XC2C256-7PQ208I - CoolRunner-II CPLD 256 Macrocells | Xilinx/AMD
MPN: XC2C256-7PQ208I ✗ Son Kullanım ZamanıXC2C256-7PQ208I Genel Bakış
A CPLD (Complex Programmable Logic Device) is a type of programmable logic IC that provides non-volatile, deterministic-timing logic implementation between simple PLDs and full FPGAs in the system hierarchy. Unlike SRAM-based FPGAs, CoolRunner-II CPLDs retain their configuration through power cycling, making them a glue-logic and sequencer staple in embedded power management IC subsystems, board bring-up, and control logic.
Key features of the XC2C256-7PQ208I include optimization for 1.8V systems, as fast as 5.7 ns pin-to-pin delays, and quiescent current as low as 13 uA. The device is built on the industry-leading 0.18 micron CMOS CPLD process, with a maximum operating frequency of 152 MHz and a maximum propagation delay of 6.7 ns. Its 208-pin PQFP package with gull-wing terminals provides abundant user I/O for wide-bus interfacing, and the -7 speed grade balances performance with the family's signature low dynamic power.
Architecturally, the CoolRunner-II family uses a Fab-Logic blocks structure in 0.18 um CMOS optimized for effective logic synthesis. The deterministic, single-chip timing behavior makes pin-to-pin delays predictable regardless of routing, which simplifies timing closure compared to FPGA designs. Data三星_e (Schmitt-trigger style) input options and low static current make it well suited for battery-powered and power-sensitive designs.
Typical applications include industrial automation control logic, telecommunications and 5G infrastructure glue logic, medical imaging board control, aerospace and defense subsystems, and legacy FPGA/CPU bus interfacing. The industrial (-I) temperature grade supports harsh-environment deployment where commercial-grade parts are unreliable.
Design consideration: the XC2C256 family is at or near end-of-life status per AMD community reports, so for new designs verify long-term supply or plan a second source strategy; ISE design tools support this family for compilation and programming.
This page synthesizes drop-in alternatives within the CoolRunner-II 208-pin PQFP family, practical design notes, and sourcing guidance not found in the manufacturer datasheet (DS094).
Drop-in alternatifler için XC2C256-7PQ208I — aynı paket, pin-başına uyumlu. PCB yeniden montajı gerektiren farklı paket bileşenleri dışlanmıştır.
Bu Serideki Variantlar
Yedek parça uyumlu olan aynı serideki modeller XC2C256-7PQ208I (aynı form faktörü ve ayağa oturma) — farklı olan Configuration Memory, Package, Temperature Grade.
XC2C256-7PQG208I
✅ Yerleştirme📋 Katalogda Olmayan Referans Alternatifi
XC2C256-7PQG208C
✅ Yerleştirme📋 Katalogda Olmayan Referans Alternatifi
XC2C256-7PQ208C
✅ YerleştirmeFiyat için iletişime geçin
Veri Şablonunu Görüntüle →XC2C256-6PQG208C
✅ Yerleştirme📋 Katalogda Olmayan Referans Alternatifi
XC2C256-10PQG208C
✅ Yerleştirme ⚠️ Onaylanmamış Özellikler📋 Katalogda Olmayan Referans Alternatifi
XC2C256-7PQ208I Maksimum Değerlendirmeler & Elektriksel Özellikler
| Manufacturer | AMD (Xilinx) |
| Family | CoolRunner-II |
| Device Type | CPLD (Complex Programmable Logic Device) |
| Macrocells | 256 |
| Equivalent Gates | 6000 |
| Speed Grade | -7 |
| Pin-to-Pin Delay | 5.7 ns (min fast case per family features) |
| Maximum Propagation Delay | 6.7 ns |
| Maximum Operating Frequency | 152 MHz |
| Besleme Gerilimi | 1.8 V |
| Durağan Akım | 13 uA (as low as) |
| Process Technology | 0.18 um CMOS |
| Paket | 208-pin PQFP (FQFP), square, gull-wing |
| Montaj Stili | Surface Mount |
| Temperature Grade | Industrial (-I) |
| Configuration Memory | Non-volatile (CPLD, retains configuration through power cycles) |
XC2C256-7PQ208I 208-pin pqfp (fqfp), square, gull-wing Pin Yapısı Kılavuzu
XC2C256-7PQ208I (208-pin pqfp (fqfp), square, gull-wing paket) için pin yapısı. Bu dijital IC, GPIO, iletişim arayüzleri (UART, SPI, I2C) ve güç pinleri içerir. Alternatif pin işlevleri ve yapılandırma seçenekleri için üretici veri kitapçığını referans alın. Tünel sistem tasarımı ve PCB yerleşimi için temel bir bileşendir.
Ayrıntılı pin çıkış verisi mevcut değil: XC2C256-7PQ208I.
Aşağıdaki veri sayfası tam pin konfigürasyonu için.
Tipik Uygulamalar
XC2C256-7PQ208I için uygundur 6 uygulamas: Industrial Automation Control Logic, Telecommunications and 5G Infrastructure Glue Logic, Battery-Powered Portable and Low-Power Electronics, Medical Imaging Equipment Control, Aerospace and Defense Subsystems, Legacy Bus Interfacing and System Glue Logic.
Industrial Automation Control Logic
The XC2C256-7PQ208I fits industrial automation because its deterministic 6.7 ns maximum propagation delay guarantees predictable control sequencing regardless of routing, unlike FPGA implementations requiring timing analysis. Its -I industrial temperature rating sustains harsh factory-floor environments where commercial-grade silicon drifts or fails. With 256 macrocells and 6,000 gates, the device absorbs state machines, interlocks, encoder decoding, and safety interlock logic, while the 208-pin PQFP package supplies enough I/O for wide parallel buses to PLC backplanes. Running from a 1.8V core with as little as 13 uA quiescent current, it suits always-on supervisory nodes. Non-volatile configuration means the controller begins operating the instant power is applied, with no boot loader delay.
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Telecommunications and 5G Infrastructure Glue Logic
Telecom line cards and 5G baseband boards rely on the XC2C256-7PQ208I for address decoding, bus transceiver control, and clock enable gating between ASICs and processors. The 152 MHz family maximum and -7 speed grade keep gate delays well below typical bus setup margins at line-card clock rates, and CPLD determinism removes routing-dependent timing risk during design respins. The 208-pin PQFP offers sufficient I/O to bridge 32-bit and 64-bit parallel control buses that serial-interface FPGAs cannot absorb economically. Quiescent draw of 13 uA keeps standby budgets compatible with always-on chassis management, and the non-volatile architecture lets backplane boards initialize their control fabric before the host processor boots.
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Battery-Powered Portable and Low-Power Electronics
The CoolRunner-II family is optimized for 1.8V systems, and the XC2C256-7PQ208I draws as little as 13 uA quiescent current, among the best static-power figures for 256-macrocell programmable logic. Portable instruments, metering nodes, and wearable diagnostic equipment use it to implement wake-up sequencing, button debouncing, and power-rail gating that a microcontroller would consume sleep-mode budget executing. At 1.8V, direct interfacing to low-voltage coin-cell subsystems avoids level-shifters, and 0.18 um CMOS technology minimizes leakage. Deterministic pin-to-pin delay of 5.7 ns ensures predictable reaction to asynchronous wake events, and non-volatile configuration guarantees the logic is active from the first microamp of supply current.
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Medical Imaging Equipment Control
Medical imaging platforms such as ultrasound and digital X-ray chains use the XC2C256-7PQ208I to sequence detector readout, gate analog front-end gains, and manage board-level reset distribution. Deterministic 6.7 ns maximum propagation delay simplifies verification of safety-critical timing interlocks, a regulatory advantage over FPGA soft logic whose timing depends on routing. The 208-pin PQFP interface connects to wide parallel detector buses, and industrial temperature rating withstands the elevated ambient inside imaging gantries. Non-volatile CPLD configuration ensures the imaging subsystem's enable logic is live the moment power is applied, supporting safe power-up ordering for sensitive analog front-end ICs and high-voltage supplies.
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Aerospace and Defense Subsystems
Defense and aerospace boards deploy the XC2C256-7PQ208I for deterministic mission-logic such as arming-sequence interlocks, telemetry bus formatting, and redundant-sensor voting. CPLD timing determinism (5.7 ns pin-to-pin, 152 MHz family maximum) allows worst-case analysis without dependence on FPGA routing results, which eases design assurance documentation. The industrial temperature grade and 0.18 um CMOS process provide environmental robustness, while 13 uA quiescent current supports battery-backed avionics keep-alive rails. The non-volatile architecture eliminates configuration-readup vulnerabilities at power-on, ensuring control logic is active immediately, and the 208-pin PQFP footprint offers abundant I/O for MIL-std parallel telemetry interfaces.
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Legacy Bus Interfacing and System Glue Logic
Designers consolidating legacy parallel interfaces use the XC2C256-7PQ208I to bridge ISA-style, memory-mapped, or proprietary buses to modern MCUs and FPGAs. With 256 macrocells and 6,000 gates, the device absorbs address decoders, wait-state generators, byte-lane steering, and bidirectional bus transceiver control, while the 208-pin PQFP package terminates 32- and 64-bit buses directly. The -7 speed grade with 5.7 ns pin-to-pin delay meets the tight access windows of fast synchronous buses, and CPLD determinism guarantees the same delay on every revision of the logic. Non-volatile configuration means the bridge is functional at power-on, enabling host boot ROMs and configuration controllers to operate without external initialization.
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Önerilen Ürünler Özeti
Mühendislik referans verileri: XC2C256-7PQ208I — karşılaştırma, tasarım rehberi ve uyumluluk bilgileri.
Seçim Kılavuzu
Alternatiflerle Karşılaştırma
| Parametre | Bu Ürün | XC2C256-7PQG208I | XC2C256-7PQG208C | XC2C256-7PQ208C | XC2C256-6PQG208C | XC2C256-10PQG208C |
|---|---|---|---|---|---|---|
| Package | 208-pin PQFP (PQ208) | 208-pin PQFP (PQG208) - same footprint | 208-pin PQFP (PQG208) - same footprint | 208-pin PQFP (PQ208) - same footprint | 208-pin PQFP (PQG208) - same footprint | 208-pin PQFP (PQG208) - same footprint |
| Brand | AMD (Xilinx) | AMD (Xilinx) | AMD (Xilinx) | AMD (Xilinx) | AMD (Xilinx) | AMD (Xilinx) |
| Macrocells | 256 | 256 | 256 | 256 | 256 | 256 |
| Speed Grade | -7 | -7 | -7 | -7 | -6 (slower) | -10 (slower) |
| Supply Voltage | 1.8 V | 1.8 V | 1.8 V | 1.8 V | 1.8 V | 1.8 V |
| Temperature Grade | Industrial (-I) | Industrial (-I) | Commercial (-C) | Commercial (-C) | Commercial (-C) | Commercial (-C) |
| Package Process Code | Standard PQFP | Green (G) | Green (G) | Standard | Green (G) | Green (G) |
| Configuration Type | Non-volatile CPLD | Non-volatile CPLD | Non-volatile CPLD | Non-volatile CPLD | Non-volatile CPLD | Non-volatile CPLD |
Ana Farklılayıcılar
- Industrial temperature qualification in the -7 speed grade (karşılaştırma:XC2C256-7PQG208C)
- Faster timing than -6 and -10 speed-grade siblings (karşılaştırma:XC2C256-6PQG208C)
- Standard (non-green) package option for legacy process flows (karşılaştırma:XC2C256-7PQG208I)
Tasarım Notları
The XC2C256-7PQ208I runs from a single 1.8V core supply with quiescent current as low as 13 uA per the CoolRunner-II family features. Decouple the VCCINT rail with at least 100 nF ceramic per power pin group plus bulk capacitance at the board level. When interfacing to 3.3V or 2.5V logic domains, confirm I/O bank voltage compatibility and current-limit or level-shift as required by DS094 I/O electrical specifications - overdriving 1.8V-referenced inputs is a common failure mode in mixed-rail boards.
The 208-pin PQFP has gull-wing leads on all four sides of a square body. Follow the PQFP land pattern in DS094 mechanical drawings and use the PQ208 package file from the Xilinx ISE installation for footprint verification. Inspect solder joints with X-ray or angled AOI on the inner leads, which are prone to bridging at 0.5 mm-class pitch. Support reflow with a soak profile suited to large PQFP thermal mass to minimize warpage-induced open joints on corner leads.
The CoolRunner-II family is widely reported as end-of-life by users on the AMD adaptive support community, so for production programs secure lifetime-buy quantities early and verify date codes on receipts. Additionally, when substituting between PQ208 and PQG208 variants of the same XC2C256 device, re-run the ISE implementation targeting the exact ordering part number; speed-grade timing files differ slightly between -6, -7, and -10 grades even though the footprint is identical.
Uyumluluk Bilgisi
The PQG208 'G' package-code variants denote green packaging in the Xilinx naming scheme; the target PQ208I variant's RoHS/lead-free status should be confirmed on the AMD product page or via quote request.
