APA450-PQ208I - 450K-Gate CMOS FPGA | Microchip
料号： APA450-PQ208I ✗ 停产APA450-PQ208I 概述
A field-programmable gate array, or FPGA, is a programmable semiconductor in which digital logic functions are defined through a configuration file. Within the product hierarchy, an FPGA is a programmable logic device and a semiconductor. The APA450 series belongs to Microchip Technology's ProASICPLUS family, which combines flash-based nonvolatile configuration with configurable logic, I/O, clocking, and embedded memory resources.
The APA450-PQ208I provides 450,000 equivalent gates organized as 12,288 logic cells and supports operation to 180 MHz. Its 208-terminal PQFP package exposes a large set of user I/O for external interfaces, while the 0.50 mm pitch supports conventional multilayer PCB assembly. The device is identified as CMOS technology and is listed with a 0°C to 70°C operating-temperature range.
The ProASICPLUS architecture is designed for programmable logic systems where nonvolatile configuration, field reprogrammability, and integration can reduce the need for separate memory devices. Its 450,000-equivalent-gate capacity is substantially above small CPLDs and suitable for control logic, interface bridging, data acquisition, industrial control, and embedded communications. The 180 MHz operating-frequency figure provides a clear basis for assessing clock-domain requirements during system design.
Typical applications include industrial automation, communications equipment, test and measurement systems, embedded control, PCI interfacing, and general-purpose digital signal acquisition. The device's nonvolatile configuration is particularly useful where equipment must retain its logic after power removal and where field updates are beneficial for maintenance or product differentiation.
PCB design should reserve the complete 208-terminal footprint, power and ground connections, configuration requirements, and all required I/O assignments before release to layout. Because the APA450-PQ208I is a high-pin-count PQFP, lead-to-lead and thermal considerations are important. Signal-integrity and power-integrity analysis should focus on clocks, high-speed buses, supply return paths, and clean separation between sensitive and noisy routes.
This page organizes the APA450-PQ208I specifications, verified same-footprint alternatives, procurement information, and practical implementation guidance into one engineering reference. It supports faster part evaluation while directing readers to the manufacturer documentation for programming, pin assignment, timing, configuration, and PCB details.
直接替换替代料： APA450-PQ208I ——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： APA450-PQ208I （相同外形与封装尺寸） ——差异在于 Device Type, Package Type.
APA450-PQ208
✅ 直接替换联系询价
查看数据手册 →APA450-PQG208
✅ 直接替换📋 参考替代料（不在目录中）
APA450-PQG208I
✅ 直接替换📋 参考替代料（不在目录中）
APA450-PQ208I 最大额定值与电气特性
| Device Type | Field Programmable Gate Array (FPGA) |
| Product Family | ProASICPLUS |
| Equivalent System Gates | 450,000 gates |
| Logic Cells | 12,288 cells |
| 最大时钟频率 | 180 MHz |
| Process Technology | CMOS |
| Package Type | 208-terminal PQFP |
| Terminal Count | 208 terminals |
| Terminal Pitch | 0.50 mm |
| 工作温度 | 0°C to 70°C |
| Configuration Memory | Nonvolatile flash technology |
| Reprogrammability | Field-programmable |
| 安装类型 | Surface mount |
| RoHS 状态 | RoHS compliant |
APA450-PQ208I 208-terminal pqfp 引脚配置指南
APA450-PQ208I（208-terminal pqfp 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： APA450-PQ208I.
请参阅 数据手册 以查看完整引脚配置。
典型应用
APA450-PQ208I 适用于 6 应用s: Industrial Automation Control, Communications Interface Bridging, PCI-Compatible Interface Logic, Data Acquisition and Signal Conditioning, Test and Measurement Equipment, Embedded Control and Sensor Hubs.
Industrial Automation Control
The APA450-PQ208I fits centralized industrial controllers that combine sequencing, parallel I/O, communications, and data acquisition in one programmable device. Its 12,288 logic cells and 450,000 equivalent gates provide substantially more design capacity than small CPLDs, while the listed 0°C to 70°C range suits industrial-temperature equipment. The 180 MHz maximum frequency supports demanding control and status-handling logic, and flash-based nonvolatile configuration retains the design after power removal. Use the 208-terminal PQFP to distribute interface signals across external sensors, actuators, and communications transceivers, while validating timing closure and power integrity on the assembled board.
推荐
Communications Interface Bridging
The APA450-PQ208I can bridge parallel and serial interfaces in communications equipment where protocol timing, deterministic control, and nonvolatile configuration are important. With 12,288 logic cells, 450,000 equivalent gates, and operation up to 180 MHz, the device can implement framing logic, buffers, state machines, and bus arbitration without relying on several small programmable devices. The 208-terminal PQFP provides a large I/O budget for parallel buses and control signals. Engineers should define clock domains, constrain all timing paths, and account for transmission-line behavior on high-speed interfaces before fabrication.
推荐
PCI-Compatible Interface Logic
The APA450-PQ208I is suited to legacy 32-bit PCI interface designs requiring programmable transaction logic, protocol handling, and nonvolatile configuration. The family is associated with support for 32-bit PCI operation up to 50 MHz, while the device itself has a maximum operating frequency of 180 MHz. Its 12,288 logic cells and 208-terminal PQFP offer enough capacity and external connectivity for bus control, arbitration, and data-path functions. Validate electrical characteristics, I/O standards, timing margins, and PCI compliance in the final system rather than treating the headline clock frequency as a substitute for board-level verification.
推荐
Data Acquisition and Signal Conditioning
The APA450-PQ208I can coordinate acquisition systems that combine parallel sensors, counters, digital filters, and control outputs. Its 450,000-equivalent-gate capacity allows substantial acquisition sequencing and local processing to be consolidated into a single FPGA, while the 180 MHz maximum frequency supports demanding sampling-control logic. The 208-terminal PQFP exposes enough pins for multiple data buses, clocks, and triggers, and nonvolatile flash configuration preserves the acquisition program across power cycles. Signal integrity requires controlled impedance routing, termination, clock distribution, and separate return paths between sensitive input circuitry and digital switching nodes.
推荐
Test and Measurement Equipment
The APA450-PQ208I fits programmable test equipment that requires sequencing, pattern generation, instrument control, and persistent configuration. At 12,288 logic cells and 450,000 equivalent gates, it can combine several control functions while retaining the programmed bitstream in nonvolatile flash. The 0°C to 70°C operating range supports industrial laboratory environments, and the 208-terminal PQFP supports external stimulus, response capture, and communication connections. Designers should allocate the device only after confirming the required pin multiplexing, clocking resources, I/O standards, and timing performance for each instrument block.
推荐
Embedded Control and Sensor Hubs
The APA450-PQ208I can act as the programmable hub in sensor and embedded-control products that coordinate multiple I/O channels, local decisions, and communication logic. Its nonvolatile configuration avoids an external boot PROM, while the 180 MHz maximum frequency and 12,288 logic cells support more complex control than a small CPLD. The 208-terminal PQFP provides extensive connectivity for sensors, actuators, status indicators, and external controllers. For compact products, the package still requires careful escape routing, solid power distribution, and thermal analysis because its fine 0.50 mm pitch can increase assembly and inspection difficulty.
推荐
推荐产品汇总
工程参考数据： APA450-PQ208I ——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 | APA450-PQ208 | APA450-PQG208 | APA450-PQG208I |
|---|---|---|---|---|
| Manufacturer | Microchip Technology | Microchip Technology | Microsemi | Microchip Technology |
| Package | 208-terminal PQFP | 208-terminal PQFP | 208-terminal PQFP | 208-terminal PQFP |
| Equivalent System Gates | 450,000 gates | 450,000 gates | 450,000 gates | 450,000 gates |
| Logic Cells | 12,288 cells | 12,288 cells | 12,288 cells | 12,288 cells |
| Maximum Clock Frequency | 180 MHz | 180 MHz | 180 MHz | 180 MHz |
| Logic Family | CMOS | CMOS | CMOS | CMOS |
| Programmable Function | Field-programmable gate array | Field-programmable gate array | Field-programmable gate array | Field-programmable gate array |
关键差异点
- Industrial-temperature ordering designation （对比 APA450-PQ208)
- Identical headline programmable-logic capacity （对比 APA450-PQG208)
- Industrial suffix retained within the same package （对比 APA450-PQG208I)
设计说明
Assign all 208 terminals before releasing the schematic and PCB layout. Verify power, ground, configuration, clock, and user I/O pins against the manufacturer pin-description table. The 0.50 mm terminal pitch requires disciplined fanout routing and careful via placement beneath the package; avoid vias where they can interfere with lead emergence or create solder-assembly problems. Use the official package drawing for courtyard, lead length, and solder-mask dimensions rather than scaling a generic PQFP footprint.
Partition clock, high-speed bus, configuration, and ordinary I/O routing so that switching paths do not run beside sensitive inputs. Apply source-series termination, receiver termination, or controlled-impedance routing according to the actual interface standard. Constrain clock and data paths for the 180 MHz device capability and verify setup and hold margins at every device boundary. Separate power and ground returns for switching logic and sensitive acquisition circuits, especially in mixed-signal acquisition equipment.
Estimate every internal supply rail and external I/O power budget from the actual design utilization rather than the maximum clock frequency alone. Confirm core and I/O voltage requirements, sequencing, tolerance, current limits, and decoupling requirements in the manufacturer documentation. Place bulk and high-frequency decoupling capacitors at the associated power pins, provide short ground returns, and keep switching-current loops compact. Validate the completed board across temperature and process corners before production release.
Do not treat a matching PQFP package as proof of complete interchangeability. Before substituting APA450-PQ208, APA450-PQG208, or APA450-PQG208I, compare the exact ordering table, temperature grade, pin multiplexing, timing limits, configuration interface, supply voltages, and programming file compatibility. Preserve the original configuration data and verify the replacement through an engineering validation build, including pin-state, timing, thermal, and field-update tests.
合规信息
RoHS compliance is stated in the APA450-PQ208I comparison information. AEC-Q100 is not applicable to this industrial-temperature FPGA, while the other compliance attributes require manufacturer confirmation.
