XC3090L-8TQ144C - 320 CLB FPGA, 80MHz, TQFP-144 | Xilinx
MPN: XC3090L-8TQ144C β End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $38.5 | $38.50 |
| 10 | $34.2 | $342.00 |
| 100 | $30.1 | $3,010.00 |
| 500 | $27.45 | $13,725.00 |
| 1,000 | $25 | $25,000.00 |
Drop-in alternatives for XC3090L-8TQ144C β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
XC3190L-8TQ144C
β Drop-In β οΈ εζ°εΎ ιͺθ―π Reference alternative (not in catalog)
XC3195A-8TQ144C
β Drop-In β οΈ εζ°εΎ ιͺθ―π Reference alternative (not in catalog)
XC3090L-8TQG144C
β Drop-In β οΈ εζ°εΎ ιͺθ―π Reference alternative (not in catalog)
XC3090L-7TQ144C
β Drop-In β οΈ εζ°εΎ ιͺθ―π Reference alternative (not in catalog)
XC3100L-8TQ144C
β Drop-In β οΈ εζ°εΎ ιͺθ―π Reference alternative (not in catalog)
XC3S50A-4TQG144C
β Drop-Inπ Reference alternative (not in catalog)
XC3090L-8TQ144C Maximum Ratings & Electrical Characteristics
| Family | XC3000 (XC3090L) |
| Product Type | Field Programmable Gate Array (FPGA) |
| Process Technology | CMOS, low-power (L suffix) |
| Configurable Logic Blocks (CLBs) | 320 |
| Equivalent Gates | ~5000 |
| Maximum Usable Gates | 6000 |
| Maximum System Clock Frequency | 80 MHz |
| Combinatorial CLB Delay | 6.7 ns max |
| Flip-Flop Toggle Rate | 190 to 370 MHz |
| Logic Delay Range | 1.55 to 4.1 ns |
| Supply Voltage (Vcc) | 3.0 V to 3.6 V |
| Output Sink Current | 8 mA |
| Output Source Current | 8 mA |
| Quiescent / Power-Down Current | 5 mA max |
| Package | TQFP-144 (LFQFP, gull-wing) |
| Terminal Count | 144 |
| Terminal Form | Gull Wing |
| Package Code | LFQFP |
| Mounting Type | Surface Mount |
| Pin/Package Compatibility | 100% compatible with XC3000A/L and XC3100A/L families |
| Configuration Method | Serial/parallel EPROM, master/slave modes |
| RoHS Status | unknown |
XC3090L-8TQ144C 100% compatible with xc3000a/l and xc3100a/l families Pin Configuration Guide
Complete pinout information for XC3090L-8TQ144C (100% compatible with xc3000a/l and xc3100a/l families package). 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-8TQ144C.
Refer to the datasheet for full pin configuration.
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-8TQ144C is suitable for 6 applications: Legacy Industrial Glue-Logic Replacement, ASIC Emulation and Prototyping, Telecom Backplane Pre-Processing, State-Machine and Protocol Controllers, Digital Signal Pre-Processing, Aerospace and Defense Legacy Avionics.
Legacy Industrial Glue-Logic Replacement
The XC3090L-8TQ144C is widely used as glue-logic replacement in long-life industrial control systems originally designed in the mid-1990s. Its 320 CLBs and 5000 equivalent gates are well matched to 74LS/74F TTL replacement tasks including bus arbitration, address decoding, and custom state-machine controllers. The 80 MHz system clock and 6.7 ns combinatorial delay comfortably handle 33 MHz PCI and 40 MHz ISA bus cycles, while the 8 mA I/O drive directly drives 5 V tolerant buffers with a single resistor. Its low 5 mA quiescent current is also acceptable for battery-backed applications, and the 100% pin-compatible XC3100A/L family offers a drop-in upgrade path when the original part becomes scarce.
Recommended
ASIC Emulation and Prototyping
Engineers used the XC3090L-8TQ144C as an ASIC emulation vehicle for pre-silicon validation of custom gate-array designs. The 320 CLBs implement approximately 5000 gates of random logic, sufficient for UART controllers, FIFO address generators, and protocol bridges such as I2C-to-SPI converters. Its 80 MHz system clock allows real-time verification of bus timing at production rates, and the SRAM-based configuration supports rapid design iterations via JTAG or slave-serial programming. The TQFP-144 package is footprint-compatible with the larger XC3190L and XC3195A devices, allowing designers to scale emulation capacity without re-laying-out the prototype PCB.
Recommended
Telecom Backplane Pre-Processing
The XC3090L-8TQ144C served telecom backplane designs as a pre-processor for serial-to-parallel conversion, framing, and clock-recovery functions. Its 320 CLBs support 8B/10B encoding, HDLC framing, and elastic buffer management at line rates up to 80 MHz, which is adequate for E1/T1 (2.048/1.544 Mbps) and early Ethernet (10/100 Mbps) data paths. The device's eight global clock buffers accommodate multiple recovered clock domains, while the 5 mA quiescent current and 3.3 V supply simplify integration into -48 V powered central-office shelves via isolated DC-DC rails.
Recommended
State-Machine and Protocol Controllers
Custom state-machine and protocol controllers are a natural fit for the XC3090L-8TQ144C. The 320 CLBs map efficiently to FSMs implementing GPIB (IEEE-488), SCSI, I2C, SPI and proprietary serial protocols, with each CLB holding roughly 16 bits of state encoding. The 6.7 ns combinatorial delay sets the FSM transition time, allowing state machines to clock reliably at 80 MHz. The 8 mA source/sink I/O drive matches legacy 74F TTL loads directly, eliminating external buffers in many cases and reducing board area in space-constrained embedded designs.
Recommended
Digital Signal Pre-Processing
The XC3090L-8TQ144C handles digital signal pre-processing tasks such as FIR filtering, sample-rate conversion, and digital down-conversion in cost-sensitive embedded designs. Its 320 CLBs support 8-bit FIR filters of up to 32 taps at audio sample rates (44.1/48 kHz) and shorter filters at video rates, with the 80 MHz clock providing ample headroom for multi-channel processing. Distributed arithmetic techniques exploit the XC3000 look-up-table structure to implement multipliers in just 4 CLBs each, yielding competitive gate efficiency for DSP glue functions.
Recommended
Aerospace and Defense Legacy Avionics
Long-life aerospace and defense platforms still maintain production lines based on XC3000-series FPGAs. The XC3090L-8TQ144C implements MIL-STD-1553 bus controllers, ARINC-429 transmitters, and radar timing generators in legacy avionics bays where board-level redesign is prohibitively expensive. The device's 3.0-3.6 V supply and 5 mA quiescent current meet the thermal budgets of sealed avionics enclosures, while its 80 MHz system clock supports the 1 Mbps ARINC-429 high-speed variant. The 144-pin TQFP package is preferred for its robust gull-wing leads, which survive the vibration profiles of fixed-wing and rotorcraft platforms better than finer-pitch BGAs.
Recommended
Recommended Products Summary
Engineering reference data for XC3090L-8TQ144C β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | XC3190L-8TQ144C | XC3195A-8TQ144C | XC3090L-8TQG144C | XC3090L-7TQ144C | XC3100L-8TQ144C | XC3S50A-4TQG144C |
|---|---|---|---|---|---|---|---|
| Package | TQFP-144 | TQFP-144 - same | TQFP-144 - same | TQFP-144 - same | TQFP-144 - same | TQFP-144 - same | TQFP-144 - same |
| Brand | Xilinx | Xilinx | Xilinx | Xilinx | Xilinx | Xilinx | Xilinx |
| Family | XC3000 (XC3090L) | XC3100A/L | XC3100A | XC3000A/L | XC3000A/L | XC3100A/L | Spartan-3A |
| Configurable Logic Blocks (CLBs) | 320 | 484 | 484 | 320 | 320 | 200 | 1,584 (Spartan-3A slice equivalent) |
| Equivalent Gates | ~5000 | ~5800 | ~6500 | ~5000 | ~5000 | ~3000 | 50,000 system gates |
| Speed Grade | -8 | -8 | -8 | -8 | -7 (faster) | -8 | -4 (Spartan-3A) |
| Supply Voltage | 3.0-3.6 V | 3.0-3.6 V | 3.0-3.6 V | 3.0-3.6 V | 3.0-3.6 V | 3.0-3.6 V | 1.2 V core / 3.3 V I/O |
| Lifecycle Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Active (modern replacement) |
| Pin/Package Compatibility | 100% (XC3000A/L, XC3100A/L) | 100% compatible | 100% compatible | 100% compatible | 100% compatible | 100% compatible | Footprint-compatible (different I/O mapping) |
Key Differentiators
- Pin- and architecture-compatible with the entire XC3000A/L and XC3100A/L family (vs XC3190L-8TQ144C)
- Lower-power CMOS process (L suffix) with 5 mA maximum quiescent current (vs XC3090A-8TQ144C)
- TQFP-144 gull-wing package with 100% family compatibility (vs XC3S50A-4TQG144C)
Design Notes
The XC3090L draws up to 5 mA quiescent current plus dynamic current proportional to switching frequency and output loading. Estimated: at 80 MHz with all 144 outputs driving 50 pF loads at 8 mA each, total Vcc current can reach 250-400 mA. A bulk 100 uF tantalum plus 0.1 uF ceramic decoupling on each Vcc pin is mandatory; place the 0.1 uF caps within 5 mm of the package. The 3.0-3.6 V range is narrow β use a 3.3 V LDO rather than a switching regulator to keep ripple below 50 mVpp and avoid configuration glitches.
The TQFP-144 package has 0.5 mm pitch gull-wing leads on a 20 mm x 20 mm body, requiring 4 mil trace/space PCB fabrication for fanout. Use a dog-bone fanout to inner power planes rather than via-in-pad, which is more reliable for hand-rework of obsolete parts. Keep all eight global clock buffer pins (GCK0..GCK7) accessible for test access; route them on inner layers with controlled 50 ohm impedance and guard-trace to ground. The exposed die paddle is not present on TQFP β ensure adequate copper pour on top layer for thermal dissipation, estimating theta_JA at ~45 C/W.
Do not exceed 3.6 V on any Vcc pin β the XC3090L has no 5 V tolerance and is highly susceptible to CMOS latch-up. The DONE pin must be pulled high via a 4.7 kohm resistor to Vcc, otherwise the device may interpret floating DONE as a configuration error and refuse to enter user mode. Configuration mode pins M0, M1, M2 must be hard-wired (not driven by other logic during power-up) or the device will not enter the correct configuration mode. Finally, in-system reconfiguration requires careful sequencing of PROGRAM, DONE and INIT β refer to the XC3000 datasheet timing diagrams before attempting JTAG-based updates.
Compliance Information
RoHS and lead-free status not confirmed in available data; the XC3090L-8TQG144C variant with G terminal-finish suffix indicates a Pb-free version per Xilinx ordering nomenclature. AEC-Q100 qualification is not applicable to legacy FPGAs of this generation.
