XILINX XC4028EX-3PG299I

Mfr. Part

XC4028EX-3PG299I

Manufacturer

AMD Xilinx

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Detailed Description

XC4028EX-3PG299I is an AMD Xilinx XC4000EX family FPGA

Speed grade -3 for high performance timing

Industrial temperature grade I for -40°C to +85°C operation

PG299 package for high pin-count designs

SRAM-based, in-system reprogrammable logic for fast prototyping and production

Designed for flexible digital logic, state machines, bus interfaces, and custom datapaths

Typical system-gate class around 28k, with rich routing and configurable logic blocks

Key Features

SRAM-based FPGA, reprogrammable and field-upgradeable

Configurable Logic Blocks with fast carry chains for arithmetic logic

Rich routing resources for complex interconnect

Global clock networks for low-skew high-speed designs

Programmable I/O with TTL/CMOS support

Multiple configuration options (serial and parallel)

Industrial temperature support for harsh environments

Mature tool support through Xilinx ISE ecosystem

Proven reliability in legacy and long-life systems

Key Advantages

Short time to market with rapid iteration and reprogramming

Flexible replacement for custom logic ASICs in legacy equipment

Stable, mature platform with broad community and documentation

Industrial grade reliability for extended temperature ranges

Cost-effective solution for maintenance and redesign of existing systems

Strong ecosystem of IP cores, reference designs, and application notes

Packaging

Type: PG299 Plastic Pin Grid Array (PGA), 299-pin high-density grid

Material: Molded epoxy package body, copper leadframe, gold-plated pins

Size: High-pin-count PGA footprint; refer to datasheet mechanical drawing for exact outline and pitch

Pin configuration: 299-pin matrix grid with grouped I/O banks; dedicated pins for configuration and control (e.g., PROG, INIT, DONE, CCLK, DIN), multiple VCC and GND pins for stable power

Thermal characteristics: Industrial temperature range -40°C to +85°C; thermal behavior depends on airflow and board design; consider heat spreaders or airflow for high-speed or dense designs

Electrical properties: CMOS SRAM-based core; speed grade -3 supports faster timing; I/O compatible with common TTL/CMOS levels; consult datasheet for supply voltage, I/O standards, and timing

Lifecycle

Status: Legacy product family; availability is limited and may be approaching or at discontinuation

Drop-in equivalents: None known for direct pin-for-pin replacement in PG299

Functional alternatives within AMD Xilinx:

- XC4028XL (3.3V variant in the XC4000XL family; check package and pinout)

- XC4013E, XC4010E, XC4036EX (different densities within XC4000E/EX; check package and timing)

- Spartan-3 family (e.g., XC3S200, XC3S400) for cost-effective modern replacement

- Spartan-6 family (e.g., XC6SLX9, XC6SLX16) for improved performance and lower power

- Artix-7 family (e.g., XC7A35T, XC7A50T) for modern low-power, high-performance designs

Note: Newer families are not pin-compatible; migration requires redesign. If you need exact-fit or vetted alternatives, contact our sales team on the Y-IC website for detailed guidance.

Key Application Areas

Industrial control and automation, PLC and motion control

Telecom and networking interfaces, legacy backplane logic

Embedded systems glue logic and custom peripherals

Bus bridges, protocol adapters, and memory controllers

Test and measurement equipment, instrumentation

Medical and aerospace maintenance of long-life platforms

Education and research for FPGA-based prototyping

Datasheet

Y-IC provides the most authoritative datasheet for XC4028EX-3PG299I on our product page

We recommend downloading the datasheet now for exact electrical, timing, mechanical, and configuration details

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