM Line Card, Network Attached Storage (NAS) Controller, Industrial Automation Gateway, PCI-based Custom Peripheral Card.
Industrial Ethernet Switch
The MPC8347ZQADDB fits industrial Ethernet switch designs because its integrated Gigabit Ethernet MAC and QUICC Engine hardware-accelerated protocol termination offload packet processing from the e300 CPU. At 266 MHz the e300 core can run a real-time Linux or VxWorks control plane while the QUICC Engine handles line-rate Ethernet bridging, VLAN tagging, and IGMP snooping. The 0 to 105C industrial temperature grade supports deployment in factory-floor enclosures, and the 32-bit PCI bus enables expansion to additional PHYs or switch fabrics. Designers place the device on a six-layer PCB with continuous ground planes beneath the 29x29 mm BGA to maintain signal integrity on DDR2 and Gigabit Ethernet traces.
Recommended
Secure Router / VPN Gateway
The MPC8347ZQADDB is well suited for secure router platforms thanks to its integrated security acceleration on the MPC8347E family and its Gigabit Ethernet plus USB 2.0 peripheral set. At 266 MHz the e300 core handles routing table lookups and control-plane processing while dedicated hardware engines accelerate IPsec, SSL/TLS, and MACsec without CPU bottlenecks. The 620-PBGA footprint suits mid-density router line cards with adequate PCB area for high-speed SERDES routing. Power sequencing across 1.8 V, 2.5 V, and 3.3 V rails must follow NXP's reference design to keep DDR2 interface timing within JEDEC specifications during cold-start VPN handshake loads.
Recommended
DSLAM Line Card
The MPC8347ZQADDB works in DSLAM line cards because its e300 core combined with the QUICC Engine can terminate ATM, HDLC, and Ethernet protocols on a per-subscriber basis. Its 266 MHz CPU performs upstream queueing and traffic shaping while the hardware accelerator handles AAL2/AAL5 segmentation, leaving headroom for QoS policy enforcement. The DDR2 controller supports the cell-buffer memory required for upstream bursting on ADSL2+ and VDSL2 ports. The 620-PBGA package and 105C temperature rating suit the dense, warm line-card environment of central-office DSLAM shelves. JTAG and boundary-scan support simplify board-level bring-up during manufacturing test.
Recommended
Network Attached Storage (NAS) Controller
The MPC8347ZQADDB serves as a NAS controller because its DDR2 memory controller, Gigabit Ethernet, and PCI bus together enable connection to SATA disk controllers and 1 GbE network ports from a single chip. The e300 core runs embedded Linux with SMB/CIFS, NFS, and iSCSI target stacks while the QUICC Engine accelerates TCP/IP offload for sustained file-transfer throughput. Storage management features such as RAID coordination and SMART monitoring run on the 266 MHz CPU with adequate headroom for typical four-bay NAS enclosures. The 105C industrial temperature grade supports fanless enclosure designs for small-office NAS products.
Recommended
Industrial Automation Gateway
The MPC8347ZQADDB fits industrial automation gateways because it bridges fieldbus protocols (PROFIBUS, Modbus, CAN) on the PCI/serial side with Ethernet on the Gigabit Ethernet MAC, using the e300 core as a protocol-translation engine. The 0 to 105C industrial temperature rating supports deployment in cabinet-free factory environments and outdoor enclosures, while the wide voltage-rail tolerance (1.8 V, 2.5 V, 3.3 V) simplifies integration with industrial 24 V power systems via standard PMICs. Real-time determinism comes from the QUICC Engine's hardware-protocol timers running independently of the e300 core's interrupt latency.
Recommended
PCI-based Custom Peripheral Card
The MPC8347ZQADDB suits PCI peripheral cards in industrial PCs because its 32-bit PCI interface allows it to operate as an intelligent co-processor on a standard PCI bus. The e300 core handles custom real-time DSP-style processing or specialized I/O while the host CPU runs general-purpose workloads. The 620-PBGA package, while large, is manageable on full-length PCI cards and supports the full industrial temperature range required for medical imaging, test-and-measurement, and machine-vision cards. Designers can leverage NXP's PCI reference schematics to minimize bring-up time when prototyping a custom PCI endpoint.
Recommended
Recommended Products Summary
Engineering reference data for MPC8347ZQADDB — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | MPC8347EZQAGDDB | MPC8347CVVAGDDB | MPC8347ZQAGDDB | MPC8343CVRADDB | MPC8343EVRADDB | MPC8358CVRAGDGA |
|---|---|---|---|---|---|---|---|
| Package | 620-PBGA (29x29) | 620-PBGA (29x29) - same | 620-PBGA (29x29) - same | 620-PBGA (29x29) - same | 620-PBGA (29x29) - same | 620-PBGA (29x29) - same | 620-PBGA (29x29) - same |
| Brand | NXP Semiconductors | NXP Semiconductors - same | NXP Semiconductors - same | NXP Semiconductors - same | NXP Semiconductors - same | NXP Semiconductors - same | NXP Semiconductors - same |
| Core Frequency | 266 MHz | Up to 400 MHz | 266 MHz | 266 MHz | 266 MHz | 266 MHz | Up to 400 MHz |
| Security Engine | Not enabled (ZQADDB variant) | Enabled (E variant) | Not enabled | Not enabled | Not enabled | Enabled (E variant) | Enabled (E variant) |
| Gigabit Ethernet | 1x GbE | 1x GbE | 1x GbE | 1x GbE | Not integrated | Not integrated | 2x GbE |
| Memory Interface | DDR1/DDR2 | DDR1/DDR2 | DDR1/DDR2 | DDR1/DDR2 | DDR1/DDR2 | DDR1/DDR2 | DDR2 |
| Operating Temperature | 0C to +105C | 0C to +105C | -40C to +105C | 0C to +105C | 0C to +105C | -40C to +105C | 0C to +105C |
| PCI Interface | 32-bit PCI | 32-bit PCI | 32-bit PCI | 32-bit PCI | 32-bit PCI | 32-bit PCI | 32-bit PCI + PCI Express |
Key Differentiators
- Integrated Gigabit Ethernet plus QUICC Engine hardware protocol accelerator (vs MPC8343CVRADDB)
- Security engine option in same family for IPsec/SSL offload (vs MPC8347ZQAGDDB)
- Higher performance upgrade path to 400 MHz MPC8358 family in same package (vs MPC8358CVRAGDGA)
Design Notes
The 620-PBGA (29x29 mm) package demands at least a six-layer PCB with continuous ground and power planes directly beneath the BGA. Use 0.8 mm ball pitch escape routing with microvias (laser-drilled, 0.1 mm via pad) for inner rows; standard through-vias cannot escape the inner balls without dog-bone fanouts that consume excessive routing channels. Maintain 50 ohm single-ended impedance on DDR2 traces and 100 ohm differential on PCI clock pairs; place a reference plane at least 8 mils below the top microstrip layer for controlled impedance.
The e300 core running at 266 MHz with full peripheral activity draws approximately 1.5 to 2.0 W. Use NXP's thermal model document to estimate theta_JA on your specific PCB stack-up; a four-layer board typically yields theta_JA around 18 to 22 C/W while a six-layer board with thermal vias drops this to 12 to 15 C/W. For fanless industrial enclosures, place a 30 mm x 30 mm copper pour on the top layer directly under the package and stitch thermal vias on a 1.2 mm grid through to the bottom-layer ground plane.
Do not skip the DDR2 write-leveling and read-gate-training sequence during boot; the MPC8347ZQADDB's DDR2 controller requires firmware-driven calibration for proper operation at 266 MHz. Power-rail sequencing must follow NXP's documented order (1.8 V core before 2.5 V before 3.3 V) with monotonic ramp times; out-of-order ramp can trigger ESD protection latch-up. Ensure JTAG TRST is held low during power-up and that the 266 MHz system clock has less than 50 ppm frequency error to avoid USB and Ethernet timing-margin violations.
Compliance Information
Compliance status for the MPC8347ZQADDB not confirmed in verified distributor data; consult NXP product compliance documentation or request a RoHS/REACH declaration through the manufacturer's support channel. AEC-Q100 not applicable - this part is an industrial-grade communications SoC, not an automotive-qualified MCU.
