XC2C64A-5QFG48C - 64-Macrocell 1.8V CPLD | AMD Xilinx
MPN： XC2C64A-5QFG48C ✗ 停產XC2C64A-5QFG48C 概覽
A CPLD is a programmable logic device that retains its configuration in nonvolatile memory and combines configurable logic with dedicated input and output resources. In the device hierarchy, a CPLD sits between simple programmable logic and an FPGA: it offers faster deterministic routing for moderate logic-density designs while providing nonvolatile configuration, lower system complexity, and a familiar PCB footprint.
The XC2C64A family provides up to 4.6 ns pin-to-pin logic delays and supports 1.8 V systems. Its low 15 A quiescent current is suitable for power-conscious embedded equipment. In-system programming allows configuration or field updates without removing the device from its circuit, while the 64-macrocell architecture accommodates control logic, interface adaptation, state machines, and fixed-footprint hardware customization.
The 0.18 µm CMOS implementation combines nonvolatile configuration storage with deterministic CPLD timing. The -5 suffix identifies a particular speed grade, while QFG48C identifies the 48-lead QFN exposed-pad package and commercial temperature designation. The exposed pad supports heat transfer from the device to the PCB, making copper placement and thermal analysis important in compact embedded systems.
Typical applications include industrial control, embedded instrumentation, communications-interface adaptation, low-voltage consumer electronics, and compact control systems. A 37-I/O device can connect processors, sensors, memory interfaces, status indicators, and discrete I/O when the design does not require the capacity or routing flexibility of a larger FPGA.
The primary design consideration is maintaining a clean 1.8 V rail and providing adequate thermal copper beneath the exposed pad. Confirm timing constraints for every external path, reserve configuration pins for their designated functions, and validate all I/O standards against the AMD DS311 device data sheet before layout release.
This product page organizes the XC2C64A electrical identity, package details, drop-in alternatives, comparison criteria, and PCB-design guidance for engineers evaluating legacy CPLD upgrades and second-source sourcing.
直接替換替代品，適用於 XC2C64A-5QFG48C — 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： XC2C64A-5QFG48C （相同外形與佔位） — 差異在於 Package, Programmable Type, RoHS Status.
XC2C64A-7QFG48C
✅ 直接替換📋 參考替代品（不在目錄中）
XC2C64A-7QFG48I
✅ 直接替換聯絡詢價
查看資料表 →XC2C64A-5QFG48I
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
XC2C64A-4QFG48C
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
XC2C64A-6QFG48C
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
XC2C64A-5QFG48C 最大額定值與電氣特性
| Device Type | CoolRunner-II complex programmable logic device |
| Programmable Type | In-system programmable |
| Macrocell Count | 64 macrocells |
| I/O Count | 37 I/O |
| Logic Capacity | Approximately 1.5K logic gates |
| Maximum Performance | 263 MHz |
| Pin-to-Pin Logic Delay | Up to 4.6 ns |
| Core Supply Voltage | 1.8 V |
| 靜態電流 | 15 A |
| Process Technology | 0.18 µm CMOS |
| 封裝 | 48-pin QFN with exposed pad, 7 x 7 mm |
| 安裝類型 | Surface mount |
| Configuration Memory | Nonvolatile |
| Operating Temperature Grade | Commercial |
| RoHS 狀態 | RoHS compliant |
| Lead-Free Status | Lead free |
| Document Revision | Revision 2.3 |
| Document Release Date | 2008-11-18 |
XC2C64A-5QFG48C 48-pin qfn with exposed pad, 7 x 7 mm 腳位配置指南
XC2C64A-5QFG48C（48-pin qfn with exposed pad, 7 x 7 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： XC2C64A-5QFG48C.
請參閱 資料表 以查看完整腳位配置。
典型應用
XC2C64A-5QFG48C 適用於 6 應用s: Industrial Control Logic, Embedded Instrumentation, Communication Interface Adaptation, Low-Voltage Consumer Electronics, Sensor and I/O Hub, Compact Control System.
Industrial Control Logic
The XC2C64A-5QFG48C fits compact industrial-control boards that need deterministic logic without the routing overhead of a large FPGA. Its 64 macrocells and 37 I/O can implement state machines, interlocks, alarm logic, and interface conditioning, while the 263 MHz performance supports short combinational paths and responsive control sequences. The 1.8 V core aligns with modern 1.8 V processors and transceivers. Keep the exposed pad connected to a solid thermal and ground plane, and use the AMD DS311 timing tables to confirm every external path against the selected I/O standard.
推薦
Embedded Instrumentation
The XC2C64A-5QFG48C is useful in embedded instruments that require sensor conditioning, acquisition sequencing, and control of mixed-signal front ends. Its 37 I/O can support digital sensors, status LEDs, front-panel controls, and communication links, while 64 macrocells provide enough logic for command decoding and timing-state management. The 1.8 V supply reduces level-shifting complexity in modern systems, and the 15 A quiescent current suits power-sensitive equipment. Validate input thresholds, output slew behavior, and setup-time requirements against the actual external clock and bus speed before release.
推薦
Communication Interface Adaptation
The XC2C64A-5QFG48C can bridge unmatched digital interfaces in communications equipment by translating signal formats, inserting protocol timing, and routing control signals. Its 37 I/O provide substantial parallel connectivity for status, chip-select, interrupt, and data paths, while the 4.6 ns pin-to-pin delay capability supports faster deterministic logic paths. The device's 1.8 V core is well matched to contemporary interface ICs. Because legacy CPLD I/O characteristics depend on the selected bank and timing mode, confirm voltage compatibility, drive strength, and timing against every connected component.
推薦
Low-Voltage Consumer Electronics
The XC2C64A-5QFG48C is appropriate for low-voltage consumer products requiring fixed, compact logic functions such as mode control, display sequencing, button decoding, or peripheral arbitration. Its 1.8 V core minimizes power and integration overhead, while 64 macrocells and 37 I/O cover moderate control logic without occupying a large board area. The 15 A quiescent current is particularly useful in battery-oriented designs, although total standby consumption also depends on external pull states and the configured I/O bank. Preserve the exposed-pad thermal path even in compact enclosures where internal heat dissipation is limited.
推薦
Sensor and I/O Hub
The XC2C64A-5QFG48C can serve as the coordination hub for a board containing sensors, discrete I/O, and a host processor. Its 37 I/O support sensor inputs, interrupt routing, actuator-control signals, and status LEDs, while the programmable macrocells implement filtering, debouncing, scaling, and sequencing logic. At 1.8 V, the CPLD can share a rail with compatible low-voltage sensors and processors, although each I/O still requires voltage-domain verification. Use short, well-grounded tracks for sensitive inputs, place input conditioning near the source, and test all unused pins in the configuration used by the production design.
推薦
Compact Control System
The XC2C64A-5QFG48C supports compact control systems where deterministic logic, nonvolatile configuration, and a small pin count matter more than programmable-logic capacity. It can implement sequencers, protection logic, watchdog handling, and peripheral selection around a microcontroller or processor. The 48-pin QFN exposed-pad package reduces board area, and in-system programming simplifies configuration maintenance. The footprint must still support reliable assembly and heat flow, so provide the exposed-pad copper and thermal vias recommended by AMD and verify pin assignments against the package drawing rather than inferring them from the family suffix alone.
推薦
推薦產品摘要
工程參考資料，適用於 XC2C64A-5QFG48C — 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 | XC2C64A-7QFG48C | XC2C64A-7QFG48I | XC2C64A-5QFG48I | XC2C64A-4QFG48C | XC2C64A-6QFG48C |
|---|---|---|---|---|---|---|
| Brand | AMD | AMD | AMD | AMD | AMD | AMD |
| Package | QFN-48 exposed pad (7 x 7 mm) | QFN-48 exposed pad (7 x 7 mm) | QFN-48 exposed pad (7 x 7 mm) | QFN-48 exposed pad (7 x 7 mm) | QFN-48 exposed pad (7 x 7 mm) | QFN-48 exposed pad (7 x 7 mm) |
| Device Type | CoolRunner-II CPLD | CoolRunner-II CPLD | CoolRunner-II CPLD | CoolRunner-II CPLD | CoolRunner-II CPLD | CoolRunner-II CPLD |
| Macrocell Count | 64 macrocells | 64 macrocells | 64 macrocells | 64 macrocells | 64 macrocells | 64 macrocells |
| I/O Count | 37 I/O | 37 I/O | 37 I/O | 37 I/O | 37 I/O | 37 I/O |
| Core Supply Voltage | 1.8 V | 1.8 V | 1.8 V | 1.8 V | 1.8 V | 1.8 V |
| Process Technology | 0.18 µm CMOS | 0.18 µm CMOS | 0.18 µm CMOS | 0.18 µm CMOS | 0.18 µm CMOS | 0.18 µm CMOS |
| Programming Support | In-system programmable | In-system programmable | In-system programmable | In-system programmable | In-system programmable | In-system programmable |
主要差異化特點
- Faster performance within the same CoolRunner-II QFN-48 platform (對比XC2C64A-7QFG48C)
- No PCB redesign required for the confirmed -7 speed-grade alternative (對比XC2C64A-7QFG48C)
- Lower-power 1.8 V implementation for embedded logic (對比XC2C64A-7QFG48C)
- Deterministic performance for compact control logic (對比XC2C64A-7QFG48I)
設計說明
Treat the exposed pad as both a thermal path and a layout-critical feature. Provide uninterrupted ground copper beneath the package, follow the AMD package drawing for pad dimensions, and place thermal vias where they can transfer heat without violating manufacturing rules. The heat-flow requirement is especially important because the QFN-48 body has no large exposed leads for mechanical or thermal transfer. Validate the completed board under worst-case ambient temperature and operating activity rather than relying on ambient-temperature calculations alone.
Assign configuration, supply, ground, and user I/O pins strictly from the AMD DS311 pin-description table for the selected QFG48 variant. Keep configuration paths short and away from high-speed or switching nodes, and route ground returns directly to the exposed-pad plane. Because the package has 37 user I/O in a 48-lead footprint, several leads carry mandatory power, ground, or configuration functions; using a generic 48-pin symbol can cause incorrect schematic-to-layout assignments.
Do not assume that every XC2C64A-7QFG48C or alternate-speed device is an unconditional electrical replacement for the -5 grade. The -7QFG48C operates at 159 MHz compared with 263 MHz for the target, so slower paths may still meet the original clock period while critical paths may not. Re-run static timing analysis with the actual external delays, and verify configuration pin states, supply sequencing requirements, and unused-pin treatment before approving a substitution.
Apply the AMD-recommended I/O timing and drive assumptions to every external interface. For slow control signals, place pull resistors at the appropriate device or source to prevent floating inputs during configuration or reset. For interfaces connected to higher-speed devices, account for board capacitance, connector or package delay, ringing, and the selected I/O standard in the timing budget. Do not infer edge rates solely from the 263 MHz device speed because package and board paths can dominate short critical paths.
合規資訊
RoHS-compliant and lead-free status are identified for the XC2C64A-5QFG48C. The device is a commercial-grade CPLD, so AEC-Q100 automotive qualification is not applicable. Exact-lot REACH, halogen-free, and conflict-minerals declarations require supplier confirmation.
