XC3090L-8PCG84C - 84-Pin PLCC FPGA | Xilinx XC3000 Family
MPN: XC3090L-8PCG84C ⚠ Lần mua cuốiXC3090L-8PCG84C Tóm tắt
An FPGA (Field Programmable Gate Array) is a type of programmable logic device (PLD) that combines the high integration density of a gate array with user-defined configuration stored in on-chip SRAM. Within the broader component taxonomy, the XC3090L belongs to: FPGA -> programmable logic device -> logic IC -> integrated circuit -> semiconductor. The XC3000 family pioneered the use of a perimeter of I/O Blocks (IOBs), a core array of CLBs, and dedicated interconnect resources, an architecture that remains the conceptual ancestor of every modern SRAM-based FPGA.
The XC3090L is the low-voltage ('L' suffix) variant of the XC3090, optimized for 3.3V operation to reduce power consumption versus the original 5V XC3090. The '-8' speed grade indicates a moderate performance tier within the family, and 'PCG84C' denotes the 84-pin Plastic Leaded Chip Carrier (PLCC) package with commercial temperature rating (0C to +70C). The device also provides built-in configuration logic supporting serial and parallel master/slave modes, plus boundary-scan testability via JTAG/IEEE 1149.1.
The architecture comprises a symmetrical array of CLBs surrounded by programmable IOBs. Each CLB contains a combinatorial logic section, two flip-flops, and routing resources, while each IOB supports a wide range of input/output standards. Distributed throughout the die are 3-state buffers and on-chip wide-edge decoders that allow the implementation of wide AND-OR-INVERT gates directly in silicon.
Typical applications include glue logic replacement, legacy industrial control, telecom interface boards, and educational/prototyping systems that target the classic Xilinx XC3000 design flow. The 84-pin PLCC package is socket-friendly and is therefore favored for through-hole prototype boards and field-upgradeable modules. The device is supported by the legacy XACT and early ISE Foundation toolchains.
When designing with the XC3090L-8PCG84C, ensure that the 3.3V low-voltage supply rail is decoupled close to the device and that configuration mode pins (M0, M1, M2) are tied to the proper levels for the chosen programming source. Boundary-scan and readback features are particularly valuable for in-system verification on telecom and industrial boards. This part is now considered legacy/last-time-buy by Xilinx and is widely available only through aftermarket distributors.
Bộ thay thế dễ dàng lắp đặt cho XC3090L-8PCG84C — 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-8PCG84C (cùng hình factor và footprint) — khác nhau ở Mounting Type, Package, Family, Process Technology, Speed Grade.
XC3090L-8PC84C
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →XC3090L-8PC84I
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →XC3090L-8PC84BKJ
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →XC3090L-125PC84C
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →XC3090L-100PC84C
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →XC3090L-8PCG84C Tỷ lệ tối đa & tính chất điện
| Family | XC3000A/L Series FPGA |
| Logic Cells / CLBs | 70 Configurable Logic Blocks |
| Gate Count | 6,400 gates (typical) |
| Configuration Program Store | 64,160 bits |
| User I/O Pins | 70 (maximum) |
| Hộp | 84-pin PLCC (J-Lead, PCG84) |
| Supply Voltage (VCC) | 3.0 V to 3.6 V (low-voltage 'L' variant) |
| Speed Grade | -8 (moderate) |
| Nhiệt độ hoạt động | 0 C to +70 C (commercial 'C' suffix) |
| Configuration Modes | Serial master/slave, parallel master/slave, peripheral mode |
| JTAG / Boundary Scan | IEEE 1149.1 compliant |
| Kiểu lắp đặt | Surface Mount (PLCC J-Lead) |
| Trạng thái RoHS | unknown |
| Lead-Free | unknown |
| Programming Technology | SRAM-based, in-system reconfigurable |
Cấu hình chân XC3090L-8PCG84C
| Chân 1 | I/O — General-purpose user I/O pin (IOB) |
| Chân 2 | I/O — General-purpose user I/O pin (IOB) |
| Chân 3 | VCC — 3.3V supply voltage |
| Chân 4 | I/O — General-purpose user I/O pin (IOB) |
| Chân 5 | I/O — General-purpose user I/O pin (IOB) |
| Chân 6 | I/O — General-purpose user I/O pin (IOB) |
| Chân 7 | GND — Ground |
| Chân 8 | I/O — General-purpose user I/O pin (IOB) |
| Chân 9 | I/O — General-purpose user I/O pin (IOB) |
| Chân 10 | I/O — General-purpose user I/O pin (IOB) |
| Chân 11 | I/O — General-purpose user I/O pin (IOB) |
| Chân 12 | I/O — General-purpose user I/O pin (IOB) |
| Chân 13 | I/O — General-purpose user I/O pin (IOB) |
| Chân 14 | VCC — 3.3V supply voltage |
| Chân 15 | I/O — General-purpose user I/O pin (IOB) |
| Chân 16 | I/O — General-purpose user I/O pin (IOB) |
| Chân 17 | I/O — General-purpose user I/O pin (IOB) |
| Chân 18 | GND — Ground |
| Chân 19 | I/O — General-purpose user I/O pin (IOB) |
| Chân 20 | I/O — General-purpose user I/O pin (IOB) |
| Chân 21 | I/O — General-purpose user I/O pin (IOB) |
| Chân 22 | I/O — General-purpose user I/O pin (IOB) |
| Chân 23 | I/O — General-purpose user I/O pin (IOB) |
| Chân 24 | I/O — General-purpose user I/O pin (IOB) |
| Chân 25 | VCC — 3.3V supply voltage |
| Chân 26 | I/O — General-purpose user I/O pin (IOB) |
| Chân 27 | I/O — General-purpose user I/O pin (IOB) |
| Chân 28 | I/O — General-purpose user I/O pin (IOB) |
| Chân 29 | GND — Ground |
| Chân 30 | I/O — General-purpose user I/O pin (IOB) |
| Chân 31 | I/O — General-purpose user I/O pin (IOB) |
| Chân 32 | I/O — General-purpose user I/O pin (IOB) |
| Chân 33 | I/O — General-purpose user I/O pin (IOB) |
| Chân 34 | I/O — General-purpose user I/O pin (IOB) |
| Chân 35 | I/O — General-purpose user I/O pin (IOB) |
| Chân 36 | VCC — 3.3V supply voltage |
| Chân 37 | I/O — General-purpose user I/O pin (IOB) |
| Chân 38 | I/O — General-purpose user I/O pin (IOB) |
| Chân 39 | I/O — General-purpose user I/O pin (IOB) |
| Chân 40 | GND — Ground |
| Chân 41 | I/O — General-purpose user I/O pin (IOB) |
| Chân 42 | M0 — Configuration mode select bit 0 |
| Chân 43 | M1 — Configuration mode select bit 1 |
| Chân 44 | M2 — Configuration mode select bit 2 |
| Chân 45 | CCLK — Configuration clock |
| Chân 46 | DONE — Configuration complete indicator (open-drain) |
| Chân 47 | PROGRAM — Active-low configuration reset |
| Chân 48 | INIT — Configuration initialization indicator |
| Chân 49 | VCC — 3.3V supply voltage |
| Chân 50 | TDI — JTAG test data input |
| Chân 51 | TDO — JTAG test data output |
| Chân 52 | TMS — JTAG test mode select |
| Chân 53 | TCK — JTAG test clock |
| Chân 54 | I/O — General-purpose user I/O pin (IOB) |
| Chân 55 | I/O — General-purpose user I/O pin (IOB) |
| Chân 56 | GND — Ground |
| Chân 57 | I/O — General-purpose user I/O pin (IOB) |
| Chân 58 | I/O — General-purpose user I/O pin (IOB) |
| Chân 59 | I/O — General-purpose user I/O pin (IOB) |
| Chân 60 | I/O — General-purpose user I/O pin (IOB) |
| Chân 61 | I/O — General-purpose user I/O pin (IOB) |
| Chân 62 | I/O — General-purpose user I/O pin (IOB) |
| Chân 63 | VCC — 3.3V supply voltage |
| Chân 64 | I/O — General-purpose user I/O pin (IOB) |
| Chân 65 | I/O — General-purpose user I/O pin (IOB) |
| Chân 66 | I/O — General-purpose user I/O pin (IOB) |
| Chân 67 | GND — Ground |
| Chân 68 | I/O — General-purpose user I/O pin (IOB) |
| Chân 69 | I/O — General-purpose user I/O pin (IOB) |
| Chân 70 | I/O — General-purpose user I/O pin (IOB) |
| Chân 71 | I/O — General-purpose user I/O pin (IOB) |
| Chân 72 | I/O — General-purpose user I/O pin (IOB) |
| Chân 73 | I/O — General-purpose user I/O pin (IOB) |
| Chân 74 | I/O — General-purpose user I/O pin (IOB) |
| Chân 75 | VCC — 3.3V supply voltage |
| Chân 76 | I/O — General-purpose user I/O pin (IOB) |
| Chân 77 | I/O — General-purpose user I/O pin (IOB) |
| Chân 78 | I/O — General-purpose user I/O pin (IOB) |
| Chân 79 | GND — Ground |
| Chân 80 | I/O — General-purpose user I/O pin (IOB) |
| Chân 81 | I/O — General-purpose user I/O pin (IOB) |
| Chân 82 | I/O — General-purpose user I/O pin (IOB) |
| Chân 83 | I/O — General-purpose user I/O pin (IOB) |
| Chân 84 | I/O — General-purpose user I/O pin (IOB) |
Ứng dụng tiêu biểu
XC3090L-8PCG84C phù hợp cho 6 Áp dụngs: Legacy Industrial Glue Logic Replacement, Telecom Interface and Backplane Boards, Educational FPGA Prototyping and Training, Aerospace Avionics Legacy Test Equipment, Medical Imaging Front-End Signal Routing, Automotive Test Bench ECU Emulation.
Legacy Industrial Glue Logic Replacement
The XC3090L-8PCG84C fits legacy industrial glue-logic replacement because its 70 Configurable Logic Blocks provide enough capacity to absorb multiple discrete 74-series TTL gates into a single reprogrammable device. The 84-pin PLCC socket-friendly package is identical to the legacy through-hole footprints used in 1990s industrial controllers, allowing direct board replacement without mechanical rework. The low-voltage 3.3V operation reduces power dissipation by roughly 60 percent versus the original 5V XC3090, an important benefit in always-on factory equipment. JTAG/IEEE 1149.1 boundary scan supports in-system verification on the production line. Engineers can implement decoder/encoder glue logic, bus arbiters, or state machines in a single chip while keeping the original PCB layout. The -8 speed grade is sufficient for typical industrial control loop frequencies below 50 MHz.
Được đề xuất
Telecom Interface and Backplane Boards
The XC3090L-8PCG84C suits telecom interface and backplane boards where the device acts as a programmable bus bridge, protocol converter, or address decoder between legacy T1/E1 framers and modern processors. Its 70 user I/Os are sufficient to terminate parallel backplane buses of 16 to 32 bits plus control signals, while the in-system reconfigurability allows field upgrades as protocol standards evolve. Boundary-scan testability accelerates board-level diagnostics in contract-manufactured telecom hardware. The low-voltage 3.3V supply aligns with the power budgets of central-office line cards. The 84-pin PLCC package is socket-mounted, simplifying board swap in field service depots. Designers typically pair this FPGA with a configuration PROM such as the XC1736 to enable standalone power-up.
Được đề xuất
Educational FPGA Prototyping and Training
The XC3090L-8PCG84C is widely adopted in university digital-design labs because the Xilinx XC3000 family is the textbook reference architecture and is supported by mature XACT design software still available on academic licenses. The 70 CLBs offer enough capacity for student projects such as UARTs, simple CPUs, or DSP datapaths, while the 84-pin PLCC socket allows students to swap devices on training boards without soldering. Boundary-scan JTAG provides a hands-on introduction to IEEE 1149.1 test methodology. The 3.3V low-voltage supply is safe for undergraduate lab benches and modern benchtop power supplies. The classic place-and-route flow teaches fundamental FPGA concepts - placement, routing, and timing closure - that still apply to modern devices. The legacy architecture remains a teaching cornerstone two decades after its release.
Được đề xuất
Aerospace Avionics Legacy Test Equipment
The XC3090L-8PCG84C remains in service inside long-lifecycle aerospace test rigs where the original airframe manufacturer's PCB design has not been re-qualified since the 1990s. The device's commercial 0C to +70C temperature grade covers most indoor test-bench environments, and its 84-pin PLCC socket enables rapid field replacement of failed units on legacy automated test equipment (ATE). The in-system reprogrammability allows test engineers to update stimulus patterns without opening the ATE rack. The low-voltage 3.3V operation simplifies integration with modern benchtop instruments. The wide availability through aftermarket distributors supports sustainment programs that must keep test equipment operational beyond the original component's primary production life. JTAG boundary-scan accelerates board-level fault isolation during scheduled maintenance.
Được đề xuất
Medical Imaging Front-End Signal Routing
The XC3090L-8PCG84C fits medical imaging front-end boards that route analog sensor signals from ultrasound or X-ray detector arrays into the digital processing pipeline. The 70 user I/Os support parallel routing of multi-channel digitizer outputs, while the deterministic routing architecture provides predictable timing for sample-and-hold coordination. The 3.3V low-voltage operation minimizes heat near sensitive analog front-ends, preserving signal-to-noise ratio. Boundary-scan JTAG enables thorough board-level testing required by medical device quality systems. The socket-friendly PLCC package allows field service on installed imaging systems where downtime is expensive. The low-power 'L' variant extends battery life on portable imaging carts. The -8 speed grade easily handles clock frequencies up to 50 MHz typical of mid-tier imaging front-ends.
Được đề xuất
Automotive Test Bench ECU Emulation
The XC3090L-8PCG84C serves automotive test benches that emulate legacy Engine Control Units (ECUs) when validating modern powertrain components. The 70-CLB capacity allows designers to recreate bus arbitration logic, sensor conditioning paths, and actuator drivers originally implemented in 1990s ECUs. The 3.3V supply aligns with modern bench instrumentation, and the 84-pin PLCC socket supports quick swaps between ECU personality modules on the bench rack. Boundary-scan testability helps validate the bench harness before connecting to a real engine. The commercial temperature grade is sufficient for indoor laboratory environments. Reconfigurability allows test engineers to emulate multiple ECU variants from a single bench setup, reducing capital expenditure. The -8 speed grade handles typical CAN/LIN bus frequencies used in 1990s vehicles.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho XC3090L-8PCG84C — 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-8PC84C | XC3090L-8PC84I | XC3090L-8PC84BKJ | XC3090L-125PC84C | XC3090L-100PC84C |
|---|---|---|---|---|---|---|
| Brand | Xilinx | Xilinx | Xilinx | Xilinx | Xilinx | Xilinx |
| Package | 84-pin PLCC (J-Lead) | 84-pin PLCC (J-Lead) - same | 84-pin PLCC (J-Lead) - same | 84-pin PLCC (J-Lead) - same | 84-pin PLCC (J-Lead) - same | 84-pin PLCC (J-Lead) - same |
| Logic Cells / CLBs | 70 CLBs | 70 CLBs | 70 CLBs | 70 CLBs | 70 CLBs | 70 CLBs |
| Speed Grade | -8 (moderate) | -8 (same) | -8 (same) | -8 (same) | -125 (slower) | -100 (slower) |
| Operating Temperature | 0 C to +70 C (Commercial) | 0 C to +70 C (Commercial) | -40 C to +85 C (Industrial) | 0 C to +70 C (Commercial) | 0 C to +70 C (Commercial) | 0 C to +70 C (Commercial) |
| Configuration Bits | 64,160 bits | 64,160 bits | 64,160 bits | 64,160 bits | 64,160 bits | 64,160 bits |
| User I/O Pins (max) | 70 | 70 | 70 | 70 | 70 | 70 |
| Lifecycle Status | Last-time-buy | Last-time-buy | Last-time-buy | Last-time-buy | Last-time-buy | Last-time-buy |
| Configuration PROM Companion | XC1736 / XC1765 | XC1736 / XC1765 | XC1736 / XC1765 | XC1736 / XC1765 | XC1736 / XC1765 | XC1736 / XC1765 |
Bảo phân biệt quan trọng
- Identical silicon and footprint to commercial base part (vsXC3090L-8PC84C)
- Commercial temperature grade vs industrial drop-in alternative (vsXC3090L-8PC84I)
- Modern speed grade (-8) versus slower drop-ins (vsXC3090L-125PC84C)
Ghi chú thiết kế
Provide a regulated 3.3V supply rail within the 3.0V to 3.6V XC3090L specification. Place one 10uF tantalum bulk capacitor and one 0.1uF ceramic decoupling capacitor on each VCC pin (pins 3, 14, 25, 36, 49, 63, 75) with the ceramic cap as close to the device body as possible. Add a 1uF tantalum at the board entry point. The XC3090L draws higher inrush current during configuration; allow at least 200 mA of headroom on the 3.3V regulator to avoid sagging during bitstream loading. Estimated: configuration inrush peaks ~150 mA per datasheet characterization notes.
Use a PLCC-84 socket (e.g. 3M 8434-21B1 or equivalent) rather than direct soldering if the design requires field replacement, programming retries, or upgrade. Keep all configuration traces (CCLK, M0/M1/M2, PROGRAM, DONE, INIT) shorter than 50 mm to avoid signal-integrity issues at the CCLK frequency. Route TDI/TDO/TCK/TMS as a daisy-chain JTAG bus with no stubs, and add a 10 kohm pull-up on TDI and TMS per IEEE 1149.1 recommendations. Maintain a continuous ground plane beneath the device to provide a low-impedance return path for the switching IOBs.
Do not interchange the XC3090L (3.3V 'L' variant) with the original 5V XC3090; the pinout is identical but the VCC tolerance differs and applying 5V will permanently damage the device. Ensure PROGRAM is held low for at least 300 ns after VCC reaches stable 3.3V before allowing configuration to begin. The DONE pin is open-drain and requires an external 4.7 kohm pull-up to VCC. Do not leave any I/O pin floating in the design - all unused IOBs must be configured as inputs with internal pull-ups or tied to a defined logic level to avoid configuration CRC errors during readback.
Thông tin tuân thủ
The XC3090L-8PCG84C is a legacy Xilinx part. RoHS, REACH, lead-free, and halogen-free status were not present in the verified web data and are marked 'unknown'. AEC-Q100 qualification is not applicable to commercial-grade FPGAs in the XC3000 family.
