XC3090L-8TQ144C - 320 CLB FPGA, 80MHz, TQFP-144 | Xilinx
料号： XC3090L-8TQ144C ✗ 停产| 数量 | 单价 | 小计 |
|---|---|---|
| 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 |
XC3090L-8TQ144C 概述
A Field Programmable Gate Array (FPGA) is a semiconductor device built around an array of programmable logic blocks interconnected by a configurable routing matrix. Within the broader taxonomy, an FPGA sits as a subclass of programmable logic devices alongside CPLDs and falls under the digital IC hierarchy in power management and logic categories. The XC3000 series pioneered SRAM-based configuration and is positioned as the ancestor of all modern Xilinx FPGA families such as Spartan and Virtex. The "L" suffix designates the low-power CMOS process node, while the "-8" speed grade places this die at the high end of the XC3090's 1.55 to 4.1 ns logic-delay range.
Key architectural features include 100% pin-out and architecture compatibility across the XC3000A/L and XC3100A/L families, allowing designers to migrate between density points without re-laying-out the board. The device supports JTAG-style boundary-scan testing and uses a distributed RAM/ROM programming model that loads the bitstream from external PROM at power-up. The TQFP-144 footprint exposes roughly 96 to 108 user I/O pins depending on bank configuration, with eight global clock buffers for high-fanout nets.
Typical applications include glue-logic replacement in legacy industrial controllers, prototyping platforms for ASIC emulation, and digital signal pre-processing in telecom backplanes. The combination of 5000 gates and 80 MHz system clock is well-suited to state-machine controllers, UART bridges, FIFO address generators, and parallel-to-serial converters that were popular in 1990s-era designs still in long-life service today.
When designing with this part, note that configuration requires a serial or parallel EPROM and at least four configuration mode pins. The 5 mA quiescent current makes it acceptable for battery-backed applications, but designers must respect the 3.6 V absolute-maximum supply rating to avoid latch-up. JTAG boundary scan is supported, but in-system reconfiguration requires careful handling of the DONE and INIT pins.
This page synthesizes distributor stock and pricing snapshots from DigiKey, Mouser, Octopart and the Xilinx product archive, plus drop-in same-family variants from the XC3000A/L and XC3100A/L families — practical sourcing context not consolidated on any single manufacturer page.
直接替换替代料： XC3090L-8TQ144C ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： XC3090L-8TQ144C （相同外形与封装尺寸） ——差异在于 Family, Mounting Type, Package, Process Technology, Configuration Method.
快速对比工具——选择替代料号进行并排对比：
XC3190L-8TQ144C
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
XC3195A-8TQ144C
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
XC3090L-8TQG144C
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
XC3090L-7TQ144C
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
XC3100L-8TQ144C
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
XC3S50A-4TQG144C
✅ 直接替换📋 参考替代料（不在目录中）
XC3090L-8TQ144C 最大额定值与电气特性
| 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 |
| 封装 | TQFP-144 (LFQFP, gull-wing) |
| Terminal Count | 144 |
| Terminal Form | Gull Wing |
| Package Code | LFQFP |
| 安装类型 | Surface Mount |
| Pin/Package Compatibility | 100% compatible with XC3000A/L and XC3100A/L families |
| Configuration Method | Serial/parallel EPROM, master/slave modes |
| RoHS 状态 | unknown |
XC3090L-8TQ144C 100% compatible with xc3000a/l and xc3100a/l families 引脚配置指南
XC3090L-8TQ144C（100% compatible with xc3000a/l and xc3100a/l families 封装）的引脚配置。 该数字 IC 包含 GPIO、通信接口（UART、SPI、I2C）和电源引脚。请参阅制造商数据手册以了解复用引脚功能和配置选项。对嵌入式系统设计和 PCB 布局至关重要。
暂无详细引脚数据： XC3090L-8TQ144C.
请参阅 数据手册 以查看完整引脚配置。
典型应用
XC3090L-8TQ144C 适用于 6 应用s: 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.
推荐
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.
推荐
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.
推荐
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.
推荐
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.
推荐
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.
推荐
推荐产品汇总
工程参考数据： XC3090L-8TQ144C ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | 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) |
关键差异点
- Pin- and architecture-compatible with the entire XC3000A/L and XC3100A/L family （对比 XC3190L-8TQ144C)
- Lower-power CMOS process (L suffix) with 5 mA maximum quiescent current （对比 XC3090A-8TQ144C)
- TQFP-144 gull-wing package with 100% family compatibility （对比 XC3S50A-4TQG144C)
设计说明
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 — 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 — 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 — 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 — refer to the XC3000 datasheet timing diagrams before attempting JTAG-based updates.
合规信息
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.
