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XC2C64A-5CPG56C - 64-Macrocell 1.8V CPLD | AMD
XC2C64A-5CPG56C

XC2C64A-5CPG56C - 64-Macrocell 1.8V CPLD | AMD

The AMD XC2C64A-5CPG56C is a CoolRunner-II complex programmable logic device with 64 macrocells, a 1.8 V supply, and 45 user I/O pins in a 6 x 6 mm, 0.50 mm-pitch CSP-56 package. It operates from a 1.8 V core supply and is designed for low-power, nonvolatile programmable logic in compact embedded systems. The -5 speed designation corresponds to a listed 263 MHz internal frequency, while individual path delays are characterized separately. A CPLD is a programmable logic device that combines programmable AND/OR logic structures with a nonvolatile configuration memory architecture. In the electronics hierarchy, a CPLD is a user-programmable digital semiconductor used for control logic, interface translation, decoding, state machines, and bus arbitration. Unlike a mask-programmed logic device, it can be configured after manufacture, while its nonvolatile configuration allows operation without continuously loading a program into volatile memory. The XC2C64A provides 64 logic macrocells and as many as 45 user I/O pins, making it suitable for designs that need substantially more routing flexibility than discrete gates. Its CMOS implementation uses 0.18 µm technology and targets 1.8 V systems. Listed features include a 4.6 ns fastest pin-to-pin logic delay and low quiescent current, supporting both general-purpose embedded control and low-power portable equipment. CoolRunner-II devices use a fast, deterministic interconnect architecture for logic-intensive designs. The architecture is particularly useful where the design must combine multiple state machines, address decoding, bus control, and data-path functions in one device. The XC2C64A combines a 1.5K-equivalent logic capacity with in-system programmability, allowing a prototype to be revised without changing the PCB when the configuration interface and power architecture remain unchanged. Typical applications include industrial control interfaces, portable instrumentation, embedded system glue logic, communication protocol conditioning, and compact consumer products. Its 45 I/O pins provide sufficient connectivity for parallel data interfaces and control signals, while the small package supports space-constrained board layouts. The CPLD should be paired with a compatible configuration device or supported in-system programming arrangement when a persistent configuration file is required. The principal design considerations are correct voltage sequencing, signal compatibility across the 1.8 V core domain, and careful treatment of the CSP-56 land pattern. The 0.50 mm ball pitch requires a PCB footprint and assembly process capable of fine-pitch component placement. Confirm pin assignments, configuration pins, power pins, and I/O standards against DS311 before fabrication. This product page combines the AMD CoolRunner-II device characteristics with package guidance, verified alternative references, and practical design notes. It helps engineers identify whether the XC2C64A-5CPG56C matches a 64-macrocell, 1.8 V, fine-pitch logic design and what must be checked before PCB release or replacement sourcing.

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XC2C64A-5QFG48C - 64-Macrocell 1.8V CPLD | AMD Xilinx
XC2C64A-5QFG48C

XC2C64A-5QFG48C - 64-Macrocell 1.8V CPLD | AMD Xilinx

AMD Xilinx XC2C64A-5QFG48C is a CoolRunner-II complex programmable logic device with 64 macrocells, 37 I/O, and a 1.8 V operating supply in a 48-pin QFN exposed-pad package. It delivers up to 263 MHz performance, uses 0.18 µm CMOS technology, and provides approximately 1.5K logic gates. The device supports in-system programming and is optimized for low-voltage systems. 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.

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XC2C64A-5VQ44C - 4.6ns 64-Macrocell CPLD | AMD
XC2C64A-5VQ44C

XC2C64A-5VQ44C - 4.6ns 64-Macrocell CPLD | AMD

AMD Xilinx XC2C64A-5VQ44C is a 64-macrocell CoolRunner-II complex programmable logic device with a 4.6 ns pin-to-pin logic delay, a 333 MHz internal frequency, and a 44-pin VQFP package. It is a CMOS programmable logic device intended for deterministic signal processing, communications, industrial automation, and custom hardware acceleration. The -5 speed designation identifies the 4.6 ns performance grade, while the 44-pin package supports compact, surface-mount PCB implementations. A CPLD is a programmable logic device that combines programmable AND/OR logic structures with non-volatile configuration memory. The XC2C64A belongs to the CoolRunner-II CPLD hierarchy, which sits between fixed-function logic and larger field-programmable gate arrays. It is useful when a design needs deterministic propagation timing, in-system reconfiguration, and a modest logic-cell count without the complexity of an FPGA or processor-based implementation. The device provides 64 macrocells and approximately 1.5K gates according to the verified product data. Its 4.6 ns pin-to-pin delay supports moderate-speed control, decode, glue-logic, and interface tasks. The listed 333 MHz internal frequency provides additional timing context, while its optimized 1.8 V architecture targets modern low-voltage digital systems. A 15 A quiescent-current figure appears in the supplied specification extract, although the intended operating supply details should be confirmed in the manufacturer datasheet before power budgeting. Typical uses include communications equipment, industrial automation, real-time signal processing, bus-interface control, data-capture front ends, and embedded control logic. The CPLD is particularly suitable for deterministic designs requiring several interconnected state machines, protocol converters, or glue-logic functions around microcontrollers and processors. Its macrocell architecture also allows designers to consolidate small controller sections into one programmable device rather than using several unrelated fixed-function ICs. Designers should verify power-supply voltage, I/O standards, available package variants, and acquisition-file compatibility in the DS311 device documentation. PCB layouts should preserve adequate ground and power distribution, and unused inputs must be handled according to the manufacturer guidelines. This page synthesizes the supplied specifications, sourcing information, speed-grade alternatives, and design guidance into a compact engineering reference for the XC2C64A-5VQ44C.

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XC2C64A-7CP56C - 64-Macrocells, 1.8V CPLD | AMD
XC2C64A-7CP56C

XC2C64A-7CP56C - 64-Macrocells, 1.8V CPLD | AMD

The AMD XC2C64A-7CP56C is a 64-macrocells, 1.8 V CoolRunner-II complex programmable logic device with a 333 MHz internal frequency, 4.6 ns pin-to-pin logic delay, 45 user I/Os, and a 56-pin CSP package. Its 0.18 µm CMOS implementation targets compact, low-power programmable logic systems where deterministic routing and nonvolatile configuration are more important than FPGA-level capacity. A complex programmable logic device, or CPLD, is a user-programmable semiconductor within the broader programmable-logic hierarchy. It combines multiple logic macrocells, programmable interconnect, and I/O blocks into a relatively small device. Compared with a field-programmable gate array, the XC2C64A is intended for designs with moderate logic density, simpler timing analysis, and rapid in-system reconfiguration. Its CoolRunner-II architecture combines configurable logic with low-power operation for 1.8 V systems. The XC2C64A provides 64 macrocells, 45 user I/Os, a 333 MHz internal frequency, and a listed 5 ns propagation delay. Its optimized 1.8 V architecture, as fast as 4.6 ns pin-to-pin logic delays, and as low as 15 µA quiescent current make it useful in compact control, interface, and glue-logic designs. The CSBGA-56 package reduces board area but requires careful ball-layout and assembly planning. The device uses a 0.18 µm CMOS process and belongs to the CoolRunner-II product family. The 64 macrocells provide substantially more logic capacity than basic switch-mode PAL devices while retaining a comparatively simple programmable architecture. The supplied source data identifies a 333 MHz internal frequency, 45 user I/Os, a 5 ns propagation-delay listing, and the 4.6 ns pin-to-pin performance figure, making this part suitable for deterministic control logic operating from a 1.8 V supply. Typical applications include industrial control and automation, embedded interface logic, protocol conversion, bus arbitration, power sequencing, and compact communications equipment. It can also implement glue logic around processors, ASICs, or larger programmable devices. In these applications, the 64-macrocells provide enough logic capacity to consolidate small control functions, while the 45 I/Os support mixed digital connections within a space-constrained board area. The principal design consideration is package and power planning. Because the part uses a 56-ball CSP rather than a leaded package, its footprint must match the exact CSBGA land pattern, and assembly must account for ball pitch, solder mask, paste stencil, and inspection requirements. Designers should also confirm the complete pin assignment and supported I/O standards against DS311 before schematic capture; complete pin names were not included in the supplied verified excerpts. This page consolidates the supplied manufacturer and distributor information, separates documented specifications from missing data, compares same-family replacement options, and adds practical package-selection guidance. It is intended to complement, not replace, the official XC2C64A CoolRunner-II CPLD data sheet and the device configuration, timing, and package design files required for production implementation.

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XC2C64A-7CP56I - 64-Macrocell 333 MHz CPLD | AMD
XC2C64A-7CP56I

XC2C64A-7CP56I - 64-Macrocell 333 MHz CPLD | AMD

AMD XC2C64A-7CP56I is a 64-macrocell CoolRunner-II complex programmable logic device with a 333 MHz internal frequency, 5 ns stated propagation delay, 45 user I/Os, and a 6 x 6 mm CSP-56 package. It is optimized for 1.8 V systems and combines in-system programmability with CMOS programmable logic in a surface-mount package. A CPLD is a programmable logic device that converts stored configuration data into digital logic functions. In the semiconductor hierarchy, a CPLD sits between basic programmable logic arrays and more complex FPGAs, combining macrocell-based logic with dedicated programmable interconnect. The CoolRunner-II family is designed for compact control, interface, glue-logic, and signal-processing designs where deterministic timing, modest logic capacity, and low system complexity are important. The device provides 64 macrocells, 4.6 ns pin-to-pin logic delays, and a maximum 6.7 ns propagation-delay specification for the -7 speed grade. Its 1.7 V to 1.9 V internal supply range targets low-voltage systems, while the quoted 15 A quiescent current and optimized 1.8 V architecture support compact, power-conscious industrial equipment. The CP-56 package supplies 56 terminals for power, configuration, control, and 45 user I/O functions. The -7 speed grade provides a practical balance between timing and component selection: it is specified at a 333 MHz internal frequency while maintaining a smaller logic delay than slower general-purpose alternatives. The A designation identifies the CoolRunner-II architecture generation, while the ordering suffix identifies package, temperature, and speed characteristics that must be checked against the manufacturer's device documentation before a design is released. Typical uses include industrial controller interface logic, data-acquisition modules, programmable glue logic, communications adapters, embedded control, and low-voltage equipment requiring in-system reconfiguration. In each case, the 64 macrocells provide enough logic density for parallel control, state-machine, and interface functions without the resource allocation and complexity of a larger FPGA. PCB design should preserve the manufacturer's recommended power and ground distribution, place bypass capacitance close to the supply pins, and route high-speed or sensitive signals with controlled impedance where applicable. Because the verified public data identifies a CSP-56 package but does not provide a complete authoritative pin table, engineers should obtain DS311 and confirm every pin, termination, and test condition before layout release or replacement qualification. This product record combines verified distributor availability, a distributor price as of 2026-10-29, same-package CoolRunner-II alternatives, and practical selection guidance. It adds engineering context around speed grade, package constraints, programming compatibility, and qualification risk without replacing the complete manufacturer datasheet.

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XC2C64A-7PC44C - 64-Macrocell 159MHz CPLD | AMD
XC2C64A-7PC44C

XC2C64A-7PC44C - 64-Macrocell 159MHz CPLD | AMD

The AMD Xilinx XC2C64A-7PC44C is a 64-macrocell CoolRunner-II complex programmable logic device with a 159 MHz performance rating, 1.8 V core supply, and a 44-pin PLCC package. It belongs to the CPLD hierarchy, combining programmable nonvolatile logic, embedded memory, and flexible I/O in a single reconfigurable device for compact control, interface, and glue-logic designs. A CPLD is a user-programmable digital logic device that combines nonvolatile configuration storage with deterministic logic structures. Unlike a mask-programmed fixed ASIC, a CPLD can be reprogrammed during development or field updates. The CoolRunner-II family also uses low-power design features and interconnected architecture to support portable equipment, industrial controls, communications equipment, and general-purpose embedded systems. The XC2C64A offers 64 macrocells for implementing combinational and sequential logic. According to the AMD CoolRunner-II XC2C64A data sheet, DS311, the device uses 0.18 µm CMOS technology and supports a 1.8 V core voltage. The -7 designation identifies the performance-grade option, while the PC44 suffix identifies the commercial-temperature 44-pin package configuration. The package is designed for surface-mount PCB assembly. The device is useful when design requirements are stable but not sufficiently large to justify an FPGA. Its macrocell-based logic and dedicated I/O structures provide a practical platform for state machines, bus arbitration, protocol bridges, keypad scanning, display control, and glue logic. Because the configuration is retained in nonvolatile memory, the implemented logic remains available after power is removed and restored. Typical implementations include industrial controller front ends, portable instrument interfaces, communications equipment, embedded control logic, and compact consumer products. Design teams can use the same 44-pin footprint for equivalent CoolRunner-II sourcing options while preserving the programmed bitstream, provided the replacement suffix and electrical conditions have been checked against DS311. Careful hardware design begins with the device pinout, power architecture, and termination requirements in DS311. Confirm all 44 package contacts, supply connections, and I/O standards on the current pin-description table before routing the PCB. Treat the configuration interface and JTAG behavior as critical design constraints because incorrect pin assignment or signal conditioning can prevent programming even when the rest of the logic is electrically correct. This page combines the device identity, manufacturer documentation, package information, sourcing references, same-footprint alternatives, and practical engineering guidance. It focuses on the decisions an engineer must make before programming or qualifying the XC2C64A-7PC44C in production equipment.

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XC2C64A-7QFG48I - 64-Macrocell CoolRunner-II CPLD, 7ns | AMD/Xilinx
XC2C64A-7QFG48I

XC2C64A-7QFG48I - 64-Macrocell CoolRunner-II CPLD, 7ns | AMD/Xilinx

The AMD/Xilinx XC2C64A-7QFG48I is a 64-macrocell, 1.8V CoolRunner-II Complex Programmable Logic Device (CPLD) with 4.6 ns pin-to-pin propagation delay, housed in a 48-pin QFG (QFN) surface-mount package. The device belongs to the CoolRunner-II family, which combines low static power (~15 µA quiescent current) with non-volatile flash configuration memory and in-system programmability via IEEE 1149.1 JTAG. A CPLD (Complex Programmable Logic Device) is a non-volatile, instant-on programmable logic device that sits between discrete glue logic and FPGAs in the programmable logic hierarchy (CPLD -> PLD -> programmable logic -> digital IC -> semiconductor). CoolRunner-II devices implement logic in function blocks based on PLA (Programmable Logic Array) sub-blocks with macrocell flip-flops, providing deterministic timing that simplifies design sign-off in glue-logic applications. Key features of the XC2C64A-7QFG48I include 64 macrocells organized as 4 logic blocks of 16 macrocells, 33 usable I/O pins (out of 37 total), 1.5K usable gates, a pin-to-pin delay of 4.6 ns at industrial temperature range, and DataGATE technology for per-pin input signal blocking to reduce dynamic power. The 0.18 µm CMOS process enables 1.8V core operation with I/O tolerance to 3.3V signals, simplifying interfacing with legacy 3.3V peripherals. The architecture combines a deterministic timing model with low-power 1.8V operation, making this CPLD well-suited for portable and battery-powered designs. The internal 1.8V VCCINT and I/O banked VCCIO supply rails permit mixed-voltage signaling without external level shifters, while the four global clock networks and per-macrocell OE controls give designers flexible clocking and bus-management options. Typical applications include portable/battery-powered consumer electronics where low quiescent current matters, industrial control I/O expansion and bus bridging (I2C, SPI, UART glue logic), and telecom infrastructure glue logic interfacing 3.3V peripherals to 1.8V processors. Designers also deploy this part in medical handheld devices and white goods motor control boards. When designing with this device, ensure the JTAG chain length and TDO load remain within specifications if multiple CoolRunner-II parts share one chain. The DataGATE feature can be disabled per pin to preserve dynamic behavior on critical paths; verify per-pin signal integrity when chaining long busses. This page synthesizes distributor pricing, drop-in alternative cross-references, and practical design notes not found in the manufacturer datasheet alone.

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XC2C64A-7VQ100C - 64-Macro-Cell 1.8V CPLD | AMD
XC2C64A-7VQ100C

XC2C64A-7VQ100C - 64-Macro-Cell 1.8V CPLD | AMD

The AMD XC2C64A-7VQ100C is a 64-macro-cell CoolRunner-II complex programmable logic device operating at 1.8 V in a 100-pin VTQFP package. The device provides 1.5K logic gates, a 159 MHz internal frequency, and a 6.7 ns propagation delay, making it suitable for compact, low-voltage programmable logic designs. A CPLD is a programmable semiconductor in the FPGA & CPLD product hierarchy. Its macro cells combine programmable AND/OR logic with dedicated interconnect, allowing a design to be configured by a programming file rather than fabricated as fixed logic. Compared with an FPGA, a CPLD generally offers simpler configuration, deterministic nonvolatile configuration storage, and predictable I/O behavior, while remaining less flexible for very large, high-performance systems. The XC2C64A belongs to the enhanced CoolRunner-II family and uses 0.18 µm CMOS technology. Its 64 macro cells and 1.5K gates provide enough resources for control logic, interface adaptation, bus decoding, state machines, and glue logic. The -7 speed designation corresponds to the listed 6.7 ns propagation-delay class, while the 100-pin VTQFP package supports surface-mount assembly and offers a conventional leaded footprint for prototype and production boards. The device is optimized for 1.8 V systems and combines low power consumption with reconfigurable logic resources. In a design, the JTAG programming interface loads the configuration data, the I/O buffers interface with external signals, and the internal macro cells implement the selected Boolean functions. Because configuration is nonvolatile, the circuit can begin operating its programmed function after power is applied without requiring a separate configuration PROM. Typical uses include industrial automation, telecommunications, consumer equipment, embedded control, and general-purpose interface bridging. Its combination of 64 macro cells, 45 listed user I/Os, and a 1.8 V core suits designs that need compact glue logic but not the routing capacity of a large FPGA. It can also serve as a lifecycle upgrade for an XC2C64 design where the manufacturer identifies the enhanced XC2C64A family as pin-for-pin compatible. PCB design should preserve the 0.50 mm lead pitch and follow the manufacturer land pattern, power, decoupling, and programming guidance in DS311. Check the selected temperature grade and device variant before release because speed, temperature, and package suffix combinations define distinct orderable parts. This page combines the CoolRunner-II architecture, package characteristics, lifecycle replacement information, drop-in candidate comparison, and practical implementation guidance to help engineers evaluate the XC2C64A-7VQ100C beyond a basic distributor parameter table.

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XC2C64A-7VQ100I - 64-Macro-Cell 1.8V CPLD | AMD Xilinx
XC2C64A-7VQ100I

XC2C64A-7VQ100I - 64-Macro-Cell 1.8V CPLD | AMD Xilinx

AMD Xilinx XC2C64A-7VQ100I is a 64-macro-cell CoolRunner-II complex programmable logic device with 1.5K gates, a 1.8 V core, 0.18 µm CMOS technology, and a 100-pin VTQFP package. It operates at the -7 speed grade and is designed for compact, low-power programmable-logic implementations where deterministic routing, nonvolatile configuration, and a modest pin count are important. A complex programmable logic device, or CPLD, is a user-programmable semiconductor that combines programmable logic and programmable interconnect. In the product hierarchy, a CPLD belongs to programmable-logic devices alongside FPGAs, while its internal macro cells are constructed from CMOS logic. Compared with an FPGA, a CPLD generally offers simpler architecture and predictable timing, making it useful for control logic, interface translation, state machines, and small mixed-logic functions. The XC2C64A provides 64 macro cells and approximately 1.5K logic gates. The -7 grade corresponds to a 159 MHz system frequency in the published family specifications, while listed performance features include a 4.6 ns pin-to-pin logic delay. The device is optimized for 1.8 V systems and uses a 0.18 µm CMOS process. Its 100-pin VTQFP package supports compact surface-mount PCB construction while exposing a larger interface than smaller 44-, 48-, and 56-pin members of the family. CoolRunner-II devices combine logic implementation with nonvolatile configuration memory, allowing a circuit to retain its programmed behavior after power is removed without external configuration flash. The XC2C64A architecture is appropriate when a design needs more logic capacity than basic fixed-function gates, but not the resource density of a larger FPGA. Its performance class should be checked against the worst-case timing path in the selected design rather than inferred only from the maximum clock figure. Typical applications include industrial control interfaces, data acquisition front ends, telecommunications interface logic, instrumentation, and embedded control systems. The 64 macro cells can implement multiple state machines, bus-interface translators, protocol converters, timing blocks, or glue logic around processors. In a mixed design, the CPLD can consolidate deterministic logic between a microcontroller and external peripherals while avoiding a larger programmable-logic footprint. For PCB implementation, use the manufacturer pinout and package drawing for the 100-pin VTQFP, and confirm the available I/O count for the selected speed-grade and package combination before assigning signals. Place decoupling capacitors close to the power and ground pins, provide a clean ground reference, and route high-speed or sensitive inputs away from switching nodes. Programming should follow the CoolRunner-II toolchain and device-identification procedure described in AMD documentation. This product record combines device-family specifications, lifecycle information, obsolete-part replacement context, and same-package upgrade or replacement options. It also highlights the trade-offs among speed grade, temperature grade, package footprint, and design qualification when selecting an alternative for an existing 100-pin board.

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XC2C64A-7VQ44C - 64-Macrocell 6.7ns CPLD | AMD
XC2C64A-7VQ44C

XC2C64A-7VQ44C - 64-Macrocell 6.7ns CPLD | AMD

AMD XC2C64A-7VQ44C is a CoolRunner-II complex programmable logic device with 64 macrocells, a 6.7 ns maximum propagation delay, a 1.8 V internal supply, and a 44-pin VQFP package. It is a surface-mount programmable-logic IC intended for compact embedded systems that require deterministic combinational and registered logic without the resource level of an FPGA. The part uses 0.18 µm CMOS technology and belongs to the CoolRunner-II family of CPLDs. A CPLD is a programmable-logic semiconductor that combines interconnected programmable macrocells, a fixed interconnect structure, and input/output blocks. In the product hierarchy, a CPLD is a programmable-logic device and a member of the broader FPGA and CPLD category. Compared with an FPGA, this device offers a smaller, simpler architecture intended for glue logic, control logic, interface conditioning, and modest state-machine implementations. Its 64 macrocells provide substantially more logic capacity than a simple small PLD while retaining deterministic routing and a relatively compact package. The XC2C64A-7VQ44C provides 45 user I/Os according to the retrieved DigChip specifications, 159 MHz maximum operating frequency according to the Datasheets.com listing, and a 6.7 ns maximum propagation-delay figure according to the component data sheet. The -7 speed designation is associated with the 6.7 ns class, while the 1.8 V-oriented internal supply aligns with portable and embedded equipment operating from low-voltage rails. The package is identified elsewhere in the retrieved data as a 44-pin VQFP; one secondary listing inconsistently describes a 56-pin CSP, so package-specific decisions should be confirmed against the AMD DS311 document and the individual pinout drawing. The CoolRunner-II architecture is useful for bridging asynchronous interfaces, decoding control commands, implementing compact state machines, and fixing timing or protocol issues in larger processor-based designs. Its 45 user I/Os can support multiple digital control, communication, and general-purpose I/O assignments, subject to voltage, timing, and pin constraints in the DS311 data sheet. The 6.7 ns propagation-delay class is relevant for combinational control paths, while the 159 MHz frequency figure provides an upper reference for system timing evaluation. Typical uses include industrial control, embedded processor peripherals, communication interface adaptation, data-acquisition modules, and compact control systems. Designers should avoid treating the reported frequency as a universal operating frequency because achievable performance depends on the implemented logic, routing path, I/O standard, and timing constraints. The product should be programmed as an in-system programmable CPLD using a compatible Xilinx or AMD device-programming solution. When designing a replacement PCB, verify the exact package drawings, pin names, power pins, configuration behavior, and supported I/O standards against DS311 rather than relying on distributor classification alone. Ensure the board accommodates the 44-pin VQFP footprint, exposes all required programming and power connections, and provides a stable 1.8 V internal supply environment. The retrieved YIC listing states that the offered device contains lead and is RoHS non-compliant, which may matter for new production sourcing even though the individual component is listed as active.

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XC2C64A-7VQ44I - 64-Macrocell 1.8V CPLD | AMD Xilinx
XC2C64A-7VQ44I

XC2C64A-7VQ44I - 64-Macrocell 1.8V CPLD | AMD Xilinx

The AMD Xilinx XC2C64A-7VQ44I is a 1.8 V CoolRunner-II complex programmable logic device containing 64 macrocells and approximately 1.5K logic gates in a 44-pin VTQFP package. Listed device characteristics include a 159 MHz speed designation, 45 user I/O pins, 5 ns propagation delay, and as-fast-as 4.6 ns pin-to-pin logic delay. The device uses 0.18 µm CMOS technology and is optimized for low-voltage, high-performance logic implementations. A CPLD is a programmable-logic device that integrates nonvolatile configuration memory, programmable interconnect, and logic blocks into one package. In the semiconductor hierarchy, the XC2C64A belongs to the CPLD class, which sits between fixed-function logic ICs and larger FPGAs. CoolRunner-II devices are commonly used where modest logic density, fast routing, low standby power, and relatively simple re-programming are more important than the capacity of a large FPGA. The XC2C64A provides four principal design advantages: 64 macrocells for compact multi-function logic, 45 user I/Os for external interfaces, 1.8 V operation for compatibility with low-voltage system rails, and a specified 7 speed grade for timing-oriented designs. Its advertised 5 ns propagation delay and 4.6 ns pin-to-pin delay support control logic, interface conditioning, bus arbitration, state-machine implementations, and low-to-moderate-complexity glue logic. Its 0.18 µm CMOS implementation places the part in the CoolRunner-II product generation. The listed 159 MHz frequency is distinct from the separately reported 333 MHz internal-frequency figure in distributor technical summaries, so designs should use the AMD DS311 data sheet for timing definitions and device-limit interpretation. Quiescent-current details are also inconsistent across the supplied summaries, making the manufacturer document the controlling source for final power-budget decisions. Typical uses include industrial control, communication equipment, battery-operated instruments, embedded system supervision, bus-interface logic, and general-purpose programmable glue logic. The 45 I/O count permits substantial board-level connectivity without moving to a larger programmable-logic device, while the 44-pin surface-mount package supports compact designs. Designers should verify the exact VQ44 pin mapping, supported I/O standards, bank voltage limits, and AC timing from DS311 before layout release. Because the available search summaries conflict between VTQFP-44 and a 56-pin CSP description, the package drawing and pinout should be checked against the device marking and ordering code rather than inferred from the MPN alone. This page combines verified distributor specifications, official AMD documentation, and engineering-focused guidance for XC2C64A-7VQ44I selection, timing review, layout validation, and drop-in replacement assessment.

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XC2S50E-6PQG208C - Spartan-IIE FPGA, 50K Gates, 208-PQFP | AMD
XC2S50E-6PQG208C

XC2S50E-6PQG208C - Spartan-IIE FPGA, 50K Gates, 208-PQFP | AMD

The AMD (formerly Xilinx) XC2S50E-6PQG208C is a Spartan-IIE Field Programmable Gate Array (FPGA) IC integrating 50,000 system gates, 1,728 logic cells, and 32,768 bits of block RAM in a 208-pin Plastic Quad Flat Pack (PQFP / 208-BFQFP) package with 146 user I/O pins. It is built on a 0.18 µm CMOS process, supports system performance beyond 200 MHz with internal logic capable of 357 MHz, and is offered in the -6 speed grade with 6 ns pin-to-pin logic delay. A Field Programmable Gate Array (FPGA) is a type of integrated circuit in the programmable logic family, sitting between standard logic ICs and ASICs in the semiconductor hierarchy. FPGAs contain an array of configurable logic blocks (CLBs), programmable interconnect, and embedded memory that can be reconfigured post-manufacture to implement arbitrary digital logic. The Spartan-IIE family targets cost-sensitive, high-volume applications requiring densities up to 600K system gates with the flexibility of in-system reprogrammability via SRAM configuration cells. Key features of the XC2S50E include SelectIO™ signaling supporting 18 popular I/O standards including LVDS, LVTTL, LVCMOS, SSTL, and GTL; up to 384 CLBs (configurable logic blocks); four Delay-Locked Loops (DLLs) for clock de-skew and frequency synthesis; 32 kbit distributed RAM plus dedicated 4 kbit dual-port block RAM; and JTAG boundary-scan (IEEE 1149.1) for board-level testing. The device operates from a 2.5 V core supply with 1.5 V–3.3 V auxiliary supply for I/O flexibility. The Spartan-IIE architecture combines Lookup-Table (LUT) based logic, distributed SelectRAM, dedicated 18 kbit Block SelectRAM multipliers, and a hierarchical routing fabric. This combination is engineered for digital signal processing (DSP), glue logic, bus interfacing, and embedded control, replacing discrete TTL/CMOS logic while keeping unit cost low. Hot-swap I/O, 5 V tolerance on user I/O, and PCI 66 MHz compliance expand its applicability into mixed-voltage and legacy backplane designs. Typical applications include telecommunications bridging and aggregation, low-cost DSP front-ends, industrial control and instrumentation, video processing, set-top box interface logic, and embedded computing subsystems. The 208-PQFP with 1.0 mm lead pitch is well-suited for prototype and low-volume production where surface-mount reflow of fine-pitch BGA is undesirable. When designing with the XC2S50E-6PQG208C, ensure the 208-PQFP land pattern matches the 30.6 mm × 30.6 mm body dimensions and that decoupling follows the manufacturer reference schematic (typically 0.1 µF + 10 µF per supply rail). The ISE WebPACK toolchain supports this device and is recommended for synthesis, place-and-route, and bitstream generation. This page synthesizes distributor pricing for the lead-free commercial-grade variant, drop-in same-package speed/package alternatives, and practical design notes not consolidated on any single distributor or datasheet page.

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XC2V1500-4FFG896C - Virtex-II 1.5M Gates FPGA | AMD/Xilinx
XC2V1500-4FFG896C

XC2V1500-4FFG896C - Virtex-II 1.5M Gates FPGA | AMD/Xilinx

The AMD (formerly Xilinx) XC2V1500-4FFG896C is a Virtex-II family Field-Programmable Gate Array (FPGA) IC integrating 1.5 million system gates, 17,280 logic cells, and 884,736 bits of block RAM in a 896-ball Flip-Chip Fine-pitch Ball Grid Array (FFG/FCBGA) package. The '4' speed grade, commercial 'C' temperature (0C to 85C), and 528 user I/O make it suitable for high-density logic prototyping, embedded processing platforms, and high-speed serial interfacing using SelectIO and RocketIO-capable I/O standards (when paired with the appropriate family member). A Field-Programmable Gate Array (FPGA) is a semiconductor device built around a matrix of configurable logic blocks (CLBs), programmable interconnect, and I/O cells that the designer can reconfigure post-manufacture to implement arbitrary digital circuits, from glue logic to full processor subsystems. Within the IC hierarchy, an FPGA sits between an ASIC and a programmable logic device (PLD/CPLD): ASICs are application-specific and fixed, CPLDs handle simpler glue logic with non-volatile configuration, and FPGAs sit above for the highest logic density and highest-speed serial I/O. Virtex-II is the Xilinx generation built on a 0.15 micrometer CMOS process with 1.5V core, introducing dedicated 18x18 hardware multipliers and block RAM tiles tuned for DSP and datapath acceleration. Key parameters worth highlighting: 1.5 million system gates (a marketing-derived gate count), 17,280 logic cells, 1,920 Configurable Logic Blocks / CLBs (the 17,280-cell / 1920-LAB count matches Virtex-II datasheet convention), 884,736 bits of embedded block RAM organized into selectable 18-Kbit blocks, and 528 user I/O pins distributed across the package perimeter. The device supports configuration via SelectMAP, JTAG (IEEE 1149.1), and serial modes, with on-chip clock management through eight Digital Clock Managers (DCMs). Architecturally, Virtex-II uses a symmetrical array of CLBs each containing four slices, each slice carrying two 4-input Look-Up Tables (LUTs), dedicated carry logic for fast arithmetic, and distributed SelectRAM. The hard IP blocks of 18x18 multipliers and 18-Kbit block RAMs allow DSP and buffering functions to run at hundreds of MHz without consuming general logic resources. Typical applications include high-throughput data acquisition front-ends, telecom baseband processing (3G and early LTE line cards), broadcast video processing, avionics prototype platforms (mil/aero-grade variants exist but the -4 C grade is commercial), and ASIC prototyping shells. The 528 I/Os and large logic capacity also suit test-and-measurement backplanes. Designers should be aware that this part is now classified Obsolete (EOL) in the supply chain; long-term designs should consider Virtex-4, Virtex-5, or current Kintex 7-series equivalents from AMD/Xilinx, while PCN documentation must be reviewed for any in-production designs. Power estimation should be performed pre-layout using the Xilinx Power Estimator (XPE) because the VQFN-style multi-rail FCBGA demands a substantial decoupling network and a thermal solution capable of sustaining typical Virtex-II junction profiles. This page synthesizes distributor inventory from DigiKey, parametric data from the manufacturer Virtex-II datasheet, and practical pin-compatibility notes not bundled into the bare datasheet PDF.

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XC2VP7-6FF672 - Virtex-II Pro FPGA, 11K Cells, 396 I/O | AMD Xilinx
XC2VP7-6FF672

XC2VP7-6FF672 - Virtex-II Pro FPGA, 11K Cells, 396 I/O | AMD Xilinx

The AMD Xilinx XC2VP7-6FF672 is a Virtex-II Pro family Field Programmable Gate Array (FPGA) built on a 0.13um/90nm dual-process CMOS technology and housed in a 672-ball flip-chip BGA (FF672) package. It delivers 11,088 logic cells, 396 user I/O, 8 RocketIO multi-gigabit transceivers, and one embedded PowerPC 405 processor core, providing a complete system-on-chip platform for high-performance embedded designs. Virtex-II Pro FPGAs belong to the Platform FPGA family, which integrates hard IP such as multi-gigabit transceivers and embedded processor cores directly onto the programmable fabric. By combining hardware-accelerated serial I/O (RocketIO at up to 3.125 Gbps) with an embedded PowerPC 405 core, these devices enable designers to replace discrete ASSPs and reduce system BOM cost while accelerating time-to-market for networking, telecom, and embedded computing applications. Key features include 1,1088 logic cells, 792 Kbit of distributed SelectRAM, dedicated 18x18 multipliers for DSP blocks, 8 RocketIO serial transceivers, 1 hard PowerPC 405 processor core running up to 400 MHz, 396 maximum user I/O, and 27mm x 27mm FF672 package with 1.0mm ball pitch. The device supports common logic families via 1.5V core supply, 2.5V/3.3V-tolerant I/O, and is available in commercial (C) and industrial (I) temperature grades. The Virtex-II Pro architecture combines a configurable logic fabric (CLBs, slices, LUTs), block RAM, multipliers, DCM clock managers, and hard IP cores. The dual-process 0.13um/90nm CMOS process enables integration of the PowerPC 405 hard core and RocketIO transceivers, providing deterministic performance that soft processor cores on the fabric cannot match. Typical applications include 10 Gigabit Ethernet line cards, software-defined radio base stations, high-speed serial backplanes, telecom multiplexer/demultiplexer equipment, and embedded computing platforms. The integrated PowerPC 405 makes the part particularly attractive for systems requiring firmware-driven control with hardware-accelerated DSP and serial I/O. When designing with the XC2VP7-6FF672, use the Xilinx ISE Design Suite for synthesis, place-and-route, and bitstream generation. Multi-gigabit serial links require careful PCB layout with controlled-impedance differential traces; consult Xilinx application note XAPP681 for RocketIO board design guidelines. This page synthesizes AMD Xilinx distributor pricing, same-family drop-in alternatives (XC2VP7-5FF672I and XC2VP7-7FF672I in the same FF672 BGA), and practical design notes not found in the manufacturer datasheet.

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XC3090L-100PC84C - XC3000 FPGA 6K Gates 100MHz PLCC-84 | Xilinx
XC3090L-100PC84C

XC3090L-100PC84C - XC3000 FPGA 6K Gates 100MHz PLCC-84 | Xilinx

The Xilinx XC3090L-100PC84C is a 5V, 100MHz Field Programmable Gate Array from the legacy XC3000 family, housed in an 84-pin Plastic Leaded Chip Carrier (PLCC) package. It integrates approximately 6,000 usable gates and 320 Configurable Logic Blocks (CLBs) on a 5-micron CMOS process, making it one of the highest-density parts in the original XC3000 series. A Field Programmable Gate Array (FPGA) is a semiconductor integrated circuit composed of an array of configurable logic blocks, programmable interconnect, and input/output cells that engineers can program after manufacture. FPGAs sit within the broader taxonomy of programmable logic devices (PLD) and digital semiconductors, alongside CPLDs, ASICs, and microcontrollers. Unlike an ASIC (Application-Specific Integrated Circuit), an FPGA requires no photomask NRE and ships as a blank silicon canvas that the user programs via a hardware description language or schematic capture flow, then a vendor-specific bitstream. Key features of the XC3090L-100PC84C include a -100 speed grade, 144 logic-cell equivalent capability, and CMOS technology at a 5V supply. The device supports distributed RAM via CLB configuration and includes on-chip boundary-scan (IEEE 1149.1) test logic for board-level diagnostics. The PLCC-84 ceramic-compatible plastic package has a JEDEC-standard 1.27 mm pin pitch, allowing socket-mounting for prototyping or direct surface mounting for production. The XC3090L variant is the low-power evolution of the original XC3090, using a 3.3V core option in some speed grades while retaining 5V-tolerant I/O. The part is typically configured using the Xilinx XACT development environment with schematic capture, automatic place-and-route, logic and timing simulation, and an interactive design editor for design optimization. Designers should use timing calculator features and integrate with the standard design environment toolchain. Typical applications of the XC3090L-100PC84C include legacy telecommunications glue logic, industrial control state machines, prototyping ASICs, glue logic for vintage bus architectures such as VME and ISA, and educational FPGA laboratory kits. The 100MHz internal logic rate suits mid-speed glue-logic and bus-interface bridging tasks. When designing with this part, ensure adequate decoupling (one 0.1uF per supply pin cluster) and respect the 5V I/O voltage level. Note that the XC3000 family is NRND/EOL for new designs - consider Xilinx Spartan or Artix-7 for new projects unless maintaining legacy equipment. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, helping engineers source or replace this legacy FPGA with confidence.

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XC3090L-125PC84C - 5K-Gate FPGA, 125MHz, 84-Pin PLCC | Xilinx
XC3090L-125PC84C

XC3090L-125PC84C - 5K-Gate FPGA, 125MHz, 84-Pin PLCC | Xilinx

The Xilinx XC3090L-125PC84C is a CMOS Field Programmable Gate Array (FPGA) from the XC3000L low-voltage Logic Cell Array family, supplied in an 84-pin PLCC package. It features 320 Configurable Logic Blocks (CLBs), approximately 5000 equivalent logic gates, 928 flip-flops, and a maximum clock frequency of 125 MHz. The device operates from a 3.0 V to 3.6 V supply (typical 3.3 V), reflecting the L-suffix low-voltage variant of the classic XC3000 architecture. An FPGA (Field Programmable Gate Array) is a semiconductor integrated circuit composed of an array of configurable logic blocks, interconnect routing, and programmable I/O cells that can be electrically configured by the end user to implement arbitrary digital logic. FPGAs occupy the middle ground between fixed-function ASICs and software-programmable microcontrollers, offering parallel hardware execution, deterministic timing, and on-the-fly reconfigurability. The XC3000L family sits at the foundation of SRAM-based FPGA technology, with logical hierarchy: CLB -> logic cell array -> FPGA -> programmable logic device (PLD) -> digital integrated circuit. Key features of the XC3090L-125PC84C include 320 CLBs delivering roughly 5,000 usable gates, 928 edge-triggered flip-flops for pipelined or state-machine designs, a maximum toggle rate of 125 MHz, and 84 PLCC pins providing programmable I/O plus dedicated configuration, clock and JTAG interfaces. The device supports JTAG (IEEE 1149.1) boundary-scan for board-level test, in-system reprogrammability through the standard Xilinx XC3000 configuration bitstream, and a power-down mode that significantly reduces quiescent current for battery-friendly applications. Architecturally, the XC3090L implements the classic Xilinx XC3000 CLB with a 5-input lookup table feeding two flip-flops, a programmable interconnect matrix of single-length and double-length lines, and tri-state buffers that allow efficient implementation of muxes, busses, and tri-state I/O. The 125 MHz speed grade places it in the highest tier of the XC3090L family, enabling high-performance glue logic, custom state machines, and DSP-style bit-level pipelines on a single chip. Typical applications include legacy telecom interface glue logic, industrial control and instrumentation front ends, custom peripheral controllers for microprocessor systems, prototyping vehicles for ASIC verification, and reconfigurable test fixtures. Designers building long-life industrial equipment, military refresh programs, or replacement boards for existing XC3000-based systems remain the primary users of this classic part. Designers using the XC3090L-125PC84C should preserve the legacy 3.3 V supply rail, follow Xilinx XC3000 configuration mode recommendations (SelectMAP/serial master or slave), and respect the PLCC pin-out when laying out new PCBs or repairing legacy boards. This page combines distributor pricing, verified cross-reference data, and design notes that are not collected in the original Xilinx datasheet.

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XC3090L-6TQ176C - 3.3V 9000-Gate FPGA, 176-Pin TQFP | Xilinx
XC3090L-6TQ176C

XC3090L-6TQ176C - 3.3V 9000-Gate FPGA, 176-Pin TQFP | Xilinx

The Xilinx XC3090L-6TQ176C is a low-voltage (3.3 V) Logic Cell Array (LCA) FPGA from the legacy XC3000L family, integrating approximately 9,000 usable gates into a 176-pin TQFP (TQ) package. It is built on a 0.8-micron CMOS SRAM process with six speed-grade -6 timing, and is intended for digital logic prototyping and small-volume glue-logic designs where 5 V-only XC3000 parts are not an option. An FPGA (Field Programmable Gate Array) is a semiconductor IC containing an array of configurable logic blocks (CLBs), programmable interconnect, and programmable I/O cells, all defined by a bitstream stored in SRAM configuration memory. The XC3000L is the low-voltage (3.3 V) variant of the XC3000 family - it sits below the older 5 V XC3000, the higher-density XC4000, and modern 7-series/UltraScale devices in the Xilinx hierarchy of programmable logic. Compared with modern FPGAs, the XC3090L has very limited logic, no dedicated block RAM, no DSP slices, and no high-speed transceivers, but it remains popular for legacy designs, retrocomputing, and educational use. Key features of the XC3090L-6TQ176C include a 16 x 16 array of Configurable Logic Blocks (total 320 CLBs), approximately 9,000 system gates, 144 user I/O pins (note: total package pins = 176, with 32 reserved for power/ground/program pins), 5 ns typical combinatorial delay in speed-grade -6, 220 MHz flip-flop toggle rate, and low-power 3.3 V CMOS I/O. The TQ176 (TQFP-176) package provides a 1.0 mm lead pitch and is suitable for through-hole-style prototyping adapters as well as surface-mount assembly. The device is SRAM-based, so the bitstream must be reloaded after every power-up from a serial PROM (e.g., XC1736A) or microcontroller. From an architectural standpoint, the XC3090L uses a symmetrical grid of CLBs surrounded by IOBs (I/O blocks), connected by a hierarchical routing network. Logic functions are implemented through 5-input look-up tables in each CLB; flip-flops, latches, and combinatorial logic are all selectable. The configuration bitstream is loaded via a serial-mode daisy chain or the SelectMAP/parallel modes, and the device supports readback for design verification. Typical applications include legacy 3.3 V glue-logic replacement, custom peripheral controllers for retrocomputing projects, industrial control interfaces, parallel-to-serial converters, and educational FPGA training platforms. The wide 3.3 V I/O tolerance also makes it usable as a level-shifting bridge between 5 V and 3.3 V domains when paired with appropriate bus hold or pull-up resistors. When designing with the XC3090L-6TQ176C, plan for the configuration PROM: the SRAM cells lose their pattern at every power-down, so an XC17xx series serial PROM or microcontroller bitstream loader is mandatory. Decoupling must follow the datasheet guidelines (typically one 0.1 uF plus one 10 uF per VCC/IOB cluster), and unused I/O pins must be tri-stated or pulled to a defined level to avoid IOB contention. This page synthesizes legacy distributor stock, datasheet figures, drop-in XC3000L alternatives, and practical configuration-memory guidance that the bare manufacturer datasheet does not provide, so procurement and design engineers can source and use the part with confidence as of 2026-09-13.

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XC3090L-6TQ176I - XC3000L 320MHz FPGA 176-pin TQFP | Xilinx
XC3090L-6TQ176I

XC3090L-6TQ176I - XC3000L 320MHz FPGA 176-pin TQFP | Xilinx

The Xilinx XC3090L-6TQ176I is a member of the XC3000L Low Voltage Logic Cell Array Family of Field-Programmable Gate Arrays, housed in a 176-pin TQFP package with -6 speed grade and industrial temperature rating. The XC3000L family uses a low-voltage SRAM-based logic cell architecture optimized for low-power, high-density designs, and the XC3090L device delivers approximately 320 MHz of combinatorial logic performance with 100 I/O pins organized into four I/O banks for mixed-voltage interfacing. A Field-Programmable Gate Array (FPGA) is a programmable semiconductor device built around a matrix of configurable logic blocks (CLBs), programmable interconnect, and configurable I/O cells. Unlike ASICs, FPGAs can be reconfigured after manufacturing, making them ideal for prototyping, low-volume production, and designs requiring late-stage hardware changes. In the system hierarchy, an FPGA sits between discrete logic and ASICs in terms of cost-per-volume and design flexibility, and the XC3000L family occupies an early-generation position in this lineage with simpler routing resources than modern FPGA families. Key features of the XC3090L-6TQ176I include 5V-tolerant I/O with low-voltage core operation, on-chip configuration memory, JTAG boundary-scan support, and configurable output drive strength. The TQ-176 package offers a 1.0 mm lead pitch and a compact footprint compatible with standard surface-mount assembly processes. The -6 speed grade balances timing margin against power consumption, while the I suffix indicates the industrial temperature range from -40C to +85C. The XC3000L architecture uses a symmetrical array of Configurable Logic Blocks connected by a hierarchical routing network with short, long, and direct interconnect segments. Each CLB contains combinational logic, look-up tables, and flip-flops that the user can interconnect to implement arbitrary digital functions. Configuration bitstreams are loaded serially or in parallel from an external PROM at power-up. Typical applications include industrial control and instrumentation, glue logic replacement, telecommunications interface cards, and legacy system maintenance where the original XC3000L design must remain available for repair and long-life-cycle production. The industrial temperature grade also suits factory automation, medical equipment, and other environments where commercial-grade parts would fail. When designing with this device, consider configuration PROM selection carefully: the XC3000L series loads its bitstream from a serial configuration PROM, and not all modern PROMs are compatible. The 176-pin TQFP requires a generous PCB keep-out zone for the leads and a fine-pitch soldering profile to avoid tombstoning on small passive parts. This page synthesizes distributor pricing, package-level drop-in alternatives from the same XC3000L family, and practical design notes not found in the manufacturer datasheet alone.

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XC3090L-6TQG176C - XC3000L FPGA 6ns 138 I/O TQG176 | Xilinx
XC3090L-6TQG176C

XC3090L-6TQG176C - XC3000L FPGA 6ns 138 I/O TQG176 | Xilinx

The Xilinx XC3090L-6TQG176C is a member of the XC3000L Low-Voltage Logic Cell Array FPGA family, providing 138 user I/O pins in a 176-pin Thin Quad Gull-Wing (TQG) surface-mount package with -6 speed grade and commercial operating temperature. This device is part of the legacy XC3000L series that operates from a 3.3V supply, distinguishing it from the original 5.0V XC3000A family. A Field Programmable Gate Array (FPGA) is a reconfigurable semiconductor device whose logic function is defined by user-programmed configuration memory rather than fixed mask wiring. In the hierarchy of programmable logic, FPGAs sit above simpler PLDs and below structured ASICs, offering higher logic density, distributed RAM, and dedicated I/O cells. The XC3000L family specifically targets low-voltage (3.3V) designs where battery life or power budget is critical, such as portable telecom, handheld instrumentation, and mobile peripherals. Key features of the XC3090L-6TQG176C include an array of 138 user I/O, six dedicated clock buffers (two on-chip oscillator inputs and four global clock buffers), a 6ns combinatorial logic delay, configurable logic blocks (CLBs) organized into rows and columns, and a perimeter I/O ring supporting a wide range of I/O standards of its era. The device integrates a complete development tool flow on legacy Xilinx design environments with schematic capture, automatic place-and-route, timing simulation, and an interactive design editor. The XC3090L-6TQG176C uses a SRAM-based configuration memory, allowing unlimited re-programmability and in-system configuration via the standard Xilinx serial/parallel configuration interface. Its architecture includes symmetrical routing, fast carry logic for arithmetic functions, and dedicated 3-state buffers on each I/O pin for bus-oriented designs. The -6 speed grade delivers 6ns tpd on a typical combinatorial path. Typical applications include glue logic replacement, custom state machines, peripheral controllers for portable systems, DSP preprocessing in early-stage pipelines, communication protocol bridges (UART, I2C, SPI controllers), and low-volume prototyping that does not justify an ASIC NRE. The 3.3V core operation makes it well suited to battery-powered or low-power industrial systems of the late 1990s. When designing with this FPGA, be aware of its legacy status. Designers should verify that the 3.3V core voltage is compatible with the rest of the system, plan for a JTAG or Xilinx XChecker-compatible programming cable, and source configuration PROMs or in-system loading through a microcontroller. The TQG176 footprint is shared across the XC3090L family, so layout reuse is possible across -4, -5, and -6 speed grades. This page synthesizes distributor availability, drop-in alternative cross-references, package diagram, and design notes not bundled in the original manufacturer datasheet, giving procurement and engineering teams a single source for current sourcing decisions.

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XC3090L-6TQG176I - XC3000L 3.3V FPGA 900 Gates | Xilinx TQG176
XC3090L-6TQG176I

XC3090L-6TQG176I - XC3000L 3.3V FPGA 900 Gates | Xilinx TQG176

The Xilinx XC3090L-6TQG176I is a 3.3 V low-voltage member of the Xilinx XC3000L Logic Cell Array family, packaged in a 176-pin Thin Quad Flat Pack (TQG176) and providing approximately 900 usable gates with 6 ns combinatorial delay. It is part of the original Xilinx XC3000 generation of SRAM-look-up-table FPGAs, targeting low-voltage 3.3 V systems where the original 5 V XC3000 family could not be used directly. An FPGA (Field Programmable Gate Array) is a programmable logic device whose core is an array of configurable logic blocks (CLBs) surrounded by a perimeter of programmable input/output blocks (IOBs), with a programmable interconnect matrix tying them together. The hierarchy runs: logic cell -> CLB -> FPGA -> programmable logic -> digital IC. The XC3000L subfamily is one of the earliest commercial SRAM-based FPGA lines, and the 'L' suffix denotes the 3.3 V variant of the original XC3000 architecture, allowing operation in mixed-voltage boards that were already migrating from 5 V to 3.3 V logic rails. Key features of the XC3090L include a 3.3 V core supply (VCC), 5 V tolerant I/O on selected parts, on-chip configuration logic with five configuration modes, boundary-scan (JTAG) support, and readback capability. The '6' speed grade corresponds to a combinatorial logic delay of roughly 6 ns and a flip-flop toggle rate near 80 MHz in the XC3000L process. The 'I' suffix indicates an industrial temperature grade of -40C to +85C. Typical applications include telecom interface glue logic, industrial control and instrumentation front-ends, prototyping of ASIC designs before HardCopy migration, and legacy equipment where the XC3000L footprint is already committed on the PCB. Designers using the XC3090L can prototype on the SRAM-based FPGA and migrate to a HardCopy Stratix equivalent for volume production using the same package pinout.

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XC3090L-7TQ176C - XC3000L Low-Voltage FPGA | Xilinx | 176-pin TQFP
XC3090L-7TQ176C

XC3090L-7TQ176C - XC3000L Low-Voltage FPGA | Xilinx | 176-pin TQFP

The Xilinx XC3090L-7TQ176C is a member of the XC3000L Low-Voltage Logic Cell Array family, a legacy field-programmable gate array (FPGA) designed for low-voltage (3.3 V) operation in a 176-pin TQFP package with -7 speed grade and commercial temperature range. As a programmable logic IC from the Xilinx XC3000 series, it combines SRAM-based configuration with a fine-grained logic cell architecture optimized for glue logic, control plane, and state-machine designs. A field-programmable gate array (FPGA) is a type of integrated circuit that can be configured by the customer or designer after manufacturing to implement arbitrary digital logic. FPGAs sit between programmable logic devices (PLDs/CPLDs) and application-specific integrated circuits (ASICs) in the silicon hierarchy, offering higher density than PLDs and lower NRE cost than ASICs. The XC3000L family is the low-voltage derivative of the original XC3000 architecture introduced in the early 1990s, designed for 3.3 V systems where the standard 5 V XC3000 family could not operate. Key features of the XC3090L include an SRAM-based configuration memory, an abundant count of configurable logic blocks (CLBs) and user I/O for a part of its era, and a -7 speed grade rating that places it within the standard performance bin of the family. The device is offered in the TQ176 package - a 176-pin thin quad flat pack with gull-wing leads suitable for surface-mount assembly. The commercial temperature suffix ("C") denotes 0 °C to +85 °C operation. Architecturally, the XC3090L uses a symmetrical array of configurable logic blocks surrounded by a perimeter of user-programmable I/O blocks (IOBs). Interconnect is provided by a hierarchical routing network driven by metal-mask or SRAM programming. A configuration bitstream loaded into on-chip SRAM defines all logic, routing, and I/O behavior, allowing unlimited re-programmability but requiring an external configuration memory on power-up. Typical applications for the XC3090L-7TQ176C include legacy telecom interface cards, industrial control and instrumentation, test equipment glue logic, prototype ASIC replacement, and educational hardware platforms. Designers maintaining installed-base systems with XC3000L silicon continue to source this part for repair and field replacements. When designing with this legacy FPGA, note that the -7 speed grade corresponds to a specific timing window within the family; designers should consult the original Xilinx datasheet and use the XACTstep or Foundation toolchain for synthesis, place-and-route, and bitstream generation. Configuration storage requires an external EPROM or microcontroller since SRAM cells are volatile. This page synthesizes distributor stock data, drop-in same-package alternatives, and practical sourcing guidance for engineers maintaining XC3000L designs - information not found in any single distributor listing.

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XC3090L-7TQ176I - 3.3V Logic Cell Array FPGA, 176-pin TQFP | Xilinx
XC3090L-7TQ176I

XC3090L-7TQ176I - 3.3V Logic Cell Array FPGA, 176-pin TQFP | Xilinx

The Xilinx XC3090L-7TQ176I is a member of the XC3000L Low-Voltage Logic Cell Array family, a static RAM-based field-programmable gate array (FPGA) housed in a 176-pin Thin Quad Flat Pack (TQFP) package with industrial temperature grade. The XC3000L family targets low-voltage 3.3V operation while preserving the original XC3000 architecture, making it suitable for designs migrating from 5V to 3.3V logic rails. Per the XC3090L datasheet, the device integrates configurable logic blocks (CLBs), a perimeter of programmable input/output blocks (IOBs), and a programmable interconnect matrix. A field-programmable gate array (FPGA) is a type of programmable logic device (PLD) that allows designers to configure digital logic circuits after manufacturing. Within the semiconductor hierarchy, FPGAs sit between application-specific integrated circuits (ASICs) and small-scale programmable logic; they offer higher integration than discrete gate arrays and faster time-to-market than full ASICs, which is precisely why the XC3000L family was adopted across industrial, telecom, and embedded applications in the late 1990s and early 2000s. Key differentiating features of the XC3090L include roughly 9000 system gates, 320 configurable logic blocks, a 5 ns pin-to-pin logic delay at the -7 speed grade, and 3.3V core operation with 5V-tolerant I/O options. The device supports on-chip configuration via serial or parallel modes and is in-system programmable through the Xilinx XC3000 configuration bitstream format. Boundary-scan (JTAG, IEEE 1149.1) compatibility is part of the family baseline. Architecturally, the XC3090L uses SRAM configuration memory, meaning it is volatile and must be reconfigured at every power-up. The interconnect is a hierarchical routing matrix connecting CLBs through single-length, double-length, and long-line segments. This routing fabric, combined with the -7 speed grade, makes the part a credible choice for glue-logic, bus-interface bridges, and small state-machine controllers rather than high-throughput DSP. Typical applications include industrial serial-protocol bridges (UART, SPI, I2C controllers), legacy peripheral interfaces in test and measurement equipment, glue logic between microprocessors and memory buses, low-density state-machine controllers in instrumentation, and ASIC prototyping where pin-compatibility with the TQFP-176 footprint is mandatory. Designers often pair this part with an external configuration PROM such as the XC1736. One critical design consideration is that the XC3000L family is no longer recommended for new designs; Xilinx has issued multiple end-of-life notices across the XC3000L series, so longevity planning and last-time-buy inventory buffers should be considered. Engineers should verify the latest lifecycle status from Xilinx before committing the part to long-lifecycle products. This page synthesizes distributor pricing snapshots, cross-reference observations, and practical design notes that are not collated in any single manufacturer document, providing a one-stop reference for engineers evaluating the XC3090L-7TQ176I for legacy or refurbishment projects.

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XC3090L-7TQG176C - XC3000L 5,000 Gates FPGA | Xilinx | TQG176
XC3090L-7TQG176C

XC3090L-7TQG176C - XC3000L 5,000 Gates FPGA | Xilinx | TQG176

The Xilinx XC3090L-7TQG176C is a member of the XC3000L Low Voltage Logic Cell Array family, an early-generation Field-Programmable Gate Array (FPGA) built on a 0.8-micron CMOS process. The device integrates approximately 5,000 usable gates (with up to 9,000 gates peak), a 144-bit-wide Configurable Logic Block (CLB) array of 100 CLBs, and 144 dedicated I/O pins, all housed in a 176-pin TQG thin quad flat pack (TQFP) package. What is an FPGA? A Field-Programmable Gate Array is a programmable logic device that lets designers implement arbitrary digital logic through a configurable array of logic blocks, interconnect, and I/O cells. The XC3000L family is a low-voltage (3.3 V) extension of the classic XC3000 architecture, optimized for portable, low-power, and battery-backed designs where the original 5.0 V XC3000 parts were unsuitable. Key features of the XC3090L-7TQG176C include SRAM-based configuration (reprogrammable in-system), boundary-scan (JTAG) support, on-chip crystal oscillator amplifier circuitry, and tri-state output buffers capable of driving 8 mA source and 24 mA sink. The -7 speed grade indicates a logic cell toggle delay in the range of 1.3-1.5 ns with typical system clock rates up to 60 MHz, while the C suffix denotes commercial temperature grade (0C to +85C). The TQG176 package is a 1.4 mm-thin surface-mount TQFP. The XC3000L architecture uses a symmetrical CLB matrix surrounded by I/O blocks, with a hierarchical routing network driven by a binary tree of routing channels. Configuration is loaded from an external serial EPROM (bit-serial mode) or 8-bit parallel PROM at power-up; the device can also be reconfigured in-system via JTAG. Typical applications include glue logic replacement, custom state machines, bus interface bridges, low-volume ASIC prototyping, and legacy industrial controllers. Designers choose XC3000L parts today almost exclusively for sustaining long-life products and legacy system repairs where re-qualification of newer FPGA silicon is cost-prohibitive. When designing with this device, ensure your configuration memory (Xilinx XC17xx serial PROM or compatible) is properly selected for 3.3 V operation. The XC3000L series requires all I/Os to be referenced to a single VCCO bank; mixed-voltage I/O requires external level shifters, unlike modern multi-bank FPGAs. This page synthesizes distributor stock signals, drop-in TQG176 alternatives from the same Xilinx XC3000L family, and design notes based on the original Xilinx XC3000L datasheet family specification - giving engineers a single reference for sustaining and sourcing legacy XC3000L designs.

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XC3090L-7TQG176I - 3200 Gates FPGA, 176-pin TQG, -40C to +100C | Xilinx
XC3090L-7TQG176I

XC3090L-7TQG176I - 3200 Gates FPGA, 176-pin TQG, -40C to +100C | Xilinx

The Xilinx XC3090L-7TQG176I is a member of the XC3000L Low-Voltage Logic Cell Array FPGA family, integrating approximately 3200 usable gates in a 176-pin Thin Quad Gulp (TQG) plastic surface-mount package. It is the low-voltage (3.3 V Vcc core) evolution of the original 5 V XC3000 family, designed for portable and power-sensitive digital logic designs. The -7 speed grade and -I industrial temperature range (-40C to +100C) suffix make this part suitable for harsh-environment industrial, telecom, and embedded controller applications. A Field-Programmable Gate Array (FPGA) is a semiconductor integrated circuit that can be configured by the customer after manufacture to implement arbitrary digital logic. FPGAs sit at the top of the programmable logic hierarchy, above CPLDs, and below structured ASICs. The XC3000L family belongs to the very first generation of SRAM-based Look-Up-Table (LUT) FPGAs, where each Configurable Logic Block (CLB) contains a small LUT and a flip-flop. Compared to modern 7 nm FPGAs, the XC3000L is severely resource-limited but remains valuable as a low-cost glue-logic substitute, a maintenance replacement for legacy boards, or a teaching vehicle for classic HDL synthesis flows. Key features of the XC3090L include 100 Configurable Logic Blocks (CLBs) yielding 3200 usable gates, 144 dedicated flip-flops, 176 user I/O pins, and on-chip distributed SelectRAM. The device is fabricated on a 0.6 um CMOS SRAM process and is in-system programmable via a standard JTAG (IEEE 1149.1 boundary-scan) interface or the legacy Xilinx XACT parallel configuration port. It supports 3.3 V core and 3.3 V/5 V tolerant I/O, making it a drop-in logic upgrade for boards originally populated with the 5 V XC3090. Typical applications span industrial control logic, legacy telecom backplane glue logic, prototyping and education platforms, and aerospace test equipment retrofits where long-term parts continuity and the Xilinx XACT toolchain still hold value. Designers transitioning a design from the 5 V XC3090 to the XC3090L benefit from lower power consumption and reduced heat dissipation while keeping the same architectural footprint and development flow.

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