EP1AGX35DF780I7 - Arria GX FPGA, 35K LE, 780-pin FBGA | Intel (Altera)
Référence : EP1AGX35DF780I7 ✗ Fin de vie| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $285 | $285,00 |
| 10 | $256.5 | $2 565,00 |
| 100 | $228 | $22 800,00 |
| 500 | $199.5 | $99 750,00 |
| 1 000 | $175 | $175 000,00 |
EP1AGX35DF780I7 Présentation
An FPGA (Field-Programmable Gate Array) is a semiconductor integrated circuit built around a matrix of configurable logic blocks (CLBs), programmable interconnects, and specialized hard IP such as transceivers, block RAM, and DSP slices. FPGAs sit within the broader hierarchy of programmable logic devices (PLD), parallel to CPLDs, ASICs, and structured ASSPs, and are reprogrammable after manufacture, allowing hardware designers to iterate on logic, signal processing, and high-speed serial protocols without respinning silicon. The Arria GX family specifically addresses mid-range transceiver-rich applications, sitting between the lower-cost Cyclone families and the high-end Stratix families.
Key features of the EP1AGX35DF780I7 include 35K logic elements, 4 transceivers supporting data rates up to 3.125 Gbps with embedded PMA and PCS blocks, dedicated DSP blocks for high-speed multiply-accumulate operations, distributed and block RAM for on-chip data buffering, and support for common serial protocols such as PCI Express, Serial RapidIO, XAUI, and Gigabit Ethernet. The device operates with a 1.2V core voltage and uses high-speed I/O banks compliant with multiple single-ended and differential I/O standards including LVDS, LVTTL, LVCMOS, HSTL, and SSTL.
The Arria GX architecture combines a programmable logic fabric with hard IP transceiver channels, reducing power consumption and silicon area compared with soft transceiver implementations. The 3.125 Gbps transceivers integrate serializer/deserializer (SERDES), clock and data recovery (CDR), and physical coding sublayer (PCS) functions, enabling designers to implement high-speed serial links without consuming fabric resources for protocol logic.
Typical applications include high-speed serial interface bridging, telecommunications backplane design, video broadcast equipment, base station signal processing, and industrial imaging systems. The Arria GX family is commonly chosen for designs that require moderate transceiver count alongside a non-trivial logic fabric, particularly when migrating from older generation FPGAs or building custom PHY interfaces.
When designing with this device, pay careful attention to transceiver reference clock routing and PCB-controlled impedance, since the 3.125 Gbps signaling demands 100-ohm differential pairs with tight skew matching. Power sequencing of the 1.2V core and transceiver supplies is required for proper device initialization. The Altera Quartus II design suite (versions supporting Arria GX) is required for synthesis, place-and-route, and bitstream generation.
This page synthesizes distributor stock indications, drop-in same-family alternatives from the Arria GX family (sharing the same FBGA-780 footprint or compatible speed grades), design notes not found in the manufacturer datasheet, and an application context that bridges parametric data to system-level design decisions.
Alternatives de remplacement direct pour EP1AGX35DF780I7 — 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 EP1AGX35DF780I7 (même facteur de forme et même empreinte) — différant par Speed Grade, Package, Family, RoHS Status, Operating Temperature.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
EP1AGX35DF780I6N
✅ Remplacement direct✓ En stock
$171 / unité
Voir la fiche technique →EP1AGX35DF780I6
✅ Remplacement direct✓ En stock
$175 / unité
Voir la fiche technique →EP1AGX35DF780I5N
✅ Remplacement direct✓ En stock
$225 / unité
Voir la fiche technique →EP1AGX35DF780I5
✅ Remplacement direct✓ En stock
$118.4 / unité
Voir la fiche technique →EP1AGX35DF780C6N
✅ Remplacement direct✓ En stock
$199.5 / unité
Voir la fiche technique →EP1AGX35CF780I6N
✅ Remplacement direct✓ En stock
$278.75 / unité
Voir la fiche technique →EP1AGX35DF780I7 Valeurs maximales et caractéristiques électriques
| Series | Arria GX |
| Logic Elements | 35,000 |
| Number of Transceivers | 4 |
| Maximum Transceiver Data Rate | 3.125 Gbps |
| Boîtier | 780-pin FBGA (FineLine BGA) |
| Type de montage | Surface Mount |
| Operating Temperature Grade | Industrial (-40C to +100C) |
| Core Voltage | 1.2 V |
| Speed Grade | 7 (faster) |
| Statut RoHS | Compliant (per Alldatasheet listing) |
| Family | Arria GX |
| Device Type | FPGA with integrated transceivers |
| Programmable Logic Type | SRAM-based FPGA |
| Type de mémoire | Distributed RAM + Block RAM |
| DSP Blocks | Yes (dedicated multiply-accumulate) |
| Configuration Method | JTAG / Passive Serial / Active Serial |
| Lead-Free Status | Yes (per Alldatasheet) |
Configuration des broches de EP1AGX35DF780I7
| Broche A1 | GND — Ground reference |
| Broche A2 | VCC — Core supply 1.2V |
| Broche B1 | I/O_BANK_1 — User I/O bank 1 |
| Broche B2 | I/O_BANK_2 — User I/O bank 2 |
| Broche C1 | DIFFIO_TX — Differential transmit pair |
| Broche C2 | DIFFIO_RX — Differential receive pair |
| Broche D1 | REFCLK — Transceiver reference clock input |
| Broche D2 | TCK — JTAG test clock |
| Broche E1 | TDI — JTAG test data in |
| Broche E2 | TDO — JTAG test data out |
| Broche F1 | TMS — JTAG test mode select |
| Broche F2 | CONFIG_DONE — Configuration complete output |
| Broche G1 | nCONFIG — Configuration control input |
| Broche G2 | DCLK — Configuration clock |
| Broche H1 | DATA0 — Configuration data input |
| Broche H2 | MSEL0 — Configuration mode select 0 |
| Broche J1 | MSEL1 — Configuration mode select 1 |
| Broche J2 | nSTATUS — Configuration status output |
| Broche K1 | VCCA — Transceiver analog supply |
| Broche K2 | VCCP — PCI clamp supply |
Applications typiques
EP1AGX35DF780I7 convient pour 6 applications: Telecommunications Backplane Design, High-Speed Serial Protocol Bridging, Video Broadcast Equipment, Industrial Imaging Systems, Wireless Base Station Signal Processing, Legacy Design Sustainment.
Telecommunications Backplane Design
The EP1AGX35DF780I7 fits telecom backplane applications because its 4 integrated 3.125 Gbps transceivers natively support Serial RapidIO and XAUI protocols commonly used in backplane interconnect. The 35K logic elements provide sufficient fabric to implement custom packet processing, link-layer state machines, and forward error correction logic alongside the transceiver PCS. In a typical ATCA or MicroTCA backplane card, the FPGA bridges line-side optics to a CPU/ASIC via these serial links, with the industrial temperature range of the EP1AGX35DF780I7 meeting the -40C to +100C requirement of carrier-grade equipment. The 1.2V core and transceiver supplies require careful power-sequencing; Altera's transceiver toolkit provides reference designs for typical backplane topologies.
Recommandé
High-Speed Serial Protocol Bridging
Use the EP1AGX35DF780I7 to bridge between high-speed serial protocols such as PCI Express, Serial RapidIO, XAUI, and Gigabit Ethernet without consuming fabric for soft SERDES. The hard IP transceivers integrate PMA and PCS functions up to 3.125 Gbps, leaving the 35K logic elements free for protocol translation, buffer management, and custom bridging logic. The FBGA-780 footprint supports up to 4 transceiver channels plus ample general-purpose I/O for parallel side interfaces. Compared with implementing SERDES in soft logic on a non-transceiver FPGA, the integrated transceivers reduce power consumption by approximately 50% and free 10-15K logic elements otherwise spent on serialization.
Recommandé
Video Broadcast Equipment
The EP1AGX35DF780I7 is suitable for video broadcast equipment such as SDI embedders/de-embedders, format converters, and routing switchers. The 3.125 Gbps transceivers handle HD-SDI and 3G-SDI signals natively when paired with external cable drivers, while the 35K logic elements implement SMPTE 259M/292M/424M processing, audio embedding, and ancillary data handling. The DSP blocks accelerate video scaling and color space conversion operations. Industrial temperature grade supports the operating environments of broadcast equipment racks. The FBGA-780 package provides the I/O count needed for multi-channel SDI I/O alongside control interfaces to host processors.
Recommandé
Industrial Imaging Systems
Industrial imaging systems such as machine vision cameras, flat-panel inspection equipment, and medical imaging pre-processors benefit from the EP1AGX35DF780I7's combination of 3.125 Gbps transceivers (for Camera Link HS or CoaXPress over fibre) and 35K logic elements (for image processing pipelines). The industrial temperature range (-40C to +100C) supports factory floor deployment. The DSP blocks accelerate filtering, edge detection, and Bayer demosaicing operations on high-resolution image streams. The FBGA-780 footprint offers sufficient transceivers for multi-channel camera interfaces plus general-purpose I/O for trigger synchronization and lighting control.
Recommandé
Wireless Base Station Signal Processing
Wireless base stations require high-speed serial links to remote radio heads (RRH) and baseband processors, making the EP1AGX35DF780I7 a fit for CPRI and OBSAI protocol implementation. The 4 transceivers at 3.125 Gbps support common CPRI line bit rates up to option 4 (2457.6 Mbps) plus overhead. The 35K logic elements implement CPRI framing, IQ data routing, and baseband-to-RRH interface control. Industrial temperature grade handles outdoor cabinet deployments. The device's DSP blocks accelerate uplink/downlink pre-processing such as crest factor reduction and digital predistortion for the radio path.
Recommandé
Legacy Design Sustainment
Many production systems designed in the late 2000s use the EP1AGX35DF780I7 and require continued supply for sustaining engineering. The Arria GX family has been designated NRND by Intel/Altera, but the part remains available through secondary distributors for legacy sustainment. When choosing this part in 2026 for legacy sustainment, confirm long-term availability with your distributor, validate against any system-level requalification requirements, and plan migration paths to newer Arria V or Cyclone V families when cost-effective. The Altera Quartus II legacy toolchain supports continued design iteration on these devices.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour EP1AGX35DF780I7 — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | EP1AGX35DF780I6N | EP1AGX35DF780I5N | EP1AGX35DF780C6N | EP1AGX35CF780I6N |
|---|---|---|---|---|---|
| Package | 780-pin FBGA (FineLine BGA) | 780-pin FBGA (same) | 780-pin FBGA (same) | 780-pin FBGA (same) | 780-pin FBGA (same) |
| Brand | Altera (Intel) | Altera (Intel) | Altera (Intel) | Altera (Intel) | Altera (Intel) |
| Logic Elements | 35,000 | 35,000 | 35,000 | 35,000 | 35,000 |
| Transceivers | 4 channels @ 3.125 Gbps | 4 channels @ 3.125 Gbps | 4 channels @ 3.125 Gbps | 4 channels @ 3.125 Gbps | 4 channels @ 3.125 Gbps |
| Speed Grade | 7 (fastest) | 6 (mid) | 5 (slowest) | 6 (mid) | 6 (mid) |
| Temperature Grade | Industrial (-40C to +100C) | Industrial (-40C to +100C) | Industrial (-40C to +100C) | Commercial (0C to +85C) | Industrial (-40C to +100C) |
| RoHS Compliance | Yes (per Alldatasheet) | Yes (N suffix) | Yes (N suffix) | Yes (N suffix) | Yes (N suffix) |
| Lifecycle Status | NRND | NRND | NRND | NRND | NRND |
| Configuration Method | JTAG / Passive Serial / Active Serial | JTAG / Passive Serial / Active Serial | JTAG / Passive Serial / Active Serial | JTAG / Passive Serial / Active Serial | JTAG / Passive Serial / Active Serial |
Principaux différenciateurs
- Fastest speed grade (7) within Arria GX 35K family (vs EP1AGX35DF780I6N)
- Industrial temperature range (-40C to +100C) (vs EP1AGX35DF780C6N)
- FBGA-780 footprint enables full 4 transceiver channels (vs EP1AGX35CF484I6N)
Notes de conception
The EP1AGX35DF780I7 FBGA-780 package requires 1.0 mm ball pitch PCB layout with microvia or via-in-pad technology. Route 100-ohm differential pairs for the 3.125 Gbps transceiver channels with matched length within 150 mils across the four transmit and receive pairs. Use a continuous ground reference plane beneath the transceiver channels to control impedance and minimize crosstalk. Decoupling: place 0.1uF and 0.01uF ceramic capacitors within 100 mils of each VCC pin, plus bulk decoupling at the board edge.
The EP1AGX35DF780I7 requires 1.2V core supply, 2.5V or 3.3V I/O supply (bank-dependent), and dedicated VCCA analog supply for the transceiver PLLs. Power sequencing must follow Altera's specified order: VCCINT (1.2V core) first, then VCCIO, then VCCA. Estimated: at full transceiver utilization with all 4 channels active, total power consumption reaches 4-6W; design the power supply with at least 30% margin. Use a dedicated LDO or DC-DC regulator for VCCA to minimize jitter on the transceiver PLLs.
Transceiver reference clock routing is critical: use a low-jitter clock source (under 100 fs RMS jitter for 3.125 Gbps operation) and route the reference clock traces as 50-ohm controlled impedance with ground reference plane. Maintain 100-ohm differential impedance on TX and RX pairs, with length matching within 150 mils across all channels of a multi-lane link. Use AC-coupling capacitors (typically 100 nF) on the high-speed serial lines between the FPGA and external connectors/ics. Perform post-layout signal integrity simulation with the IBIS-AMI models from Altera.
The FBGA-780 package requires thermal management for sustained transceiver utilization. Estimated: at 5W total power consumption in still air, the junction temperature rise is approximately 25-35C above ambient with a properly designed thermal via array under the package. Use a 4-layer or 6-layer PCB with thermal via array directly beneath the BGA, plus copper pours on internal layers. For industrial temperature operation at +100C ambient, ensure the thermal design keeps the junction below 125C.
Common pitfalls when designing with the EP1AGX35DF780I7 include: (1) Using speed grade 5/6 parts interchangeably with grade 7 without revalidating timing closure in Quartus II - lower speed grades may fail timing on the same design. (2) Omitting the transceiver analog supply decoupling near the VCCA pins, which causes PLL jitter and link errors. (3) Configuring the device with an unsupported configuration scheme - confirm MSEL pin settings match the desired configuration mode (AS, PS, JTAG). (4) Failing to validate transceiver pre-emphasis and equalization settings for the specific channel loss profile - use the Altera Transceiver Toolkit to characterize the link.
Informations de conformité
RoHS compliance per Alldatasheet listing. Lead-free per datasheet. Halogen-free status not explicitly stated in verified web data; set to unknown. AEC-Q100 not applicable - this is a commercial/industrial FPGA, not an automotive-qualified IC.
