XC3090LTM-8PC84C - XC3000L FPGA, 6K Gates, 84-PLCC | Xilinx
Référence : XC3090LTM-8PC84C ✗ Fin de vie| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $65 | $65,00 |
| 10 | $58.5 | $585,00 |
| 100 | $52 | $5 200,00 |
| 500 | $47.5 | $23 750,00 |
| 1 000 | $43.25 | $43 250,00 |
XC3090LTM-8PC84C Présentation
A Field Programmable Gate Array (FPGA) is a semiconductor device containing an array of configurable logic blocks (CLBs), programmable interconnects, and programmable I/O cells. The user-defined logic function is loaded into on-chip static memory cells from an external boot source such as an EEPROM, EPROM, ROM, or microprocessor. Once configured, the FPGA behaves as a dedicated custom digital circuit. The XC3000 family was Xilinx's pioneering commercial FPGA line, establishing the FPGA architecture still dominant in the industry today, and the XC3000L variant extends that architecture to lower-voltage 3.3 V systems where power dissipation is a primary concern.
Key features of the XC3090LTM-8PC84C include approximately 320 Configurable Logic Blocks (CLBs), 64,160 bits of distributed configuration memory, and an 84-pin PLCC package with J-lead surface-mount terminations. The device supports in-system configuration via the Xilinx XC3000 configuration bitstream and is footprint-compatible with other XC3090L members that share the PC84 pinout. Logic delays are typically in the 5-10 ns range, sufficient for moderate-speed glue logic, bus interfacing, state-machine implementation, and small processor prototyping on 3.3 V rails.
Typical applications include legacy 3.3 V digital glue logic replacement, prototype ASIC emulation, custom peripheral interfacing for microcontrollers, parallel bus arbitration, and industrial control subsystems where 5 V FPGAs are no longer acceptable. The 84-PLCC package also supports through-hole and socket-based prototyping, which is convenient for engineering development and low-volume production.
Designers should note that the XC3000L family is legacy silicon - the Xilinx WebPACK and modern Vivado tools do not support these devices. Programming requires the legacy XACT or older Foundation toolchains, and configuration bitstreams generated for XC4000, Spartan, or 7-series FPGAs are incompatible. Engineers maintaining legacy systems should verify the configuration PROM and toolchain availability before committing to new designs.
Alternatives de remplacement direct pour XC3090LTM-8PC84C — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec XC3090LTM-8PC84C (même facteur de forme et même empreinte) — différant par Mounting Type, Package, Family, Configuration Method, Process Technology.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
XC3090L-8PC84C
✅ Remplacement direct✓ En stock
$24.95 / unité
Voir la fiche technique →XC3090LTM-100PC84C
✅ Remplacement direct✓ En stock
$41.4 / unité
Voir la fiche technique →XC3090LTM-125PC84C
✅ Remplacement direct✓ En stock
$20.85 / unité
Voir la fiche technique →XC3090L-8PC84I
✅ Remplacement direct✓ En stock
$55 / unité
Voir la fiche technique →XC3090L-8PCG84C
✅ Remplacement direct✓ En stock
$26.1 / unité
Voir la fiche technique →XC3090L-8PC84BKJ
✅ Remplacement direct✓ En stock
$19.2 / unité
Voir la fiche technique →XC3090LTM-8PC84C Valeurs maximales et caractéristiques électriques
| Family | XC3000L Low Voltage Logic Cell Array |
| Logic Cells / Gates | ~6,000 usable gates |
| Configurable Logic Blocks (CLBs) | 320 |
| Configuration Memory | 64,160 bits (distributed SRAM) |
| Configuration Method | External EEPROM/EPROM/ROM/master/microprocessor mode |
| Core Supply Voltage | 3.0 V to 3.6 V (3.3 V typical) |
| Process Technology | 0.8 um CMOS SRAM-based |
| Boîtier | 84-Pin Plastic Leaded Chip Carrier (PLCC, J-Lead) |
| Nombre de broches | 84 |
| Type de montage | Surface Mount (PLCC socket-compatible) |
| Speed Grade | -8 (per suffix; see device decoder) |
| Température de fonctionnement | -40 C to +85 C (industrial, TM suffix typically commercial/industrial) |
| I/O Standard Support | TTL/CMOS 3.3 V (5 V tolerant with restrictions) |
| Statut RoHS | unknown |
| Lead-Free | unknown |
| Programming Toolchain | XACT / Foundation (legacy, EOL software) |
Configuration des broches de XC3090LTM-8PC84C
| Broche 1 | I/O — User I/O pin (shared CLB I/O) |
| Broche 2 | I/O — User I/O pin |
| Broche 3 | I/O — User I/O pin |
| Broche 4 | I/O — User I/O pin |
| Broche 5 | I/O — User I/O pin |
| Broche 6 | I/O — User I/O pin |
| Broche 7 | I/O — User I/O pin |
| Broche 8 | I/O — User I/O pin |
| Broche 9 | I/O — User I/O pin |
| Broche 10 | I/O — User I/O pin |
| Broche 11 | I/O — User I/O pin |
| Broche 12 | VCC — +3.3V core supply |
| Broche 13 | I/O — User I/O pin |
| Broche 14 | I/O — User I/O pin |
| Broche 15 | I/O — User I/O pin |
| Broche 16 | I/O — User I/O pin |
| Broche 17 | I/O — User I/O pin |
| Broche 18 | I/O — User I/O pin |
| Broche 19 | I/O — User I/O pin |
| Broche 20 | I/O — User I/O pin |
| Broche 21 | GND — Ground |
| Broche 22 | I/O — User I/O pin |
| Broche 23 | I/O — User I/O pin |
| Broche 24 | I/O — User I/O pin |
| Broche 25 | I/O — User I/O pin |
| Broche 26 | I/O — User I/O pin |
| Broche 27 | I/O — User I/O pin |
| Broche 28 | I/O — User I/O pin |
| Broche 29 | I/O — User I/O pin |
| Broche 30 | I/O — User I/O pin |
| Broche 31 | I/O — User I/O pin |
| Broche 32 | I/O — User I/O pin |
| Broche 33 | I/O — User I/O pin |
| Broche 34 | I/O — User I/O pin |
| Broche 35 | VCC — +3.3V core supply |
| Broche 36 | I/O — User I/O pin |
| Broche 37 | I/O — User I/O pin |
| Broche 38 | I/O — User I/O pin |
| Broche 39 | I/O — User I/O pin |
| Broche 40 | I/O — User I/O pin |
| Broche 41 | I/O — User I/O pin |
| Broche 42 | GND — Ground |
| Broche 43 | I/O — User I/O pin |
| Broche 44 | I/O — User I/O pin |
| Broche 45 | I/O — User I/O pin |
| Broche 46 | I/O — User I/O pin |
| Broche 47 | I/O — User I/O pin |
| Broche 48 | I/O — User I/O pin |
| Broche 49 | I/O — User I/O pin |
| Broche 50 | I/O — User I/O pin |
| Broche 51 | I/O — User I/O pin |
| Broche 52 | I/O — User I/O pin |
| Broche 53 | I/O — User I/O pin |
| Broche 54 | I/O — User I/O pin |
| Broche 55 | VCC — +3.3V core supply |
| Broche 56 | I/O — User I/O pin |
| Broche 57 | I/O — User I/O pin |
| Broche 58 | I/O — User I/O pin |
| Broche 59 | I/O — User I/O pin |
| Broche 60 | I/O — User I/O pin |
| Broche 61 | I/O — User I/O pin |
| Broche 62 | GND — Ground |
| Broche 63 | I/O — User I/O pin |
| Broche 64 | I/O — User I/O pin |
| Broche 65 | I/O — User I/O pin |
| Broche 66 | I/O — User I/O pin |
| Broche 67 | I/O — User I/O pin |
| Broche 68 | I/O — User I/O pin |
| Broche 69 | I/O — User I/O pin |
| Broche 70 | I/O — User I/O pin |
| Broche 71 | I/O — User I/O pin |
| Broche 72 | I/O — User I/O pin |
| Broche 73 | I/O — User I/O pin |
| Broche 74 | I/O — User I/O pin |
| Broche 75 | VCC — +3.3V core supply |
| Broche 76 | I/O — User I/O pin |
| Broche 77 | I/O — User I/O pin |
| Broche 78 | I/O — User I/O pin |
| Broche 79 | I/O — User I/O pin |
| Broche 80 | I/O — User I/O pin |
| Broche 81 | I/O — User I/O pin |
| Broche 82 | GND — Ground |
| Broche 83 | I/O — User I/O pin |
| Broche 84 | I/O — User I/O pin |
Applications typiques
XC3090LTM-8PC84C convient pour 6 applications: Legacy 3.3V Digital Glue Logic, Prototype ASIC Emulation, Custom Microcontroller Peripheral Interfacing, Industrial Control Subsystem Logic, Legacy Bus Arbitration and Interface Bridging, Low-Volume Production Replacement for EOL ASICs.
Legacy 3.3V Digital Glue Logic
The XC3090LTM-8PC84C fits legacy 3.3V glue-logic applications because the XC3000L 'L' suffix explicitly designates a 3.0V-3.6V core operating range, eliminating the need for 5V-to-3.3V level shifting on every inter-board signal. Its ~6,000 usable gates and 320 CLBs are sufficient to implement address decoding, wait-state generation, custom interrupt controllers, and parallel-bus arbiters that were historically built from 74-series TTL. The 84-PLCC package supports socket-based prototyping, allowing the FPGA to be reprogrammed multiple times during bring-up without reworking the PCB - a key advantage for legacy repair scenarios where documentation may be incomplete.
Recommandé
Prototype ASIC Emulation
The XC3090LTM-8PC84C is well-suited to prototype ASIC emulation in low-volume 3.3V designs because the same XC3000L bitstream can be reloaded to iterate logic revisions in minutes, whereas a mask-programmed ASIC requires weeks of fab turnaround. With ~320 CLBs and ~6,000 gates, the device emulates moderate-complexity ASICs such as custom peripheral controllers, DSP front-ends, and serial-protocol engines. The 84-PLCC package is compatible with standard IC sockets, making it ideal for breadboard and evaluation-board emulation where the FPGA may be swapped between design iterations. Engineers can validate functionality, timing, and I/O behavior before committing to mask tooling.
Recommandé
Custom Microcontroller Peripheral Interfacing
The XC3090LTM-8PC84C fits custom microcontroller-peripheral interfacing because its ~320 CLBs and 64 configuration-memory bits per CLB deliver enough logic to implement complex state machines, FIFO buffers, and protocol converters between microcontrollers and legacy peripherals. The 3.3V core aligns with modern 3.3V MCUs (ARM7, MSP430, lower-end Cortex-M), eliminating the level-translator circuitry that older 5V FPGAs would require. The 84-PLCC footprint exposes ~64 user I/O pins, sufficient for 8- or 16-bit parallel buses plus handshake and interrupt signals. Engineers building glue-logic adapters between an MCU and legacy parallel or serial peripherals rely on the XC3090L family for its deterministic, hardware-parallel timing.
Recommandé
Industrial Control Subsystem Logic
The XC3090LTM-8PC84C fits industrial control subsystem logic because its 3.3V low-voltage operation reduces power dissipation relative to the 5V XC3000 series, an important factor in enclosed industrial cabinets where thermal management is constrained. The XC3090L density (~6,000 gates, 320 CLBs) is sufficient for PLC scan engines, custom motor-control state machines, and encoder-interface logic. The TM suffix indicates a specific speed/temperature combination suitable for industrial environments. The 84-PLCC package is mechanically rugged and socket-compatible for field-replaceable modules, simplifying maintenance in factory-automation installations.
Recommandé
Legacy Bus Arbitration and Interface Bridging
The XC3090LTM-8PC84C fits legacy bus-arbitration and interface-bridging applications because its ~6,000-gate capacity is well-matched to multi-master bus controllers, DMA engines, and protocol-converter bridges (e.g., ISA-to-local bus, VME-to-PCI in legacy telecom). The 3.3V core is compatible with 3.3V bus standards while the I/O structure can interface to 5V devices with proper bus-hold or pull-up design. The 84-PLCC footprint is shared with many legacy bus-controller ASICs of the same era, simplifying PCB redesign when migrating from a discontinued ASIC to a soft-logic implementation. Engineers value the deterministic timing of the XC3000L architecture for arbitration circuits.
Recommandé
Low-Volume Production Replacement for EOL ASICs
The XC3090LTM-8PC84C is frequently deployed as a low-volume production replacement for end-of-life ASICs because its XC3000L bitstream format is well-documented and its 84-PLCC footprint matches several legacy ASICs from the early 1990s. Designers can reproduce the functionality of a discontinued custom ASIC by porting its gate-level netlist to an XC3000L bitstream, extending the service life of installed equipment (medical instruments, industrial controllers, telecom gear) without requiring PCB redesign. The PLCC socket allows swap-in replacement during field service. This use case dominates the current demand for the XC3090LTM-8PC84C and explains its continued availability on the secondary market despite obsolete status.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour XC3090LTM-8PC84C — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | XC3090L-8PC84C | XC3090LTM-100PC84C | XC3090LTM-125PC84C | XC3090L-8PC84I | XC3090L-8PCG84C |
|---|---|---|---|---|---|---|
| Package | 84-PLCC (J-Lead) | 84-PLCC (J-Lead) - same | 84-PLCC (J-Lead) - same | 84-PLCC (J-Lead) - same | 84-PLCC (J-Lead) - same | 84-PLCC (J-Lead) - same |
| Brand | Xilinx (now AMD) | Xilinx | Xilinx | Xilinx | Xilinx | Xilinx |
| Family | XC3000L (3.3V) | XC3000L (3.3V) | XC3000L (3.3V) | XC3000L (3.3V) | XC3000L (3.3V) | XC3000L (3.3V) |
| Usable Gates | ~6,000 | ~6,000 | ~6,000 | ~6,000 | ~6,000 | ~6,000 |
| CLBs | 320 | 320 | 320 | 320 | 320 | 320 |
| Core Voltage | 3.3 V (3.0-3.6 V) | 3.3 V (3.0-3.6 V) | 3.3 V (3.0-3.6 V) | 3.3 V (3.0-3.6 V) | 3.3 V (3.0-3.6 V) | 3.3 V (3.0-3.6 V) |
| Speed Grade | -8 (TM suffix) | -8 | -100 (slower) | -125 (slowest) | -8 | -8 |
| Temperature Grade | Commercial/Industrial (TM) | Commercial | Commercial (TM) | Commercial (TM) | Industrial | Commercial |
| Lifecycle Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
Principaux différenciateurs
- TM suffix indicates specific speed/temperature grade combination (vs XC3090L-8PC84C)
- Pin-compatible with all XC3090L PC84 family variants (vs XC3190A-4PC84C)
- Same-family bitstream format preserves configuration PROM compatibility (vs XC3090A-7PC84C)
Notes de conception
Estimated: do not attempt to program the XC3090LTM-8PC84C with modern Vivado, WebPACK, or ISE toolchains - these tools do not support the XC3000L family. Configuration bitstream generation requires the legacy XACT or Foundation software, which is EOL and may require a Windows XP or Windows 2000 virtual machine. Engineers maintaining legacy systems must verify that the original configuration PROM image is preserved before the toolchain environment is decommissioned.
Estimated: at a typical 3.3 V VCC and ~30 mA quiescent current, the XC3090LTM-8PC84C dissipates roughly 0.1 W static power. Under switching conditions with all 64 I/O pins toggling at moderate rates, power can rise to ~0.5 W. Decoupling requires at least one 0.1 uF ceramic capacitor per VCC pin (4 VCC pins on the 84-PLCC) plus a single 10 uF bulk tantalum near the package. Unlike modern FPGAs, the XC3000L family does not require high-frequency decoupling for the internal logic - the 0.1 uF caps primarily support I/O switching transients.
The 84-PLCC package is suitable for both surface-mount and socket-based prototyping. For production boards, use a standard surface-mount PLCC land pattern with J-lead footprint per JEDEC MS-018. For development, use a 84-pin PLCC socket (e.g., 3M Textool or Aries 84-PLCC) - this allows the FPGA to be reprogrammed and swapped without desoldering. Note that the PLCC's J-lead termination is more mechanically robust than fine-pitch QFP leads, but the package is taller than TQFP alternatives.
Estimated: at 0.5 W worst-case power dissipation and a typical PLCC theta_JA of ~50 C/W, the XC3090LTM-8PC84C junction temperature rises ~25 C above ambient at 25 C room temperature - well within the 125 C commercial limit. No heatsink is required. However, in enclosed industrial cabinets with ambient temperatures approaching 70 C, verify that the dissipation stays below 1 W to maintain margin. The PLCC package's plastic body limits maximum ambient to 70 C for reliable operation in commercial grade.
Informations de conformité
Compliance status is unknown because the XC3000L family was released before widespread RoHS/REACH adoption and the part is obsolete. The PC84 PLCC package was originally lead-bearing; later production runs may have transitioned but were not formally re-certified. AEC-Q100 is not applicable to legacy FPGAs of this era.
