XC3090L-8PCG84I - XC3000L FPGA 6K Gates 84-PLCC | Xilinx
MPN: XC3090L-8PCG84I ✗ End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $95 | $95.00 |
| 10 | $85.5 | $855.00 |
| 100 | $76 | $7,600.00 |
| 500 | $68.4 | $34,200.00 |
| 1,000 | $61.75 | $61,750.00 |
Drop-in alternatives for XC3090L-8PCG84I — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
XC3090L-8PC84I
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$55 / Unit
View Datasheet →XC3090L-8PC84C
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$24.95 / Unit
View Datasheet →XC3090L-8PCG84C
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$26.1 / Unit
View Datasheet →XC3090L-8PC84BKJ
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$19.2 / Unit
View Datasheet →XC3090L-8PQG84I
✅ Drop-In📋 Reference alternative (not in catalog)
XC3090L-8PCG84I Maximum Ratings & Electrical Characteristics
| Family | XC3000L Low-Voltage Field Programmable Gate Array |
| Usable Gates | 6,000 |
| Configurable Logic Blocks (CLBs) | 320 |
| User I/O Pins | 70 |
| Supply Voltage | 3.3 V |
| Maximum Toggle Frequency | 80 MHz |
| Speed Grade | -8 |
| Package | 84-pin PLCC (PCG84) |
| Mounting Type | Through-Hole (PLCC socket) |
| Operating Temperature | -40 °C to +85 °C (Industrial) |
| Configuration Memory | SRAM (volatile, reload required at power-up) |
| Process Technology | CMOS SRAM-based FPGA |
| I/O Standards | TTL, CMOS |
| Development Tool | XACT (Xilinx Classic), XC3000 design flow |
| Programmable Elements | IOBs, CLBs, Programmable Interconnect |
| Boundary Scan | Yes (per XC3000 family) |
XC3090L-8PCG84I 84-pin plcc (pcg84) Pin Configuration Guide
Complete pinout information for XC3090L-8PCG84I (84-pin plcc (pcg84) package) with 70 pins. This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for XC3090L-8PCG84I.
Refer to the datasheet for full pin configuration.
Estimated pin count: 70 pins (digital package)
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this digital IC. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
XC3090L-8PCG84I is suitable for 6 applications: Legacy TTL/MSI Logic Replacement, Industrial Control Glue Logic, Custom VLSI Prototyping, Telecommunications Interface Adaptation, Educational FPGA Lab Kits, Aerospace and Defense Legacy Avionics.
Legacy TTL/MSI Logic Replacement
The XC3090L-8PCG84I fits legacy TTL/MSI logic replacement because its 6,000 usable gates and 320 CLBs are sufficient to consolidate dozens of 74-series TTL packages into a single reprogrammable device, reducing board area and power consumption on legacy 3.3 V systems. The industrial -40C to +85C temperature grade and ceramic-compatible PCG84 package finish allow direct insertion into existing sockets. Designers typically capture the original TTL schematic in the XACT development tool, perform automatic place-and-route, and verify timing against the 80 MHz toggle rate to confirm feasibility.
Recommended
Industrial Control Glue Logic
The XC3090L-8PCG84I is well suited to industrial control glue-logic consolidation because the 70 user I/Os, 3.3 V supply, and industrial -40C to +85C rating match factory-floor PLC backplanes and motor-drive auxiliary logic boards. The PCG84 ceramic-compatible carrier tolerates humidity and thermal cycling on continuous-operation lines. The 80 MHz toggle rate comfortably handles encoder decoding, PWM generation, and serial protocol bridging in typical industrial designs, and the SRAM-based configuration allows field firmware updates via EPROM swap.
Recommended
Custom VLSI Prototyping
The XC3090L-8PCG84I serves custom VLSI prototyping because its 6K-gate capacity and full Xilinx XC3000 design flow let engineers iterate hardware prototypes in days rather than months, accelerating ASIC pre-silicon verification. The 84-pin PLCC package is breadboard-friendly, allowing rapid I/O probing. With an 80 MHz toggle rate, it is fast enough for most pre-silicon validation of bus interfaces, state machines, and datapaths prior to ASIC tape-out, and the volatile SRAM configuration makes design revisions trivial.
Recommended
Telecommunications Interface Adaptation
The XC3090L-8PCG84I fits telecom interface adaptation because its 70 user I/Os, 80 MHz toggle rate, and industrial temperature grade suit legacy line-card glue logic, UART multiplexing, and protocol conversion in central-office equipment. The 3.3 V supply aligns with modern telecom ASIC rails, while the PLCC through-hole package is preferred for field-replaceable line cards that must survive vibration and thermal-cycling. The SRAM-based configuration allows remote firmware updates via the board's existing management interface.
Recommended
Educational FPGA Lab Kits
The XC3090L-8PCG84I is widely deployed in educational FPGA lab kits because the legacy XACT toolchain, simple SRAM configuration, and breadboard-friendly PLCC package make it ideal for teaching digital design fundamentals at the university level. Students learn CLB-based logic synthesis, IOB configuration, and XC3000 timing closure without the overhead of modern Vivado flows. The industrial temperature grade also lets the same part be reused for senior-design project boards that may be deployed in less-controlled environments.
Recommended
Aerospace and Defense Legacy Avionics
The XC3090L-8PCG84I continues to be specified in aerospace and defense legacy avionics because the PCG ceramic-compatible PLCC carrier and industrial temperature grade meet the long-term reliability and humidity-resistance requirements of military and aerospace retrofit programs. Many fielded platforms have decades-long support windows for which modern FPGAs cannot be re-qualified, and the XC3000L family is explicitly listed in several legacy MIL-STD and DO-160 qualified BOMs. The SRAM-based configuration also allows mission-specific firmware loads for different platforms sharing the same hardware.
Recommended
Recommended Products Summary
Engineering reference data for XC3090L-8PCG84I — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | XC3090L-8PC84I | XC3090L-8PC84C | XC3090L-8PCG84C | XC3090L-8PC84BKJ | XC3090L-8PQG84I |
|---|---|---|---|---|---|---|
| Package | 84-pin PLCC (PCG84) | 84-pin PLCC (PC84) - drop-in compatible | 84-pin PLCC (PC84) - drop-in compatible | 84-pin PLCC (PCG84) - same package | 84-pin PLCC (PC84) - drop-in compatible | 84-pin PQ-style (PQG84) - requires socket adaptation |
| Brand | Xilinx | Xilinx (same brand) | Xilinx (same brand) | Xilinx (same brand) | Xilinx (same brand) | Xilinx (same brand) |
| Usable Gates | 6,000 | 6,000 | 6,000 | 6,000 | 6,000 | 6,000 |
| Configurable Logic Blocks (CLBs) | 320 | 320 | 320 | 320 | 320 | 320 |
| User I/O Pins | 70 | 70 | 70 | 70 | 70 | 70 |
| Supply Voltage | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V |
| Maximum Toggle Frequency | 80 MHz | 80 MHz | 80 MHz | 80 MHz | 80 MHz | 80 MHz |
| Operating Temperature Grade | Industrial (-40C to +85C) | Industrial (-40C to +85C) | Commercial (0C to +70C) | Commercial (0C to +70C) | Industrial (-40C to +85C) | Industrial (-40C to +85C) |
| Package Finish | Ceramic-compatible PLCC (PCG) | Standard PLCC (PC) | Standard PLCC (PC) | Ceramic-compatible PLCC (PCG) | Standard PLCC (PC) - BKJ lot suffix | PQ-style (PQG) carrier |
| Approximate Unit Price (as of 2026-09-13) | $95.00 | $80-85 | $70-75 | $80-85 | $75-80 | $85-90 |
Key Differentiators
- Ceramic-compatible PLCC carrier finish (PCG) for ruggedised deployments (vs XC3090L-8PC84I)
- Industrial temperature grade (-40C to +85C) for harsh-environment operation (vs XC3090L-8PC84C / XC3090L-8PCG84C)
- Higher speed grade (-8) of the XC3000L family (vs XC3090L-7TQG176I / XC3090L-125PC84C)
- 84-pin PLCC J-leaded package for through-hole sockets (vs XC3090L-7TQG176I (176-pin TQFP))
Design Notes
The XC3090L-8PCG84I uses volatile SRAM configuration, meaning the bitstream is lost at every power-down. A serial-configuration EPROM (XC17xx series) or external microcontroller must reload the bitstream on every power-up; missing this step is the single most common reason legacy boards fail to boot. Also note that the XC3000L is NOT 5V-tolerant: applying 5 V TTL levels to I/O pins when VCC is 3.3 V will damage the device. Use level-shifters when interfacing with 5 V logic.
Estimated: at VCC=3.3 V, 70 I/Os toggling at 80 MHz with 50% toggle rate, the device core power is approximately 0.4-0.6 W; the PLCC-84 package with no heatsink relies on the copper pour around the socket for thermal dissipation. At industrial temperatures (-40C to +85C ambient), ensure the socket area has at least 1 square inch of continuous ground-plane copper for adequate heat spreading. Forced-air cooling is recommended for fully-loaded 80 MHz designs above 70C ambient.
Place the configuration EPROM (Xilinx XC17xx series) as close as possible to the FPGA's serial-mode pins (CCLK, DIN, DONE, INIT) and route these traces first - configuration timing is more critical than user logic timing for first-time board bring-up. Add 0.1 uF decoupling capacitors on every VCC pin pair (typically 4-6 pairs on the XC3090L PCG84 package) and a single 10 uF bulk capacitor near the package. Keep the configuration clock trace short to avoid signal-integrity issues during power-on reset.
Route all clock inputs (GCK) with controlled impedance and short traces to minimise skew; the XC3000L internal clock buffer can drive up to 8 global clock nets but skew accumulates over long traces. Keep user I/O traces away from the CCLK configuration clock trace to avoid crosstalk during the configuration sequence. For high-toggle-rate outputs (>50 MHz), add 33 ohm series-termination resistors to dampen reflections on long PCB traces.
Compliance Information
The XC3090L-8PCG84I is a legacy Xilinx FPGA released prior to widespread RoHS/REACH compliance; specific compliance status for the PCG84 package variant is not available in the verified web data and is marked [DATA_NEEDED]. Industrial temperature grade (-40C to +85C) is per the Xilinx XC3000L family specification, but AEC-Q100 automotive qualification is not applicable for this legacy through-hole PLCC family.
