KMPC8343VRAGDB - PowerQUICC II Pro MPU, 400MHz, 620-HBGA | NXP
部品番号: KMPC8343VRAGDB ✓ 生産中| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $78.5 | $78.50 |
| 10 | $72 | $720.00 |
| 100 | $65.4 | $6,540.00 |
| 250 | $60.1 | $15,025.00 |
| 500 | $55.75 | $27,875.00 |
KMPC8343VRAGDB 概要
This device represents a legacy but still widely deployed communications processor. A microprocessor (MPU) in the MPC83xx class integrates a CPU core, memory controllers, and peripheral interfaces into a single System-on-Chip. The MPC8343E sits in the hierarchy: PowerPC e300 core -> MPC83xx family -> PowerQUICC II Pro -> MPU -> processor -> semiconductor. These MPUs were designed for routers, switches, and DSLAM line cards where deterministic packet processing and rich peripheral integration reduce bill-of-materials cost compared to discrete CPU-plus-ASIC designs.
Key features include the e300 PowerPC core running up to 400MHz, a 32-bit DDR/DDR2 memory controller with ECC, dual 10/100/1000 Mbps Ethernet MACs (GMII/RGMII), USB 2.0 Full/Low Speed host and device, local bus interface (8/16/32-bit) with up to 66MHz operation, programmable interrupt controller, and a security engine (SEC 2.0) supporting DES, 3DES, AES, RSA, and SHA-1/2 accelerators. The 'K' prefix indicates the part is intended for customers with existing NXP/Freescale agreements and that the silicon has been verified but is shipped without mandatory encryption export-controlled firmware. The 620-HBGA package exposes a large die with extensive peripheral pinout.
Typical applications include wired networking routers and switches, VoIP gateways, industrial control with Ethernet connectivity, storage NAS controllers, and legacy telecommunications line cards. The integrated ECC-capable memory controller and dual GbE make it particularly suited to mid-range networking line cards where the host CPU runs the control plane and a network processor or ASIC handles fast-path forwarding.
When designing with this device, ensure proper power sequencing for the 1.2V core, 2.5V/3.3V I/O rails, and PLL supply. The 620-HBGA package requires a multilayer PCB with microvia or via-in-pad technology for reliable assembly. JTAG boundary scan is supported for production test. The 'no encryption' firmware variant (W/O ENC suffix in distributor descriptions) means customers must implement cryptographic operations in software or add an external accelerator.
ドロップイン代替品: KMPC8343VRAGDB — 同一パッケージでピン互換。PCBの作り直しが必要な異なるパッケージの部品は除外されています。
このシリーズのバリエーション
同一シリーズでドロップイン互換のモデル: KMPC8343VRAGDB （同一形状・フットプリント） — 相違点: Ethernet, USB, Memory Controller, Operating Temperature, Package.
クイック比較ツール — 並列比較する代替部品を選択:
MPC8343VRAGDB
✅ ドロップイン✓ 在庫あり
$22.4 / 個
データシートを見る →MPC8343EVRAGDB
✅ ドロップイン✓ 在庫あり
$41 / 個
データシートを見る →MPC8343CVRAGDB
✅ ドロップイン✓ 在庫あり
$79.4 / 個
データシートを見る →MPC8347VRAGDB
✅ ドロップイン📋 参考代替品（カタログ未掲載）
MPC8349CVAGDB
✅ ドロップイン📋 参考代替品（カタログ未掲載）
KMPC8343VRAGDB 最大定格＆電気的特性
| Manufacturer | NXP Semiconductors (formerly Freescale) |
| Processor Type | MPC83xx PowerQUICC II Pro, 32-Bit |
| Core | PowerPC e300 |
| 最大クロック周波数 | 400 MHz |
| Core Voltage | 1.2 V |
| I/O Voltage | 2.5 V / 3.3 V |
| パッケージ | 620-BBGA Exposed Pad (PBGA, 29 x 29 mm) |
| 実装タイプ | Surface Mount |
| 動作温度 | 0C to +105C (commercial/ext. grade variants) |
| Memory Controller | 32-bit DDR/DDR2 with ECC |
| Ethernet | Dual 10/100/1000 Mbps MACs (GMII/RGMII/TBI) |
| USB | USB 2.0 Full/Low Speed (host + device) |
| Local Bus | 8/16/32-bit, up to 66 MHz |
| Security Engine | SEC 2.0 - DES, 3DES, AES, RSA, SHA-1/2 |
| Encryption Variant | No encryption firmware (W/O ENC) per distributor marking |
| Packaging | Tray |
| Lead Free Status | Lead Free |
| RoHS ステータス | Compliant |
| Sub-Brand | 8347 PBGA NO-PB W/O ENC (distributor designation) |
KMPC8343VRAGDB 620-bbga exposed pad (pbga, 29 x 29 mm) ピン配置ガイド
KMPC8343VRAGDB (620-bbga exposed pad (pbga, 29 x 29 mm) パッケージ) のピン配置。 このデジタルICには、GPIO、通信インターフェース (UART、SPI、I2C)、および電源ピンが含まれています。代替ピン機能と設定オプションについては、メーカーのデータシートを参照してください。組み込みシステム設計とPCBレイアウトに不可欠です。
詳細なピン配置データはありません: KMPC8343VRAGDB.
詳細は データシート をご参照ください。
主な用途
KMPC8343VRAGDB の用途: 6 件s: Wired Networking Router / Switch Control Plane, VoIP Gateway and IP-PBX Platforms, Industrial Control with Ethernet Connectivity, Network-Attached Storage (NAS) Controller, Telecommunications Line Card (Legacy TDM/IP Edge), Secure Network Appliance (with External SEC Companion).
Wired Networking Router / Switch Control Plane
The KMPC8343VRAGDB powers the control plane of enterprise routers and switches by combining the e300 400MHz PowerPC core with dual 10/100/1000 Ethernet MACs and a 32-bit ECC DDR controller on a single die. In a typical rack-mountable 24-port GbE switch, the host CPU runs routing daemons, SNMP, LLDP, and Spanning Tree while the GbE MACs feed management or uplink ports; the SEC 2.0 accelerator (in the -E variant) handles IPsec wire-speed encryption at line rate, reducing the burden on the e300 core. With this MPU, designers eliminate a separate management processor and crypto ASIC, reducing BOM cost and board area. Power sequencing across the 1.2V core and 2.5V/3.3V I/O rails follows NXP's hardware specifications to ensure deterministic boot.
おすすめ
VoIP Gateway and IP-PBX Platforms
The KMPC8343VRAGDB is well-suited to VoIP gateway designs where deterministic packet handling, USB 2.0 for codec modules, and dual GbE for WAN/LAN segmentation are required. The e300 core runs VxWorks or Linux with SIP/RTP stacks while the local bus interface (up to 66MHz, 32-bit) connects to a DSP or FPGA for voice codec acceleration. The 400MHz core comfortably handles 16+ simultaneous G.711/G.729 transcoding sessions without breaking the audio path. The 'W/O ENC' firmware variant is acceptable when TLS/SRTP keys are managed at a higher level or offloaded to a hardware security module; otherwise use the encryption-enabled MPC8343EVRAGDB.
おすすめ
Industrial Control with Ethernet Connectivity
Industrial PLCs and SCADA controllers benefit from the KMPC8343VRAGDB's integrated dual GbE (for ring redundancy protocols), deterministic local bus (for fast I/O scanning), and industrial-grade temperature range when ordered with the appropriate 'V' suffix designator. The PowerPC e300 core's deterministic interrupt latency and the device's mature Linux BSP support make it a reliable choice for Modbus-TCP, EtherNet/IP, and PROFINET edge nodes. Designers pair the MPU with a wide-input DC-DC front end and industrial GbE PHYs rated for -40C to +85C ambient. The 620-HBGA package supports the higher thermal dissipation expected in enclosed control cabinets.
おすすめ
Network-Attached Storage (NAS) Controller
The KMPC8343VRAGDB's dual GbE ports aggregate bandwidth for small-business NAS enclosures, where the e300 400MHz core runs file-system stacks (ext4, SMB/CIFS, NFS) and the local bus interfaces to SATA controllers or RAID-on-chip devices. The 32-bit DDR2 memory controller with ECC supports up to 2GB of attached DRAM, sufficient for moderate file-caching. USB 2.0 provides front-panel access and external backup targets. Reusing the same 620-HBGA footprint across the MPC8343 / MPC8347 family allows NAS OEMs to ship multiple SKUs at varied speed grades without redesigning the mainboard.
おすすめ
Telecommunications Line Card (Legacy TDM/IP Edge)
The KMPC8343VRAGDB serves as a control-plane CPU for legacy telecom line cards that bridge TDM (T1/E1) and IP networks, where carriers operate installed hardware for 15-20 year lifecycles. The PowerPC e300 core runs OSM and RAN management software, while the dual GbE and local bus interface to framer/framer-and-LIU ASICs. NXP's long-term supply commitment for the MPC8343 family (under product longevity program for select variants) makes it a low-risk choice when matched with appropriate lifecycle-support orders. The 'K' supply-chain prefix of this part denotes commercial terms that match telco procurement practices.
おすすめ
Secure Network Appliance (with External SEC Companion)
Designers building secure network appliances (VPN concentrators, firewall boxes, MFA gateways) where line-rate encryption is required can pair the KMPC8343VRAGDB (W/O ENC variant, lower cost) with an external companion security accelerator IC such as a MAXQ or dedicated AES/ChaCha engine. The e300 core runs the Linux firewall stack; the external engine handles wire-speed encryption, freeing the MPU for control-plane work. Alternatively, upgrading to the MPC8343EVRAGDB drop-in part number enables the on-chip SEC 2.0 engine. The shared 620-HBGA footprint allows the PCB to support either configuration via BOM options without re-layout.
おすすめ
おすすめ製品の概要
エンジニアリング参考データ: KMPC8343VRAGDB — 比較、設計ガイダンス、コンプライアンス情報。
選定ガイド
代替品との比較
| パラメータ | この製品 | MPC8343VRAGDB | MPC8343EVRAGDB | MPC8343CVRAGDB | MPC8347VRAGDB | MPC8349CVAGDB |
|---|---|---|---|---|---|---|
| Package | 620-HBGA (PBGA, 29 x 29 mm) | 620-HBGA (PBGA, 29x29) - same | 620-HBGA (PBGA, 29x29) - same | 620-HBGA (PBGA, 29x29) - same | 620-HBGA (PBGA, 29x29) - same | 620-HBGA (PBGA, 29x29) - same |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core Clock Frequency | 400 MHz | 400 MHz | 400 MHz | 333 MHz | 400 MHz | 400 MHz+ |
| Encryption (SEC 2.0) | Disabled (W/O ENC variant) | Disabled | Enabled | Disabled | Optional per variant | Optional per variant |
| Core Architecture | PowerPC e300, 32-bit | PowerPC e300, 32-bit | PowerPC e300, 32-bit | PowerPC e300, 32-bit | PowerPC e300, 32-bit | PowerPC e300, 32-bit |
| Memory Controller | 32-bit DDR/DDR2 with ECC | 32-bit DDR/DDR2 with ECC | 32-bit DDR/DDR2 with ECC | 32-bit DDR/DDR2 with ECC | 32-bit DDR/DDR2 with ECC | 32-bit/64-bit DDR2 with ECC |
| Ethernet MACs | Dual 10/100/1000 | Dual 10/100/1000 | Dual 10/100/1000 | Dual 10/100/1000 | Dual 10/100/1000 | Dual 10/100/1000 |
| USB 2.0 | Full/Low Speed host + device | Full/Low Speed host + device | Full/Low Speed host + device | Full/Low Speed host + device | Full/Low Speed host + device | Full/Low Speed host + device |
| RoHS / Lead Free | Compliant / Yes | Compliant / Yes | Compliant / Yes | Compliant / Yes | Compliant / Yes | Compliant / Yes |
主な差別化要因
- Identical die to MPC8343VRAGDB with NXP/Freescale 'K' supply-chain designation （vs MPC8343VRAGDB)
- Drop-in upgrade path to on-chip SEC 2.0 encryption （vs MPC8343EVRAGDB)
- Lower speed-grade (333MHz) drop-in for cost-sensitive designs （vs MPC8343CVRAGDB)
- Peripheral-rich variant within same 620-HBGA footprint （vs MPC8347VRAGDB)
設計ノート
The KMPC8343VRAGDB requires power sequencing across three rails: VDD (1.2V core), AVDD (2.5V/3.3V I/O), and PLL supply (filtered AVdd1 from the same source). Per the NXP MPC8343EA Hardware Specifications document, AVDD must be stable before VDD to prevent latch-up. Use a NXP-recommended power management IC (e.g., TPS65053-equivalent companion) with controlled ramp rates. Add bulk decoupling at each supply pin (1uF X7R + 0.1uF X7R) and high-frequency bypass (10nF) at the BGA underside. Estimated internal power dissipation is approximately 1.2W to 1.8W at full 400MHz load; verify with your specific workload. The exposed thermal pad (ePad) of the 620-HBGA must be soldered to a ground plane for thermal and electrical performance.
The 620-HBGA 29x29 mm package requires an 8-layer minimum PCB stack-up with microvia (8-mil laser via) or via-in-pad technology for the break-out region. Use an 18-mil or 20-mil BGA pitch land pattern that matches JEDEC MS-034 specifications. Differential pairs for GMII/RGMII Ethernet and USB 2.0 D+/D- must have 90-ohm differential impedance; route over a continuous reference plane with no splits. DDR/DDR2 signals require matched-length matching within +/-25 mils and 50-ohm single-ended impedance to the memory. JTAG TRST should be tied low through a 4.7k resistor at power-up per Boundary Scan Design Guidelines from NXP.
Estimated junction-to-ambient thermal resistance (theta_JA) of the 620-HBGA package is approximately 18-22 C/W with a JEDEC-compliant 4-layer test board and exposed pad soldered to a copper ground plane (per typical NXP HSBGA thermal models). At an ambient temperature of 70C with 1.5W internal dissipation, junction temperature rise is approximately 33C, leaving headroom for the 105C maximum. For enclosed industrial applications at 85C ambient, verify with the actual PCB thermal layout and consider a small heatsink or airflow. The ePad must not be left un-soldered as it both electrically grounds the substrate and thermally conducts heat into the inner copper layers.
Pitfall 1: The 'W/O ENC' variant disables SEC 2.0 firmware but the silicon block is still physically present - do not attempt to enable encryption in software or you may violate export-control regulations. Use the part variant that matches your cryptographic workload. Pitfall 2: JTAG TRST must be asserted at power-up or boundary scan will be disabled; a 4.7k pull-down is standard. Pitfall 3: DDR2 reset sequence requires a stable AVDD2 before initialisation; consult section 17 of the MPC8343EA hardware specifications for the recommended reset controller. Pitfall 4: The 'K' prefix indicates an NXP/Freescale commercial-distribution designation - the silicon is functionally identical to MPC8343VRAGDB, but for regulatory traceability confirm the supplier's documentation matches your BOM tooling.
コンプライアンス情報
RoHS compliant and lead-free per distributor listings (DigiKey, Mouser, Octopart). Reach, halogen-free, and AEC-Q100 status not explicitly stated in the provided data; AEC-Q100 is not applicable for communications infrastructure MPU, but this part is not specifically automotive-qualified. Conflict-minerals compliance assumed by NXP standard policy.
