MPC184VMB - 66MHz PowerPC Security Coprocessor | NXP
料号： MPC184VMB ✗ 停产| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $185 | $185.00 |
| 10 | $165 | $1,650.00 |
| 100 | $142 | $14,200.00 |
| 500 | $122 | $61,000.00 |
| 1,000 | $105 | $105,000.00 |
MPC184VMB 概述
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.
直接替换替代料： MPC184VMB ——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： MPC184VMB （相同外形与封装尺寸） ——差异在于 Function, Package / Case.
快速对比工具——选择替代料号进行并排对比：
MPC184VMB
✅ 直接替换✓ 有现货
$105 / 个
查看数据手册 →MPC185VMB
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
MPC180VMB
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
MPC184VMB 最大额定值与电气特性
| Processor Type | MPC1xx PowerPC ISA PCI Bridge/Memory Security Co-Processor |
| Core Clock Speed | 66 MHz |
| Core Supply Voltage | 1.5 V |
| Architecture | PowerPC |
| 封装 / 外壳 | 252-MAPBGA (21x21 mm) |
| Number of Pins / Balls | 252 |
| 接口 | PCI bridge |
| 功能 | Security co-processor / cryptographic accelerator |
| Operating Temperature Grade | Commercial |
| Packaging | Tray |
| Lead Free Status | Lead Free |
| 安装类型 | Surface Mount |
| Sub-Category | Security Processors / Specialized ICs |
MPC184VMB 252-mapbga (21x21 mm) 引脚配置指南
MPC184VMB（252-mapbga (21x21 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： MPC184VMB.
请参阅 数据手册 以查看完整引脚配置。
典型应用
MPC184VMB 适用于 6 应用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.
推荐
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.
推荐
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.
推荐
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.
推荐
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.
推荐
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.
推荐
推荐产品汇总
工程参考数据： MPC184VMB ——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 | 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 |
关键差异点
- Integrated PowerPC core plus security engine in single ASIC （对比 MPC185VMB)
- Established NXP/Motorola/Freescale PowerPC ecosystem （对比 MPC180VMB)
- Mature security co-processor software stack （对比 MPC185VMB)
设计说明
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.
合规信息
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).
