XC2C32A-4PC44C 32-Macrocell 4 ns CPLD | AMD/Xilinx
MPN： XC2C32A-4PC44C ✓ 啟用中XC2C32A-4PC44C 概覽
A complex programmable logic device, commonly called a CPLD, belongs to the programmable-logic hierarchy alongside FPGAs. Unlike a fixed combinational logic circuit, a CPLD stores its configuration in nonvolatile flash memory. After programming, the device implements digital logic directly in hardware, providing deterministic operation without executing software on a microcontroller or processor.
The CoolRunner-II architecture combines 32 macrocells with 750 available gates in a low-power 0.18 µm process. Its in-system programmability permits a board to be configured or updated without removing the device from the assembled PCB. The commercial grade and surface-mount package are suited to industrial control, communications, consumer, and embedded equipment where compact configurable logic is required.
Typical uses include bus-interface translation, control-signal generation, protocol bridging, state-machine implementation, display-control logic, and general glue logic around microcontrollers. The 32-macrocell capacity allows moderate combinational and sequential functions to be consolidated without introducing the resource overhead of a larger programmable-logic device.
PCB design should preserve the manufacturer's recommended power, ground, configuration, and programming connections. Confirm the exact pin names and configuration requirements in the AMD/Xilinx CoolRunner-II documentation before routing the PCB, because the component combines user I/O with dedicated power and configuration functions.
This page compares package and family variants, identifies genuine same-footprint replacements, and summarizes selection and implementation considerations that help engineers evaluate the XC2C32A-4PC44C beyond a basic distributor specification table.
直接替換替代品，適用於 XC2C32A-4PC44C — 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： XC2C32A-4PC44C （相同外形與佔位） — 差異在於 Package Dimensions, Process Technology, RoHS Status, Temperature Grade.
XC2C32-4PC44C
✅ 直接替換📋 參考替代品（不在目錄中）
XC2C32A-4PCG44C
✅ 直接替換📋 參考替代品（不在目錄中）
XC2C32A-4PC44I
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
XC2C32A-6PC44C
✅ 直接替換聯絡詢價
查看資料表 →XC2C32-6PC44C
✅ 直接替換📋 參考替代品（不在目錄中）
XC2C32A-4PC44C 最大額定值與電氣特性
| Device Type | CoolRunner-II complex programmable logic device |
| Macrocells | 32 macrocells |
| Logic Gates | 750 gates |
| Maximum Operating Frequency | 323 MHz |
| Speed Grade | 4 ns |
| Configuration Memory | Flash |
| Process Technology | 0.18 µm |
| Logic Type | CMOS |
| Temperature Grade | Commercial |
| Number of Terminals | 44 terminals |
| Package Code | QCCJ |
| Package Family | PQCC44 |
| Package Shape | Square |
| Package Dimensions | 16.5 mm x 16.5 mm |
| Lead Pitch | 1.27 mm |
| 安裝類型 | Surface Mount |
| Programmability | In-system programmable |
| Standby Power | Zero standby power consumption |
| RoHS 狀態 | Compliant |
XC2C32A-4PC44C 16.5 mm x 16.5 mm 腳位配置指南
XC2C32A-4PC44C（16.5 mm x 16.5 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： XC2C32A-4PC44C.
請參閱 資料表 以查看完整腳位配置。
典型應用
XC2C32A-4PC44C 適用於 6 應用s: Microcontroller Companion Logic, Industrial Automation Control, Bus Interface Translation, Communication Protocol Bridge, Display and Interface Control, Low-Power Embedded Logic.
Microcontroller Companion Logic
The XC2C32A-4PC44C provides 32 macrocells and a 4 ns speed grade for consolidating address decoding, interrupt routing, bus arbitration, and peripheral-control logic around a microcontroller. Its flash configuration preserves the programmed function when power is removed, while the 323 MHz maximum operating frequency provides timing margin for fast control paths. A design can therefore remove discrete gates and reduce routing complexity without replacing the host processor. Validate every setup and hold relationship against the host device timing, and use the vendor fitting tools to confirm that the selected macrocell architecture can implement the combined logic.
推薦
Industrial Automation Control
The XC2C32A-4PC44C is suitable for deterministic control blocks in industrial automation equipment, including state machines, command decoding, interlock logic, and signal timing. Its 32 macrocells support a practical balance of combinational and sequential functions, while the 4 ns grade helps preserve margin in control paths. Commercial temperature designation makes it appropriate for indoor systems whose operating conditions remain within the specified range. Confirm the complete operating-temperature specification, supply tolerances, and industrial qualification expectations for the finished equipment before releasing the production design.
推薦
Bus Interface Translation
The XC2C32A-4PC44C can implement bus-width conversion, address decoding, level-independent signal routing, and protocol adaptation in a 44-terminal surface-mount design. Its 323 MHz maximum frequency provides ample headroom for many control and status interfaces, and 32 macrocells allow multiple conversion functions to share one programmable device. Because CPLD input thresholds, output drive, and I/O standards are product-specific, check the electrical characteristics against each connected bus. Keep routing short, provide defined power and ground planes, and validate setup timing for the fastest participating peripheral.
推薦
Communication Protocol Bridge
The XC2C32A-4PC44C is suitable for small protocol bridges, frame formatters, UART event routers, and programmable signal conditioners. Flash configuration allows firmware or logic revisions to be applied in-system, reducing the need to replace a board when an interface behavior changes. The 32-macrocell resource count is suitable for moderate bridging functions rather than large packet-processing engines. Use the 323 MHz figure as a device maximum, not guaranteed system bandwidth, and evaluate the actual design with timing analysis. Confirm that the selected I/O standard and signal rates satisfy the physical interface.
推薦
Display and Interface Control
The XC2C32A-4PC44C can generate display-enable sequences, scan timing, keypad scanning, indicator logic, and programmable control signals. Its 32 macrocells allow several timing and interface functions to be consolidated, while in-system programming supports display-sequence changes without PCB rework. The 4 ns grade provides additional timing margin for multiplexed or high-speed indicator systems. Check display timing margins against the controller specification and ensure that all outputs remain valid during configuration. For longer product life cycles, consider a variant with an appropriate temperature designation for the installation environment.
推薦
Low-Power Embedded Logic
The XC2C32A-4PC44C fits embedded systems that require programmable logic without adding a separate processor or volatile configuration RAM. Flash configuration supports deterministic startup behavior, and the CoolRunner-II family is identified for low-power operation with zero standby power consumption. Engineers can consolidate debounce circuits, command sequencers, wake-up logic, and peripheral routing while retaining design flexibility. Power-budget analysis should include both active and standby conditions for the complete board, because the device is only one part of system-level consumption. Use the device's active and configuration current specifications during battery-life calculations.
推薦
推薦產品摘要
工程參考資料，適用於 XC2C32A-4PC44C — 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 | XC2C32-4PC44C | XC2C32A-4PCG44C | XC2C32A-4PC44I | XC2C32A-6PC44C | XC2C32-6PC44C |
|---|---|---|---|---|---|---|
| Package | PQCC44, 44 terminals | PQCC44, 44 terminals | PQCC44, 44 terminals | PQCC44, 44 terminals | PQCC44, 44 terminals | PQCC44, 44 terminals |
| Brand | AMD/Xilinx | AMD/Xilinx | AMD/Xilinx | AMD/Xilinx | AMD/Xilinx | AMD/Xilinx |
| Macrocells | 32 macrocells | 32 macrocells | 32 macrocells | 32 macrocells | 32 macrocells | 32 macrocells |
| Speed Grade | 4 ns | 4 ns | 4 ns | 4 ns | 6 ns | 6 ns |
| Configuration Memory | Flash | Flash | Flash | Flash | Flash | Flash |
主要差異化特點
- Faster speed class with the same 32-cell resource count (對比XC2C32A-6PC44C)
- CoolRunner-II A-family device with full 32-macrocell capacity (對比XC2C32-4PC44C)
- Commercial 4 ns option when temperature margin is sufficient (對比XC2C32A-4PC44I)
設計說明
Use the manufacturer PQCC44 land pattern and verify the 16.5 mm by 16.5 mm body size and 1.27 mm lead pitch against the actual assembly drawing. Place decoupling capacitors close to the device power terminals, use an uninterrupted ground plane, and avoid routing user signals beneath the package wherever possible. Confirm the exposed or thermal features shown in the package outline before computing paste and solder-joint volumes.
Separate configuration, programming, clock, and high-fanout user-I/O routing from sensitive analog or low-speed peripheral connections. Keep programming access unobstructed for in-system updates, and assign pull-up or pull-down resistors only where required by the manufacturer's interface guidance. Short return paths reduce ground bounce, while controlled clock topology is essential for predictable state-machine behavior in the 323 MHz device class.
Do not substitute the 6 ns parts for the 4 ns target without rerunning timing analysis. The 6 ns designation represents a 50% increase in propagation-time class, which can break a design that closes with limited margin on the XC2C32A-4PC44C. Also verify that PC, PCG, and temperature-grade suffixes refer to the required land pattern, qualification level, and ordering attributes rather than treating them as interchangeable packaging labels.
Calculate the board's power budget with the CPLD in active, idle, and configured states rather than relying only on standby consumption. Use the exact device electrical characteristics to select supply tolerance and bulk or ceramic decoupling. Because the device is flash-programmable, account for configuration current and startup behavior when designing power-reset sequencing for the surrounding processor and peripherals.
合規資訊
The LCSC product record identifies the component as RoHS compliant. Other environmental, automotive, and material-compliance attributes were not stated in the product records.
