MPC184VFB - PowerPC Security Coprocessor, 66MHz | NXP
部品番号: MPC184VFB ✗ 生産終了| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $48.5 | $48.50 |
| 10 | $42 | $420.00 |
| 100 | $36.5 | $3,650.00 |
| 500 | $33.2 | $16,600.00 |
| 1,000 | $30.75 | $30,750.00 |
MPC184VFB 概要
What is a security coprocessor? A security coprocessor is a dedicated hardware accelerator that executes cryptographic primitives (symmetric ciphers, hash functions, public-key operations) at wire speed, far faster than a software implementation on a general-purpose CPU. The MPC184VFB belongs to the broader taxonomy: security coprocessor -> cryptography accelerator -> peripheral / specialized IC -> semiconductor. It is typically paired with a host PowerPC or MIPS processor that delegates cryptographic tasks via a memory-mapped or DMA interface, making it foundational for IPsec, SSL/TLS, and DRM pipelines.
Key features include hardware-accelerated AES (128/192/256-bit), DES/3DES, SHA-1/256 and MD5 hashing, true random number generation (TRNG), and big-integer arithmetic for RSA and Diffie-Hellman key exchange. The device exposes a memory-mapped register interface plus scatter/gather DMA channels for high-throughput packet processing. It targets commercial temperature operation and integrates seamlessly with the Freescale PowerQUICC and QorIQ families of communications processors that share the same ecosystem.
Architecturally, the MPC184VFB embeds a dedicated crypto engine with parallel datapaths for symmetric and asymmetric algorithms, an on-chip TRNG, and DMA engines that offload data movement from the host. It belongs to NXP's MPC18x PowerPC coprocessor family and supports both little-endian and big-endian host configurations. The 1.5V core plus I/O rails support operation across the 66MHz bus interface.
Typical applications include IPsec VPN gateways, SSL/TLS accelerators in web servers and load balancers, secure boot and firmware verification in embedded routers, hardware security modules (HSM), and DRM-protected media streaming appliances. The combination of bulk crypto throughput and TRNG makes it a long-standing building block for enterprise security appliances.
When designing with the MPC184VFB, allocate sufficient PCB area for the 252-ball MAPBGA package, route the host bus with controlled-impedance traces, and ensure adequate decoupling for both the 1.5V core rail and the I/O rail. The host driver stack must initialize the cascade of DMA channels and crypto channels before traffic is admitted to minimize session setup latency.
This page synthesizes distributor pricing, sparse drop-in availability from authorized and aftermarket channels, and practical design notes for embedding the MPC184VFB in a security appliance - information that goes beyond the manufacturer datasheet alone.
ドロップイン代替品: MPC184VFB — 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: MPC184VFB （同一形状・フットプリント） — 相違点: Function, Package / Case.
クイック比較ツール — 並列比較する代替部品を選択:
MPC184VMB
✅ ドロップイン✓ 在庫あり
$105 / 個
データシートを見る →MPC185VFB
✅ ドロップイン📋 参考代替品（カタログ未掲載）
MPC190VFB
✅ ドロップイン📋 参考代替品（カタログ未掲載）
MPC184VFB 最大定格＆電気的特性
| Part Number | MPC184VFB |
| Manufacturer | NXP Semiconductors (formerly Freescale) |
| 機能 | Security coprocessor / cryptography accelerator |
| Processor Family | MPC1xx PowerPC ISA |
| Bridge Type | PCI Bridge / Memory Controller |
| Operating Frequency | 66 MHz |
| Core Voltage | 1.5 V |
| パッケージ / ケース | 252-MAPBGA |
| Terminal Form | Ball |
| Number of Terminals | 252 |
| Package Code | BGA |
| Package Shape | Square |
| Temperature Grade | Commercial |
| 実装タイプ | Surface Mount |
MPC184VFB square ピン配置ガイド
MPC184VFB (square 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: MPC184VFB.
詳細は データシート をご参照ください。
主な用途
MPC184VFB の用途: 6 件s: IPsec VPN Gateway Acceleration, SSL/TLS Accelerator in Web Appliances, Secure Boot and Firmware Verification, Hardware Security Module (HSM) Building Block, DRM-Protected Media Streaming, Industrial Secure Communications Gateway.
IPsec VPN Gateway Acceleration
The MPC184VFB accelerates bulk AES, 3DES, and SHA-1/SHA-256 operations for IPsec VPN gateways, where wire-rate crypto is essential. With a 66MHz host interface and a 1.5V core, the coprocessor offloads ESP/Auth header processing from the host PowerQUICC I/II/III CPU, allowing the gateway to sustain hundreds of Mbps of encrypted traffic. Designers typically place the MPC184VFB on the local bus next to the host processor, with a shared DMA channel to push packet descriptors between them. Compared to a software-only IPsec pipeline, the coprocessor roughly halves CPU utilization and reduces per-packet latency by an order of magnitude, freeing CPU cycles for routing and QoS.
おすすめ
SSL/TLS Accelerator in Web Appliances
In front-end web servers, load balancers, and reverse proxies, the MPC184VFB accelerates RSA handshakes and AES bulk encryption for SSL/TLS sessions. The 252-MAPBGA package fits cleanly onto high-density server motherboards, and the coprocessor's true random number generator supports the session-key entropy requirements of TLS 1.0/1.1 deployments of the era. Designers wire it into the host via the memory-mapped local bus, register the device under a crypto offload driver (such as the OpenCrypto framework), and let the kernel dispatch handshake operations to it. The result is dramatic improvement in transactions-per-second compared with a software TLS stack running on the host CPU alone.
おすすめ
Secure Boot and Firmware Verification
Embedded routers, gateways, and set-top boxes rely on the MPC184VFB's RSA and SHA engines to verify signed firmware images at boot time. The coprocessor's public-key accelerator validates the manufacturer's code-signing certificate chain before handoff to the host bootloader, while the SHA engine computes the image digest in a single pass. The 1.5V core plus industrial temperature range support deployment in outdoor and factory-floor enclosures. Designers typically preload the root public key into the coprocessor's non-volatile key store and chain it to a TPM-style external trust anchor, producing a hardware-rooted secure-boot sequence.
おすすめ
Hardware Security Module (HSM) Building Block
Although not certified as a standalone HSM, the MPC184VFB has been used as a crypto engine inside appliance-class HSMs that perform key custody, signing, and PIN translation. The integrated true random number generator supports high-quality key generation, while the AES, RSA, and ECDH accelerators cover the mainstream algorithm set required for payment and identity workloads. The 252-MAPBGA device is mounted on an appliance mainboard with optional tamper-detection sensors and a tamper-responsive enclosure, providing FIPS-style physical protection around the chip. Hosts connect via the local PCI bridge for command transport.
おすすめ
DRM-Protected Media Streaming
Set-top boxes, smart TVs, and media gateways use the MPC184VFB to decrypt premium content protected by systems such as DTCP-IP and HDCP, where bulk AES and 3DES operations are required at the network edge. The coprocessor accelerates license handling, key exchange, and payload decryption while leaving MPEG/H.264 demuxing to the host SoC. The 252-MAPBGA footprint integrates into space-constrained consumer boards without sacrificing ball-pitch routability. Pairing with a host such as an MPC8245 keeps the bill of materials lean while still meeting content-owner cryptographic throughput requirements.
おすすめ
Industrial Secure Communications Gateway
Industrial gateways for SCADA, factory automation, and smart-grid endpoints use the MPC184VFB to authenticate and encrypt Modbus/TCP, DNP3, and IEC 61850 traffic. The commercial temperature grade plus long-term supply through authorized aftermarket channels makes the part attractive for utilities needing multi-decade field deployments. Integrated SHA-256 and RSA engines keep firmware updates verifiable, while the on-chip TRNG seeds session keys for OT-layer tunnels. Engineers mount the 252-MAPBGA on a wide-temperature mainboard and route the host bus through controlled-impedance traces for noisy industrial environments.
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: MPC184VFB — 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 | MPC184VMB | MPC185VFB | MPC190VFB |
|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 252-MAPBGA (VFB) | 252-BGA (VMB) - same die, slightly different outline | 252-MAPBGA (VFB) - same | 252-MAPBGA (VFB) - same |
| Function | PowerPC security coprocessor (MPC184) | MPC184 (same die) | MPC185 next-gen coprocessor | MPC190 security processor |
| AES-128/192/256 acceleration | Yes | Yes | Yes | Yes |
| Public-key acceleration | RSA / DH | RSA / DH (same die) | RSA / DH / ECC | RSA / DH / ECC |
主な差別化要因
- Same die with package-mechanical variant （vs MPC184VMB)
- Algorithm breadth covers classic VPN/TLS suites （vs MPC185VFB)
- On-chip true random number generator （vs MPC190VFB)
設計ノート
Estimated: at 1.5V core and typical 750mW dissipation, the 252-MAPBGA junction temperature rises ~30C above ambient with a 4-layer PCB and standard thermal via array. For sealed enclosures with no airflow, designers should provide a thermal pad connection to inner copper planes through at least 9 ground-bonded thermal vias under the die. Always refer to the manufacturer package thermal characteristics before finalizing the mechanical design - the values shown here are estimates derived from generic MAPBGA thermal data, not datasheet figures.
Route the 66MHz host bus with characteristic impedance matched to the MPC184VFB and the companion PowerQUICC host; keep matched-length tolerance under 100 mil on the address and data strobe groups. Place bulk and decoupling capacitors (typically 100uF + 0.1uF per power pin group) within 200 mil of the BGA balls. Provide a guard ring around the package periphery tied to ground for EMI suppression, and avoid routing high-speed traces beneath the BGA - use only ground-fill in inner layers to maintain return-path integrity.
Do not confuse the VFB (252-MAPBGA) variant with the VMB (252-BGA) variant when ordering or laying out the PCB - the land patterns differ even though the pin count matches. Verify against the full manufacturer datasheet before committing to a layout. Also confirm the host-endianness (big vs little) configuration strap settings because mis-strapped endpoints result in silent crypto corruption that's hard to diagnose downstream.
コンプライアンス情報
RoHS, REACH, lead-free, and halogen-free status were not present in the verified source data; consult the manufacturer datasheet lead-finish section for binding compliance statements. AEC-Q100 does not apply because this is a commercial-grade security coprocessor, not an automotive device.
