KMPC8379CVRALG - PowerPC e300c4s MPU 667MHz 689-TEPBGA II | NXP
料号： KMPC8379CVRALG ✗ 停产| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $54.51 | $54.51 |
| 10 | $49.2 | $492.00 |
| 100 | $44.85 | $4,485.00 |
| 500 | $40.1 | $20,050.00 |
| 1,000 | $36.95 | $36,950.00 |
KMPC8379CVRALG 概述
A microprocessor (MPU) is the central processing unit of an embedded system, executing instruction fetch, decode, and execution cycles while coordinating peripherals through memory-mapped registers and on-chip buses. Within the broader hierarchy, the KMPC8379CVRALG sits as a Power Architecture CPU -> embedded MPU -> SoC-class networking processor, a class used widely in routers, switches, networked storage, and industrial control where deterministic performance and integrated peripherals reduce total system BOM. Unlike a microcontroller, an MPU typically relies on external DRAM and operates at higher clock rates with a memory management unit.
Key features of the KMPC8379CVRALG include the e300c4s core with dual-issue integer pipeline, hardware floating-point support, DDR/DDR2 memory controller with ECC, integrated Gigabit Ethernet MAC for high-throughput networking, and PCI Express and PCI interfaces for expansion. The 689-TEPBGA II package provides a generous 31x31 mm substrate, enabling dense breakout to multi-layer PCBs while supporting the high I/O count required for parallel memory and serial interface fan-out. The 90 nm CMOS process balances leakage and performance for thermally constrained embedded enclosures.
At 667 MHz the device delivers deterministic throughput for control-plane and data-plane tasks in wired networking and industrial automation. Its on-chip peripherals reduce the need for external glue logic, allowing single-board designs in space-limited networking appliances. The architecture is software-compatible with the wider PowerPC e300 ecosystem, preserving firmware investment across MPC83xx, MPC85xx, and QorIQ migrations.
Typical applications for the KMPC8379CVRALG include enterprise routers and switches, network attached storage (NAS), industrial gateways with dual Ethernet, and secure access controllers. When designing with this device, allocate adequate copper area beneath the TEPBGA to dissipate core power and follow NXP's design checklist for DDR2 signal integrity, including matched length traces, reference planes, and VTT termination for the address/command bus.
直接替换替代料： KMPC8379CVRALG ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： KMPC8379CVRALG （相同外形与封装尺寸） ——差异在于 Ethernet, Package, Process Technology, Series.
快速对比工具——选择替代料号进行并排对比：
MPC8379CVRAFG
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
MPC8377CVRALG
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$29.53 / 个
查看数据手册 →MPC8378CVRAG
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
KMPC8379CVRALG 最大额定值与电气特性
| Core Processor | PowerPC e300c4s |
| Number of Cores | 1 |
| Core Width | 32-bit |
| Clock Speed | 667 MHz |
| RAM Controllers | DDR, DDR2 |
| Ethernet | 10/100/1000 Mbps |
| Graphics Acceleration | No |
| Process Technology | 90 nm |
| 电源电压 | 1.8 V / 2.5 V / 3.3 V |
| 封装 | 689-TEPBGA II (31x31 mm) |
| Series | MPC83xx |
| 引脚数 | 689 |
| 安装类型 | Surface Mount |
| Encryption | Not enabled (W/O ENCR) |
| Lead-Free | Yes (NO-PB) |
| Part Status | Obsolete |
KMPC8379CVRALG 689-tepbga ii (31x31 mm) 引脚配置指南
KMPC8379CVRALG（689-tepbga ii (31x31 mm) 封装）的引脚配置。 该数字 IC 包含 GPIO、通信接口（UART、SPI、I2C）和电源引脚。请参阅制造商数据手册以了解复用引脚功能和配置选项。对嵌入式系统设计和 PCB 布局至关重要。
暂无详细引脚数据： KMPC8379CVRALG.
请参阅 数据手册 以查看完整引脚配置。
典型应用
KMPC8379CVRALG 适用于 6 应用s: Enterprise Router Control Plane, Network Attached Storage Controller, Industrial Ethernet Gateway, Secure Access Controller / Firewall, Wireless Base Station Controller, Single-Board Computer / Embedded Linux Platform.
Enterprise Router Control Plane
The KMPC8379CVRALG fits enterprise router control-plane workloads because its e300c4s core at 667 MHz provides deterministic integer and floating-point performance for routing-protocol processing, while the integrated Gigabit Ethernet MAC and DDR2 controller with ECC maintain packet table integrity under sustained load. Unlike a host CPU, this MPU runs control-plane firmware (Linux, VxWorks) with predictable interrupt latency, and its 689-TEPBGA II provides the I/O density required for multi-port Ethernet fan-out. Using this part reduces BOM by eliminating an external memory controller and software bridges.
推荐
Network Attached Storage Controller
NAS controller boards leverage the KMPC8379CVRALG because the e300c4s core runs file-system stacks (ext4, XFS) and RAID managers at 667 MHz, while the dual Gigabit Ethernet supports link aggregation to clients. The integrated DDR2 with ECC ensures reliable write-back caching, and the PCI Express / PCI controllers host SATA or SAS controllers for multi-drive enclosures. The 689-ball TEPBGA provides the routing area needed for multi-port storage fan-out, and is software-compatible with NXP's later QorIQ NAS reference designs for customers planning a migration.
推荐
Industrial Ethernet Gateway
Industrial gateways (PROFINET, EtherNet/IP) use the KMPC8379CVRALG because the 667 MHz e300c4s with hardware floating-point executes real-time protocol conversions deterministically, and the 1.8 V / 2.5 V / 3.3 V supply rails simplify power design alongside industrial 24 V-to-DC backplanes. The dual Gigabit Ethernet supports two physically separated subnets (plant vs. management), and the 689-TEPBGA II withstands extended industrial temperature grades with proper PCB thermal design. The MPU runs RTOS or Linux PREEMPT-RT to guarantee cycle-accurate handling.
推荐
Secure Access Controller / Firewall
Access controllers and SMB firewalls apply the KMPC8379CVRALG when encryption is handled in software (the K-prefix variant ships without the SEC engine), reserving the 667 MHz core for packet classification, connection tracking, and policy enforcement. The integrated DDR2 with ECC protects rule tables and connection state under sustained denial-of-service pressure, and the BGA package's high I/O count allows direct attachment of multiple Gigabit PHYs. Customers later add the encryption-enabled -AFG suffix variant for hardware-accelerated IPsec.
推荐
Wireless Base Station Controller
Wireless base-station controllers use the KMPC8379CVRALG because the e300c4s at 667 MHz executes MAC-layer scheduling, RLC, and OAM protocol stacks with deterministic latency, while the DDR2 controller with ECC supports high-bandwidth baseband data buffering. The integrated Ethernet MAC links to baseband and backhaul interfaces via external PHYs, and the 689-TEPBGA II's wide pin pitch improves signal integrity across multi-layer boards. Software compatibility with QorIQ P1 simplifies migration when a design is upgraded to LTE or 5G small-cell workloads.
推荐
Single-Board Computer / Embedded Linux Platform
Single-board computers and Linux development platforms use the KMPC8379CVRALG because the e300c4s supports standard mainstream Linux (2.6.18 LTS through 4.x PowerPC kernels), and the 667 MHz speed is sufficient for compute headroom in instrumentation, test, and Linux-based control. The DDR2 controller maintains stable boot-time behaviour, and PCI/PCIe expansion enables modular I/O daughter cards. The 689-TEPBGA II is typically mounted on a development carrier board with debug (JTAG) and serial console headers for embedded engineers.
推荐
推荐产品汇总
工程参考数据： KMPC8379CVRALG ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | MPC8379CVRAFG | MPC8377CVRALG | MPC8378CVRAG |
|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 689-TEPBGA II (31x31) | 689-TEPBGA II (31x31) - same | 689-TEPBGA II (31x31) - same | 689-TEPBGA II (31x31) - same |
| Core | PowerPC e300c4s | PowerPC e300c4s | PowerPC e300c4s | PowerPC e300c4s |
| Clock Speed | 667 MHz | 667 MHz | 533 MHz | 400 MHz |
| Encryption (SEC) | Not enabled | Enabled | Not enabled | Not enabled |
| RAM Controller | DDR / DDR2 | DDR / DDR2 | DDR / DDR2 | DDR / DDR2 |
| Ethernet | 10/100/1000 Mbps | 10/100/1000 Mbps | 10/100/1000 Mbps | 10/100/1000 Mbps |
| Process | 90 nm | 90 nm | 90 nm | 90 nm |
| Lifecycle | Obsolete | Obsolete | Obsolete | Obsolete |
关键差异点
- Encryption-disabled (W/O ENCR) for software-only security （对比 MPC8379CVRAFG)
- Maximum 667 MHz core in this BGA generation （对比 MPC8377CVRALG)
- Integrated Gigabit Ethernet and DDR2 controller （对比 Discrete MPU + external bridge)
设计说明
Estimated: at typical 1.0 V core and 2.0 W at 667 MHz, the 689-TEPBGA II requires a multilayer PCB with a continuous ground plane beneath the die footprint, plus thermal vias to the opposite side copper pour. NXP recommends an exposed copper area at least equal to the die footprint to keep junction temperature rise below 20 C above ambient in 65 C environments; design-in should follow NXP AN3222 thermal characterization.
DDR2 signals must use matched-length traces within 25 mil tolerance and a continuous 1.8 V VTT termination on the address/command bus. Series 33 ohm resistors on clock, DQ, and DQS are recommended per NXP MPC8379 layout guidelines; the 689-ball BGA escapes should break out on inner microstrip layers with via-in-pad where the PCB fabricator permits, to maintain characteristic impedance around 50 ohm single-ended.
Do not confuse the obsolete KMPC8379CVRALG (without SEC engine) with the -AFG variant (AES/SEC enabled); firmware that enables SEC drivers must verify the option bit. Also ensure the boot ROM configures POR values for DDR2 versus DDR, because the part defaults are designed for 1.8 V DDR2 memory in most reference designs but legacy designs may have 2.5 V DDR.
合规信息
Lead-free (NO-PB) per NXP part designation. RoHS compliant based on NXP product page language. REACH and halogen-free status not published in the available web data and marked 'unknown'.
