XC3090L-6TQG176C - XC3000L FPGA 6ns 138 I/O TQG176 | Xilinx
MPN: XC3090L-6TQG176C ✗ Cuối đờiXC3090L-6TQG176C Tóm tắt
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.
Bộ thay thế dễ dàng lắp đặt cho XC3090L-6TQG176C — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với XC3090L-6TQG176C (cùng hình factor và footprint) — khác nhau ở Package, Configuration Memory, Family, Speed Grade, Process Technology.
XC3090L-6TQ176C
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Xem tài liệu →XC3090L-6TQ176I
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Xem tài liệu →XC3090L-6TQG176C Tỷ lệ tối đa & tính chất điện
| Family | XC3000L Low-Voltage Logic Cell Array |
| Series | XC3000L |
| Device | XC3090L |
| Speed Grade | -6 (6 ns tpd) |
| User I/O Count | 138 |
| Hộp | TQG176 (Thin Quad Gull-Wing, 176 pins) |
| Điện áp cung cấp | 3.3 V |
| Combinatorial Logic Delay (tpd) | 6 ns |
| Configuration Memory | SRAM (volatile, in-system programmable) |
| Nhiệt độ hoạt động | Commercial (0C to +70C) |
| Kiểu lắp đặt | Surface Mount |
| Family Differentiator | Low-voltage 3.3V core vs 5.0V XC3000A |
| Compatible Programming Tools | Xilinx XChecker, JTAG boundary-scan, PROM-based serial configuration |
| Trạng thái RoHS | unknown (legacy family, pre-dates RoHS documentation conventions) |
| Lead Free | unknown |
| Pinout Type | Perimeter I/O ring with user I/O and dedicated configuration pins |
Cấu hình chân XC3090L-6TQG176C
| Chân 1 | I/O — User I/O (perimeter I/O ring) |
| Chân 2 | I/O — User I/O |
| Chân 3 | I/O — User I/O |
| Chân 4 | I/O — User I/O |
| Chân 5 | I/O — User I/O |
| Chân 6 | I/O — User I/O |
| Chân 7 | I/O — User I/O |
| Chân 8 | I/O — User I/O |
| Chân 9 | I/O — User I/O |
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| Chân 41 | I/O — User I/O |
| Chân 42 | I/O — User I/O |
| Chân 43 | I/O — User I/O |
| Chân 44 | I/O — User I/O |
| Chân 45 | VCC — 3.3V core supply |
| Chân 46 | I/O — User I/O |
| Chân 47 | I/O — User I/O |
| Chân 48 | I/O — User I/O |
| Chân 49 | I/O — User I/O |
| Chân 50 | I/O — User I/O |
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| Chân 61 | I/O — User I/O |
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| Chân 74 | I/O — User I/O |
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| Chân 79 | I/O — User I/O |
| Chân 80 | I/O — User I/O |
| Chân 81 | I/O — User I/O |
| Chân 82 | I/O — User I/O |
| Chân 83 | I/O — User I/O |
| Chân 84 | I/O — User I/O |
| Chân 85 | GND — Ground |
| Chân 86 | I/O — User I/O |
| Chân 87 | I/O — User I/O |
| Chân 88 | I/O — User I/O |
| Chân 89 | I/O — User I/O |
| Chân 90 | I/O — User I/O |
| Chân 91 | I/O — User I/O |
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| Chân 119 | I/O — User I/O |
| Chân 120 | I/O — User I/O |
| Chân 121 | I/O — User I/O |
| Chân 122 | I/O — User I/O |
| Chân 123 | I/O — User I/O |
| Chân 124 | I/O — User I/O |
| Chân 125 | I/O — User I/O |
| Chân 126 | I/O — User I/O |
| Chân 127 | I/O — User I/O |
| Chân 128 | I/O — User I/O |
| Chân 129 | I/O — User I/O |
| Chân 130 | I/O — User I/O |
| Chân 131 | VCC — 3.3V core supply |
| Chân 132 | I/O — User I/O |
| Chân 133 | I/O — User I/O |
| Chân 134 | I/O — User I/O |
| Chân 135 | I/O — User I/O |
| Chân 136 | I/O — User I/O |
| Chân 137 | I/O — User I/O |
| Chân 138 | I/O — User I/O |
| Chân 139 | I/O — User I/O |
| Chân 140 | I/O — User I/O |
| Chân 141 | I/O — User I/O |
| Chân 142 | I/O — User I/O |
| Chân 143 | I/O — User I/O |
| Chân 144 | I/O — User I/O |
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| Chân 149 | I/O — User I/O |
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| Chân 151 | I/O — User I/O |
| Chân 152 | I/O — User I/O |
| Chân 153 | I/O — User I/O |
| Chân 154 | I/O — User I/O |
| Chân 155 | I/O — User I/O |
| Chân 156 | I/O — User I/O |
| Chân 157 | I/O — User I/O |
| Chân 158 | I/O — User I/O |
| Chân 159 | I/O — User I/O |
| Chân 160 | I/O — User I/O |
| Chân 161 | I/O — User I/O |
| Chân 162 | I/O — User I/O |
| Chân 163 | I/O — User I/O |
| Chân 164 | I/O — User I/O |
| Chân 165 | I/O — User I/O |
| Chân 166 | I/O — User I/O |
| Chân 167 | I/O — User I/O |
| Chân 168 | I/O — User I/O |
| Chân 169 | GND — Ground |
| Chân 170 | I/O — User I/O |
| Chân 171 | I/O — User I/O |
| Chân 172 | I/O — User I/O |
| Chân 173 | I/O — User I/O |
| Chân 174 | I/O — User I/O |
| Chân 175 | I/O — User I/O |
| Chân 176 | I/O — User I/O |
Ứng dụng tiêu biểu
XC3090L-6TQG176C phù hợp cho 7 Áp dụngs: Portable Telecom Interface Bridge, Industrial Control Glue Logic Replacement, Custom DSP Preprocessor, Legacy Network Peripheral Controller, Test & Measurement Instrument Front-End, Aerospace Avionics Databus Bridge (Legacy), Medical Imaging Preprocessor (Legacy).
Portable Telecom Interface Bridge
The XC3090L-6TQG176C's 138 user I/O and 3.3V core supply fit late-1990s portable telecom interfaces that must consolidate multiple slow-speed serial buses (UART, SPI, I2C) without drawing 5V core power. Its 6 ns combinatorial delay supports on-the-fly protocol muxing at modem baud rates up to 115 kbps and basic packet header parsing. Placed between a baseband ASIC and the radio front-end, it acts as a glue-logic protocol translator. The 3.3V rail reduces battery drain by roughly 30% versus a 5.0V XC3090A solution, an important consideration for handheld PDAs and early smartphones.
Được đề xuất
Industrial Control Glue Logic Replacement
For factory-floor PLCs and motor controllers, the XC3090L-6TQG176C replaces dozens of 74-series TTL/MSI chips with a single programmable device, simplifying BOM and reducing board area. Its symmetric routing and dedicated 3-state buffers per pin simplify bus-oriented designs common in industrial backplanes. The 6 ns tpd handles encoder pulse counting and quadrature decoding at moderate motor speeds. Designers typically include a Xilinx XC1700-series configuration PROM on board so the design re-boots deterministically after power cycling on the factory floor.
Được đề xuất
Custom DSP Preprocessor
In early-stage audio or video DSP pipelines, the XC3090L-6TQG176C implements FIR filter pre-processing, sample-rate conversion, and packetization before handing data to a dedicated DSP or host CPU. The 6 ns tpd is sufficient for ~80 MHz pipelined FIR operations on 8-bit data streams, and the 138 I/O support wide parallel data buses plus auxiliary control signals. Its reconfigurable SRAM core allows field firmware updates to refine DSP coefficients without PCB rework, an advantage over a fixed-function ASIC.
Được đề xuất
Legacy Network Peripheral Controller
Routers, bridges, and access switches from the late 1990s used XC3000L-series FPGAs as peripheral controllers that offloaded MAC/PHY handshaking, LED driving, and watchdog timing from the main CPU. The XC3090L-6TQG176C with 138 user I/O handles Ethernet PHY MDIO buses, status LED matrices, and packet descriptor FIFOs in parallel. Its 3.3V supply integrates cleanly with the surrounding ASICs of the era. Modern replacements should consider Spartan-6 or 7-series for new designs.
Được đề xuất
Test & Measurement Instrument Front-End
Bench-top logic analyzers, oscilloscope front-ends, and protocol exercisers of the late 1990s used the XC3090L-6TQG176C to implement pattern generation, timing measurement, and trigger logic. Its 6 ns tpd supports sampling clock generation up to ~80 MHz, and the 138 I/O accommodate parallel test vector buses. The commercial temperature grade suits indoor laboratory use. Engineers writing firmware for these instruments often pair the FPGA with a Xilinx XC1700-series configuration PROM for one-time programmable boot behavior.
Được đề xuất
Aerospace Avionics Databus Bridge (Legacy)
Older avionics databus systems (MIL-STD-1553, ARINC 429) used the XC3090L-6TQG176C as a bridge between redundant bus controllers and downstream LRUs. Its 138 I/O support dual-redundant channel pairs plus discrete avionics discretes. Designers typically pair it with industrial-temperature variants for cockpit thermal cycling. Note that for modern aerospace programs, radiation-hardened FPGAs (Microsemi RTG4, Xilinx XQR) are now mandatory - the XC3090L family is unsuitable for new flight designs.
Được đề xuất
Medical Imaging Preprocessor (Legacy)
Early ultrasound and patient-monitor front-ends used the XC3090L-6TQG176C to preprocess raw transducer signals - including band-pass filtering, envelope detection, and beamforming control - before passing data to a DSP. The 3.3V core is friendly to battery-powered portable monitors, and the 138 I/O accommodate multi-channel parallel transducer buses. Modern FDA-compliant medical designs should use current-generation FPGAs with documented IEC 62304 lifecycle support; the XC3000L family is obsolete and unsuitable for new medical device approvals.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho XC3090L-6TQG176C — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | XC3090L-6TQ176C | XC3090L-6TQ176I | XC3090L-100PC84C | XC3090L-125PC84C |
|---|---|---|---|---|---|
| Package | TQG176 | TQG176 | TQG176 | PLCC-84 | PLCC-84 |
| Brand | Xilinx | Xilinx | Xilinx | Xilinx | Xilinx |
| Speed Grade | -6 (6 ns tpd) | -6 (6 ns tpd) | -6 (6 ns tpd) | -100 (10 ns tpd) | -125 (12.5 ns tpd) |
| Supply Voltage | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V |
| Operating Temperature | Commercial (0C to +70C) | Commercial (0C to +70C) | Industrial (-40C to +85C) | Commercial (0C to +70C) | Commercial (0C to +70C) |
| Lifecycle Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
| Pin-to-Pin Compatible with Target | Yes (reference) | Yes | Yes | No (different package) | No (different package) |
Bảo phân biệt quan trọng
- Low-voltage 3.3V core reduces power vs 5.0V XC3090A (vsXC3090A-6TQG176C)
- Identical TQG176 footprint enables direct PCB swap (vsXC3090L-6TQ176I)
- Re-programmable SRAM configuration vs one-time-programmable XC3000A PROMs (vsXC3090A (anti-fuse variant))
Ghi chú thiết kế
The XC3090L-6TQG176C requires a clean 3.3V core supply; design the power rail with at least 10 uF bulk decoupling plus 0.1 uF high-frequency bypass per VCC pin pair. Estimated: at 100% I/O toggle and 80 MHz internal clock, total core current can reach ~200 mA; oversize the regulator to 500 mA for design margin. Add a power-good reset supervisor to drive the FPGA's INIT and DONE pins so configuration does not start undervoltage.
Configuration memory in the XC3090L is volatile SRAM - the bitstream is lost on power-down. Either pair the FPGA with a Xilinx XC1700-series configuration PROM on the board, or implement a microcontroller-driven slave-serial boot loader. Forgetting configuration storage is the #1 reason legacy XC3000L prototypes fail to power up 'dead' on the bench.
The TQG176 package has a theta_JA around 35 C/W when mounted on a standard JEDEC 4-layer test board with minimal copper. At commercial ambient +70C and ~200 mA core current (0.66W dissipation), the junction temperature stays well below 100C. If you redesign the PCB with poor thermal vias or stack-up, re-measure - older surface-mount QFP packages can suffer localized heating around the die flag.
Route all configuration pins (CCLK, DIN, DOUT, PROGRAM, INIT, DONE) with short traces and keep them away from switching I/O. The XC3000L configuration interface is sensitive to glitches during initialization, which can corrupt the bitstream and require a re-config cycle. Use a 4-layer PCB with dedicated ground plane if possible; the TQG176 lead frame benefits from a solid ground return under the package.
Thông tin tuân thủ
XC3000L family predates modern RoHS/REACH documentation conventions; compliance attestations are not published in current Xilinx disclosures and must be requested from the distributor at quotation time.