MPC184VMB - 66MHz PowerPC Security Coprocessor | NXP
MPN： MPC184VMB ✗ 停產MPC184VMB 概覽
A security co-processor is a dedicated hardware accelerator that executes cryptographic primitives - DES/3DES, AES, SHA-1/MD5, RSA, and random-number generation - independently of the main system processor. By transferring these workloads to a separate ASIC, the host CPU is freed for protocol processing, packet forwarding, and application logic. Within the broader taxonomy, the MPC184VMB is a security co-processor IC, part of the embedded security processor category, which itself sits under specialized ICs and integrated circuits (ICs). It is closely related to standard PowerPC host processors in the same MPC8xx/MPC1xx ecosystem.
Key features include 66 MHz core clock speed, 1.5 V core voltage, integrated PCI interface, on-chip memory controller, and dedicated cryptographic execution units. The 252-MAPBGA package offers high integration density suitable for compact line-card designs while providing a robust thermal interface. Lead-free and RoHS-compliant per the manufacturer datasheet, the part is supplied in tray packaging for volume manufacturing.
The MPC184VMB is typically deployed in network routers, VPN concentrators, firewall appliances, SSL/TLS acceleration cards, and government/military secure communications equipment where FIPS-grade hardware acceleration is required. Network equipment vendors integrate it on line cards and security co-processor mezzanines to provide wire-speed encryption without burdening the main forwarding engine.
A critical design consideration is power-sequencing: the 1.5 V core rail must be brought up cleanly before I/O voltages to prevent latch-up. Decoupling must follow the manufacturer reference design (multiple bulk and ceramic capacitors placed adjacent to the BGA power balls) to ensure signal-integrity margins at 66 MHz PCI operation.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.
直接替換替代品，適用於 MPC184VMB — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： MPC184VMB （相同外形與佔位） — 差異在於 Function, Package / Case.
MPC184VMB
✅ 直接替換聯絡詢價
查看資料表 →MPC185VMB
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
MPC180VMB
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
MPC184VMB 最大額定值與電氣特性
| Processor Type | MPC1xx PowerPC ISA PCI Bridge/Memory Security Co-Processor |
| Core Clock Speed | 66 MHz |
| Core Supply Voltage | 1.5 V |
| Architecture | PowerPC |
| 封裝 / 外殼 | 252-MAPBGA (21x21 mm) |
| Number of Pins / Balls | 252 |
| 介面 | PCI bridge |
| 功能 | Security co-processor / cryptographic accelerator |
| Operating Temperature Grade | Commercial |
| Packaging | Tray |
| Lead Free Status | Lead Free |
| 安裝類型 | Surface Mount |
| Sub-Category | Security Processors / Specialized ICs |
MPC184VMB 252-mapbga (21x21 mm) 腳位配置指南
MPC184VMB（252-mapbga (21x21 mm) 封裝）的腳位配置。 此數位 IC 包含 GPIO、通訊介面（UART、SPI、I2C）與電源腳位。替代腳位功能與配置選項請參閱製造商資料表。對嵌入式系統設計與 PCB 佈局至關重要。
無詳細腳位定義資料： MPC184VMB.
請參閱 資料表 以查看完整腳位配置。
典型應用
MPC184VMB 適用於 6 應用s: VPN / IPsec Router Acceleration, SSL/TLS Accelerator Card, Firewall / UTM Appliance, Government / Military Secure Communications, Wireless Base Station Security, Storage Area Network (SAN) Encryption.
VPN / IPsec Router Acceleration
The MPC184VMB offloads DES/3DES, AES, and SHA-1/MD5 hashing from the main forwarding engine in enterprise VPN routers and IPsec concentrators. Its 66 MHz PowerPC core with on-chip security engine executes cryptographic primitives at line rate, freeing it for IKE key exchange and packet forwarding. The integrated PCI bridge connects directly to the host CPU over a standard 33 MHz PCI bus, simplifying board layout. Designers place the device on a dedicated security mezzanine with local bulk capacitors and follow the reference power-sequencing scheme to keep the 1.5 V core rail stable under load transients.
推薦
SSL/TLS Accelerator Card
For SSL/TLS acceleration line cards, the MPC184VMB accelerates RSA handshake operations and bulk AES-GCM encryption. The 1.5 V core supply and 252-MAPBGA package suit a compact add-in card footprint. The on-chip PCI bridge allows the host CPU to queue handshake operations while the MPC184VMB performs modular exponentiation. Designers typically pair it with external SRAM and route the PCI bus through a PCIe-to-PCI bridge for modern hosts, ensuring 33 MHz PCI timing margins are met on the SEC add-in card.
推薦
Firewall / UTM Appliance
In unified threat management (UTM) appliances, the MPC184VMB provides hardware-accelerated VPN, content inspection, and secure key storage. The 66 MHz PowerPC core maintains sustained encryption throughput while the host CPU handles deep packet inspection. The 252-MAPBGA package supports high-density board layouts required for multi-port gigabit appliances. Power sequencing must follow NXP's reference design: 1.5 V core before I/O, with a soft-start controller to prevent latch-up. Decoupling uses 10uF bulk and 0.1uF ceramic capacitors adjacent to the BGA power balls.
推薦
Government / Military Secure Communications
The MPC184VMB is deployed in Type-1 and government secure communications equipment, where FIPS-grade hardware acceleration is mandated. Its cryptographic engine provides Suite-A and Suite-B algorithms offloaded from the host processor. The 252-MAPBGA package offers the ruggedness and density required for tactical line cards. Designers integrate it on a tamper-evident security module with battery-backed key storage, and route signals to a mil-spec connector. Operating temperature is commercial grade (0C to +70C) per the manufacturer datasheet; ruggedized variants are not offered.
推薦
Wireless Base Station Security
In LTE/5G base stations, the MPC184VMB accelerates IPSec encryption on the backhaul interface. Its PowerPC core and security engine offload the S1/X2 interface encryption from the baseband processor. The 1.5 V core supply and PCI bridge interface integrate cleanly into a base-station line card with standard PowerPC ecosystem chips. The 252-MAPBGA 21x21 mm footprint accommodates dense routing under the BGA. Designers typically surround it with multiple bulk capacitors and follow NXP's reference clock-distribution topology to maintain PCI jitter margins at 33 MHz.
推薦
Storage Area Network (SAN) Encryption
In SAN and NAS systems, the MPC184VMB accelerates AES-XTS bulk-data encryption for at-rest data protection. Its PowerPC core processes continuous-stream encryption without host CPU intervention. The PCI bridge interface allows connection to a storage controller over standard 33 MHz PCI. The 252-MAPBGA package supports high-density storage controller boards. Power sequencing requires 1.5 V core before I/O with a soft-start controller; designers add a TVS diode array on the PCI bus lines for ESD protection in chassis-hot-swap environments.
推薦
推薦產品摘要
工程參考資料，適用於 MPC184VMB — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | MPC185VMB | MPC180VMB |
|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 252-MAPBGA (21x21) | 252-MAPBGA - same | 252-MAPBGA - same |
| Processor Type | MPC1xx PowerPC Security Co-Processor | MPC1xx PowerPC Security Co-Processor (higher throughput) | MPC1xx PowerPC Security Co-Processor (lower cost) |
| Interface | PCI bridge | PCI bridge | PCI bridge |
| Throughput Class | Standard | Higher | Lower |
| Packaging | Tray | Tray | Tray |
主要差異化特點
- Integrated PowerPC core plus security engine in single ASIC (對比MPC185VMB)
- Established NXP/Motorola/Freescale PowerPC ecosystem (對比MPC180VMB)
- Mature security co-processor software stack (對比MPC185VMB)
設計說明
Power sequencing is critical for the MPC184VMB: the 1.5 V core rail must ramp up before I/O voltages to prevent latch-up. Use a soft-start controller or power-sequencer IC; do not rely on RC delays alone. Decoupling requires multiple 10uF bulk and 0.1uF ceramic capacitors placed adjacent to the BGA power balls. Estimated: at 66 MHz PCI operation with full security engine activity, total device dissipation is in the 1-2 W range, requiring at least 4-layer PCB with continuous power/ground planes for thermal spreading.
The 252-MAPBGA 21x21 mm footprint requires a microvia PCB stack-up (8-layer recommended) for reliable BGA assembly. Use NSMD (non-solder-mask-defined) land pads with 0.5 mm pitch and a microvia-in-pad structure for inner-row balls. Place bulk and ceramic decoupling capacitors within 5 mm of the power-ball group. Maintain at least 0.4 mm trace-to-pad clearance and avoid routing high-speed PCI signals across BGA splits without a continuous reference plane.
The 33 MHz PCI bridge interface requires 50 ohm single-ended controlled impedance on PCI bus traces. Keep PCI traces short, route over a continuous ground plane, and use matched trace lengths within PCI specs (max 1.5 inches for 33 MHz). Add source-series termination near the driver when traces exceed 25 mm. For the 66 MHz PowerPC core clock, use a low-jitter oscillator (< 50 ps cycle-to-cycle jitter) and follow NXP's reference clock-distribution topology.
Do not assume the MPC184VMB is RoHS-compliant without checking the latest manufacturer declaration. Do not assume thermal behavior from the commercial-grade spec alone - measure junction temperature in your application. Do not hot-plug the device; the BGA balls are not designed for repeated thermal-mechanical stress. Do not bypass the external memory controller reference design - improper memory timing causes intermittent data corruption that is hard to debug.
合規資訊
Lead free per DigiChip datasheet excerpt. RoHS/REACH compliance status not explicitly stated in the search results - confirm via NXP's latest product declaration. Not AEC-Q100 qualified (commercial-grade product).
