EP1S20F780C5 - Stratix FPGA 18460 LE, 586 I/O, 780-FBGA | Intel
MPN: EP1S20F780C5 ✗ Cuối đờiEP1S20F780C5 Tóm tắt
A Field-Programmable Gate Array (FPGA) is a semiconductor device built around an array of configurable logic blocks (CLBs), programmable interconnect, and dedicated hard IP such as block RAM (BRAM), DSP slices, PLLs, and high-speed transceivers. FPGAs sit within the broader taxonomy of programmable logic devices (PLDs) and, more generally, integrated circuits (ICs) used for digital logic implementation. Unlike ASICs, FPGAs can be reconfigured in the field after PCB assembly, which makes them ideal for prototyping, low-volume production, and applications requiring post-deployment updates.
Key features of the EP1S20F780C5 include 1,846 LABs (logic array blocks), 512 Kbits of embedded TriMatrix memory distributed across MRAM, M4K, and M512 blocks, 17 DSP blocks for fixed-point arithmetic, support for external memory interfaces including DDR SDRAM, and 8 clock networks with 16 PLLs. The device operates with a core VCC of 1.5 V and I/O voltages that support LVDS, LVTTL, LVCMOS, SSTL, HSTL, and PCI signalling standards.
Architecturally, the Stratix family introduced the TriMatrix memory architecture and DSP blocks optimized for DSP filtering and FFT operations. Each DSP block can be configured as 9-bit, 18-bit, or 36-bit multipliers, with hardware adders and accumulators that accelerate common DSP kernels at hundreds of MHz. Dedicated serial configuration devices (EPCS family) are used to load the configuration bitstream at power-up.
Typical applications include high-speed data acquisition, digital signal processing for telecom baseband, network packet processing, military and aerospace signal intelligence, video broadcast equipment, and ASIC prototyping. The 780-ball FBGA package provides ample I/O density and signal integrity for parallel memory buses and LVDS links.
When designing with this part, pay careful attention to the I/O bank structure and pin assignments to avoid VCCIO compatibility conflicts. The legacy -5 speed grade is the slowest Stratix speed bin; designers migrating to -6 or -7 should re-validate timing closure. Decoupling, multi-plane PCB stack-up, and matched-length routing are essential to realize the full I/O performance.
This page synthesizes distributor stock, lifecycle status, drop-in and same-family alternatives, and practical design notes not collected in a single location on the manufacturer datasheet.
Bộ thay thế dễ dàng lắp đặt cho EP1S20F780C5 — 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 EP1S20F780C5 (cùng hình factor và footprint) — khác nhau ở Operating Temperature, Package, Process Technology, Speed Grade, DSP Blocks.
EP1S20F780C6
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →EP1S20F780C7
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →EP1S10F780C5
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →EP1S10F780C6
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →EP1S10F780C7
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →EP1S10F780C5N
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →EP1S20F780C5 Tỷ lệ tối đa & tính chất điện
| Device Family | Stratix |
| Logic Elements | 18460 |
| Logic Array Blocks (LABs) | 1846 |
| Total RAM Bits | 1669248 |
| User I/O Count | 586 |
| DSP Blocks | 17 |
| PLLs | 16 |
| Clock Networks | 8 |
| Hộp | 780-BBGA, FCBGA (FineLine BGA) |
| Speed Grade | -5 |
| Operating Temperature Grade | Commercial |
| Core Voltage (VCCINT) | 1.5 V |
| Process Technology | 0.13 µm CMOS |
| Kiểu bộ nhớ | TriMatrix (MRAM, M4K, M512) |
| Configuration Scheme | Serial (EPCS) or JTAG |
Hướng dẫn cấu hình chân EP1S20F780C5 780-bbga, fcbga (fineline bga)
Cấu hình chân cho EP1S20F780C5 (780-bbga, fcbga (fineline bga) gói). IC số này bao gồm chân GPIO, giao diện truyền thông (UART, SPI, I2C) và chân nguồn. Tham khảo tài liệu thông số kỹ thuật của nhà sản xuất để biết các chức năng chân thay thế và tùy chọn cấu hình. Cực kỳ quan trọng cho thiết kế hệ thống tích hợp và lập trình PCB.
Không có dữ liệu chân cụ thể sẵn có cho EP1S20F780C5.
Tham khảo: tài liệu kỹ thuật cho cấu hình chân đầy đủ.
Ứng dụng tiêu biểu
EP1S20F780C5 phù hợp cho 6 Áp dụngs: High-Speed Data Acquisition Systems, Telecom Baseband Signal Processing, ASIC Prototyping and Emulation, Video Broadcast and Image Processing, Industrial Networking and Packet Processing, Military and Aerospace Signal Intelligence.
High-Speed Data Acquisition Systems
The EP1S20F780C5's 586 user I/O pins and 18,460 logic elements make it well suited for high-speed parallel data acquisition front-ends. With 1.5 V core and support for LVDS/LVPECL/LVCMOS signalling on independently powered I/O banks, the device can simultaneously capture multiple 10- to 16-bit ADC streams at rates approaching 200 MHz DDR. The 17 dedicated DSP blocks accelerate per-channel FIR filtering, decimation, and FFT processing on the acquired data. Compared with a discrete DSP+ASIC architecture, the Stratix FPGA integrates the timing control, memory buffering, and signal-processing chain into a single re-programmable device, reducing board area and BOM cost.
Được đề xuất
Telecom Baseband Signal Processing
In telecom baseband designs the EP1S20F780C5 provides the fabric needed for rake receivers, channel equalisation, and Turbo decoding. The TriMatrix memory architecture gives 1,669,248 bits of distributed RAM, sufficient to hold QAM constellations, Viterbi trellis state tables, and per-user buffer descriptors. The 16 PLLs and 8 global clock networks allow low-jitter distribution of multiple symbol-rate clocks across the chip. Designers can implement multi-carrier OFDM downlink paths and WCDMA rake receivers in a single device, while the 780-FBGA package provides the signal-integrity margin required for high-speed memory and backplane interfaces.
Được đề xuất
ASIC Prototyping and Emulation
The 18,460 logic elements, 17 DSP blocks, and rich memory hierarchy of the EP1S20F780C5 make it a practical target for ASIC prototyping and hardware emulation. Designers map ASIC RTL to the Stratix fabric, partition across multiple FPGAs when needed, and use the 586 I/O pins to bring out emulation probes. The Quartus II software flow supports incremental compilation and logic-lock regions to speed compile time. Compared with slower software simulation, RTL running at hardware speed on this FPGA validates multi-million-gate ASIC designs in days rather than months. The commercial temperature grade and BGA package suit lab and chassis-level prototyping.
Được đề xuất
Video Broadcast and Image Processing
For SDI/HD-SDI video broadcast, the EP1S20F780C5's 586 I/O and 17 DSP blocks deliver real-time 4:2:2 and 4:4:4 chroma processing, scaling, and overlay blending. Each DSP block can be configured as 9-, 18-, or 36-bit multipliers supporting full-rate FIR filtering for image scaling and colour-space conversion. The TriMatrix memory allows line-buffer storage on-chip, reducing external SDRAM bandwidth by 30-50 %. Compared with an ASIC implementation, the FPGA solution enables rapid reconfiguration when broadcast standards evolve, and the 780-FBGA package provides the BGA breakout density needed for parallel SDI links.
Được đề xuất
Industrial Networking and Packet Processing
In industrial router and switch designs, the EP1S20F780C5 provides wire-speed packet classification, IPv4/IPv6 forwarding, and QoS queue management. The 1.5 V core and 17 DSP blocks accelerate hash computations, CRC verification, and encryption primitives, while the 586 I/O enables simultaneous 10/100/1000 Ethernet and SPI/UART serial management interfaces. TriMatrix memory stores routing tables and packet descriptors on-chip, reducing external TCAM/SSRAM cost. Compared with discrete NPU + memory solutions, this single FPGA integrates all packet-processing logic in one programmable device, simplifying PCB layout and shortening design cycles.
Được đề xuất
Military and Aerospace Signal Intelligence
The EP1S20F780C5 has been used in ruggedised military and aerospace signal-intelligence platforms where flexibility and high compute density matter. With 18,460 logic elements and 17 DSP blocks the device can run wideband digital down-conversion, polyphase filter banks, and adaptive beamforming in real time. The Stratix family was historically offered in industrial-temperature variants for military systems; designers should check the specific temperature grade before deployment. Compared with fixed-function ASICs, the FPGA approach lets system integrators update algorithms as new signal threats emerge in the field.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho EP1S20F780C5 — 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 | EP1S20F780C6 | EP1S20F780C7 | EP1S10F780C5 | EP1S10F780C6 | EP1S10F780C7 | EP1S10F780C5N |
|---|---|---|---|---|---|---|---|
| Package | 780-FBGA, FCBGA | 780-FBGA, FCBGA - same | 780-FBGA, FCBGA - same | 780-FBGA, FCBGA - same | 780-FBGA, FCBGA - same | 780-FBGA, FCBGA - same | 780-FBGA, FCBGA - same |
| Brand | Altera | Altera | Altera | Altera | Altera | Altera | Altera |
| Logic Elements | 18460 | 18460 | 18460 | 10570 (-43%) | 10570 (-43%) | 10570 (-43%) | 10570 (-43%) |
| Speed Grade | -5 (slowest) | -6 | -7 | -5 | -6 | -7 | -5 |
| RAM Bits | 1669248 | 1669248 | 1669248 | 920448 | 920448 | 920448 | 920448 |
| DSP Blocks | 17 | 17 | 17 | 6 | 6 | 6 | 6 |
| User I/O | 586 | 586 | 586 | 426 | 426 | 426 | 426 |
| Temperature Grade | Commercial | Commercial | Commercial | Commercial | Commercial | Commercial | Commercial |
| Lifecycle Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
Bảo phân biệt quan trọng
- Lowest-cost Stratix 780-FBGA option with broadest availability (vsEP1S20F780C6 / EP1S20F780C7)
- Higher logic and DSP capacity within the same 780-FBGA (vsEP1S10F780C5 / EP1S10F780C6 / EP1S10F780C7)
- Highest logic density per ball in the Stratix family (vsAll other 780-FBGA Stratix parts)
Ghi chú thiết kế
The EP1S20F780C5 requires at least four independent supply rails: VCCINT (1.5 V core), VCCIO (1.5/1.8/2.5/3.3 V per bank), VCCPD (3.3 V for pre-drivers), and VCCA_PLL (1.5 V for PLL analog). Decoupling must follow the Stratix Device Handbook reference: 0.1 µF and 0.01 µF ceramic capacitors at every VCCINT/VCCIO pin, plus 100 µF bulk tantalum or polymer caps per supply. Power sequencing should hold the FPGA in reset until VCCINT and VCCPD reach their thresholds to avoid partial-power latch-up.
The 780-FBGA 1.0 mm pitch package demands a 4- to 6-layer PCB stack-up with microvia fan-out or via-in-pad. Matched-length routing for DDR SDRAM interfaces should keep DQ/DQS skew below ±25 ps, and reference the differential clock pair to a continuous ground layer. Use the Altera DDR SDRAM controller with pin skew reports generated by Quartus II to validate signal integrity before committing to PCB fabrication. The -5 speed grade requires looser skew tolerance than -6/-7 designs, but still demands clean power and ground planes.
Do not assume JTAG or AS configuration bitstreams are interchangeable between Stratix and Stratix II - the proprietary bitstream formats differ. Mixing EP1S and EP2S configuration files will brick the device. Always regenerate the .sof and .pof in the matching Quartus II version for the target FPGA. Also note that the original Stratix EPCS bitstream uses little-endian PROM format, while newer Quartus versions default to 32-bit format; verify your EPCS layout tool settings before programming.
Estimated: at full logic utilisation with 200 MHz clock and 80% toggle rate, power consumption can reach 5-8 W. Using the typical theta_JA of 12 °C/W (4-layer board, 1 m/s airflow), junction temperature rise above ambient is approximately 60-95 °C, putting commercial-grade Tj near 145 °C under worst case. Adding a heatsink or forced airflow extends margin; designers should use the Quartus II PowerPlay power estimator and the published theta_JA to confirm. Thermal vias under the BGA thermal pad dramatically reduce theta_JC.
Thông tin tuân thủ
RoHS non-compliant per multiple distributor datasheets. Lead-free variants exist only as EPCS companion flashes, not as Stratix FPGA re-issues. AEC-Q100 not applicable since this is a programmable logic device, not an automotive qualified IC. Designers with RoHS-mandated end products should migrate to Stratix II or later.