EP1S25B672C6N - 25,660 LEs Stratix FPGA, 672-BGA | Intel
MPN: EP1S25B672C6N ✗ Cuối đờiEP1S25B672C6N Tóm tắt
An FPGA (Field Programmable Gate Array) is a programmable logic device that allows engineers to implement custom digital logic, memory hierarchies, and high-speed I/O through software-defined configuration. FPGAs sit at the intersection of ASIC and processor solutions, offering hardware parallelism, deterministic latency, and reconfigurability that makes them suitable for prototyping, low-volume production, and applications where hardware acceleration outperforms CPUs/GPUs.
Key features of the EP1S25B672C6N include 2,566 Logic Array Blocks (LABs), embedded DSP blocks for hardware multiply-accumulate operations, embedded memory blocks supporting both single- and dual-port RAM, and high-speed LVDS I/O capable of multi-gigabit transceivers when paired with Stratix GX variants. The 672-BGA package exposes the full I/O count and provides the board area required for high pin-count BGA fanout with controlled-impedance routing.
Architecturally, the Stratix family leverages a 0.13 µm CMOS process with embedded memory and DSP silicon. The TriMatrix memory subsystem includes three block RAM sizes (M512, M4K, M-RAM) optimized for different datapath widths, and dedicated routing that minimizes clock skew across the die. Configuration is supported via serial or parallel EPC configuration devices, JTAG, or CPU-controlled passive schemes.
Typical applications include high-performance DSP (radar, baseband, image processing), telecom line-card packet processing, ASIC prototyping, test and measurement instrumentation, and high-speed serial protocol bridging. The device is widely used in legacy communications infrastructure and industrial designs. When designing with this part, note that the original Stratix is end-of-life; plan for migration to Stratix II/III/IV or Cyclone families if new revisions are required.
Bộ thay thế dễ dàng lắp đặt cho EP1S25B672C6N — 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 EP1S25B672C6N (cùng hình factor và footprint) — khác nhau ở Operating Temperature, Configuration Method, Process Technology, DSP Blocks, Package.
EP1S25B672C6
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EP1S25B672C6N Tỷ lệ tối đa & tính chất điện
| Series | Stratix |
| Family | Stratix FPGA |
| Manufacturer | Intel (Altera) |
| Logic Elements | 25,660 |
| Number of LABs/CLBs | 2,566 |
| Total RAM Bits | 1,944,576 |
| Number of I/O | 473 |
| Number of Pins/Terminals | 672 |
| Package Type | 672-BBGA (35 x 35 mm, 1.27 mm pitch) |
| Kiểu lắp đặt | Surface Mount (BGA) |
| Supply Voltage (Core) | 1.5 V |
| Nhiệt độ hoạt động | 0 C to +85 C (Commercial Extended) |
| Process Technology | 0.13 µm CMOS |
| Embedded Memory | TriMatrix (M512, M4K, M-RAM) |
| DSP Blocks | Yes (embedded multipliers) |
| Configuration Mode | Serial/Parallel EPC, JTAG, CPU passive |
| Trạng thái RoHS | Unknown (legacy Stratix; consult distributor for specific date code) |
| Temperature Grade | Commercial Extended |
Hướng dẫn cấu hình chân EP1S25B672C6N 672-bbga (35 x 35 mm, 1.27 mm pitch)
Cấu hình chân cho EP1S25B672C6N (672-bbga (35 x 35 mm, 1.27 mm pitch) 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 EP1S25B672C6N.
Tham khảo: tài liệu kỹ thuật cho cấu hình chân đầy đủ.
Ứng dụng tiêu biểu
EP1S25B672C6N phù hợp cho 6 Áp dụngs: ASIC Prototyping and Emulation, Telecom Line-Card Glue Logic, Digital Signal Processing (DSP) Hardware Acceleration, Test and Measurement Instrumentation, High-Speed Image Processing, Industrial Control and Automation.
ASIC Prototyping and Emulation
The EP1S25B672C6N's 25,660 logic elements and 1.94 Mbit embedded RAM make it well-suited for ASIC prototyping and emulation tasks. With 2,566 LABs and 473 user I/Os, the device can map mid-complexity ASIC RTL (typically 200K-500K gate equivalents) at slower clock rates for verification. The TriMatrix memory architecture supports large FIFO buffers needed for bus-functional models, and dedicated DSP blocks accelerate multiply-accumulate primitives. Designers using Quartus II can synthesize RTL into the Stratix fabric, then iterate on testbenches quickly. For larger ASIC targets, multiple EP1S25 devices can be paralleled via LVDS chip-to-chip links. The 672-BGA package provides the I/O count required for realistic peripheral modeling.
Được đề xuất
Telecom Line-Card Glue Logic
Stratix FPGAs were widely deployed in telecom line cards for protocol bridging, packet classification, and backplane glue logic. The EP1S25B672C6N's 1.5 V core and 473 I/Os support multiple POS/PHY interfaces (SPI-4.2, SFI-4) and high-speed LVDS links typical of legacy SONET/SDH and Ethernet line cards. The TriMatrix memory subsystem accommodates large packet buffers and lookup tables, while DSP blocks accelerate Reed-Solomon and CRC operations. Operating from 0 to 85 C commercial-extended temperature, the device fits controlled-environment central-office deployments. Hardware parallelism gives deterministic latency that CPUs cannot match, which is critical for QoS queue management at line rate.
Được đề xuất
Digital Signal Processing (DSP) Hardware Acceleration
The EP1S25B672C6N's embedded DSP blocks deliver hardware multiply-accumulate throughput far exceeding software DSP on general-purpose processors. Each DSP block contains dedicated multipliers, adders, and pipeline registers supporting FIR, IIR, FFT, and matrix-multiply operations at hundreds of MSPS. For radar, software-defined radio, and baseband signal processing, the parallel architecture runs multiple channels concurrently. With 1.94 Mbit of TriMatrix memory, designers can implement window buffers, coefficient ROMs, and overlap-save storage without external SRAM. Designers using Altera's DSP Builder or hand-coded VHDL/Verilog can target the DSP blocks directly to balance logic utilization and throughput.
Được đề xuất
Test and Measurement Instrumentation
Test equipment manufacturers deployed Stratix FPGAs in arbitrary waveform generators, logic analyzers, and protocol analyzers. The EP1S25B672C6N's 473 I/Os support hundreds of probe channels in parallel logic-analyzer architectures, while embedded memory buffers deep acquisition records. Hardware reconfiguration lets the same hardware serve multiple instrument personalities - a key value proposition for ATE platforms. The 1.5 V core reduces power consumption in rack-mounted equipment, and 0-85 C operation covers climate-controlled lab environments. Designers can implement custom triggering, pattern generation, and protocol decode in RTL with deterministic timing that no DSP or microcontroller can match.
Được đề xuất
High-Speed Image Processing
Image processing pipelines for medical imaging, machine vision, and broadcast video benefit from the parallel architecture of the EP1S25B672C6N. The 473 I/Os support multiple camera-link or LVDS video inputs, while DSP blocks accelerate convolution, color-space conversion, and edge-detection kernels in real time. TriMatrix memory provides line buffers and frame-stores without external SRAM for many imaging pipelines. Designers targeting video rates (720p, 1080i) can sustain pixel rates well beyond software implementations on CPUs. The 672-BGA package also enables dense PCB layout for compact camera modules. Reconfigurability allows post-deployment algorithm updates.
Được đề xuất
Industrial Control and Automation
Stratix FPGAs served in industrial controllers, motion-control systems, and CNC machines where deterministic timing and parallel I/O matter. The EP1S25B672C6N provides 473 I/Os for encoder inputs, PWM outputs, and fieldbus interfaces (Profibus, DeviceNet). Hardware PID loops run in DSP blocks with deterministic latency, while TriMatrix memory stores trajectory tables and lookup data. The commercial-extended temperature grade (0 to 85 C) covers most factory-floor enclosures. For designers maintaining legacy systems, the Stratix family offers proven long-term reliability and toolchain maturity through Altera Quartus II versions that remain available from Intel archives.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho EP1S25B672C6N — 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 | EP1S25B672C6 | EP1S25F672C6N | EP1S25B672C7N | EP1S25F672C7N | EP1S25B672I7N |
|---|---|---|---|---|---|---|
| Brand | Intel | Intel | Intel | Intel | Intel | Intel |
| Package | 672-BBGA | 672-BBGA - same | 672-BBGA - same | 672-BBGA - same | 672-BBGA - same | 672-BBGA - same |
| Logic Elements | 25,660 | 25,660 | 25,660 | 25,660 | 25,660 | 25,660 |
| Number of LABs | 2,566 | 2,566 | 2,566 | 2,566 | 2,566 | 2,566 |
| Total RAM Bits | 1,944,576 | 1,944,576 | 1,944,576 | 1,944,576 | 1,944,576 | 1,944,576 |
| Number of I/O | 473 | 473 | 473 | 473 | 473 | 473 |
| Speed Grade | C6 (mid-speed) | C6 | C6, faster fabric | C7, slower fabric | C7, faster fabric | C7, industrial temp |
| Temperature Grade | Commercial Extended (0 to 85 C) | Commercial | Commercial Extended | Commercial Extended | Commercial Extended | Industrial (-40 to 100 C) |
| Lifecycle Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
Bảo phân biệt quan trọng
- Mid-range Stratix silicon with mature Quartus II toolchain support (vsCyclone IV EP4CE75F29)
- Identical silicon across all speed-grade variants (vsEP1S25F672C6N)
- Industrial temperature option in same footprint (vsEP1S25B672I7N)
Ghi chú thiết kế
The EP1S25B672C6N requires multiple supply rails: 1.5 V core (VCCINT), 3.3 V or 2.5 V I/O (VCCIO), and separate PLL analog supply (VCCA_PLL) typically at 2.5 V or 1.5 V. Decoupling must include bulk capacitors (47-220 uF) per supply plus 0.1 uF and 0.01 uF high-frequency ceramics at every VCC pin. Power sequencing should bring VCCINT up before or simultaneously with VCCIO to avoid latch-up. Reference the Stratix Family Data Sheet section on PowerPin Connections and Decoupling for layout guidance.
Estimated thermal dissipation for the EP1S25B672C6N depends heavily on toggle rate, utilization, and I/O switching. With 60% utilization at 200 MHz clock and 50% I/O toggle, a typical junction-to-ambient thermal resistance (theta_JA) for a 672-BGA with sufficient PCB thermal vias (12+ vias under the BGA thermal pad region) is around 8-12 C/W. With 10 W internal dissipation, junction temperature rise above ambient is approximately 100 C, requiring airflow or heatsink. Designers should monitor junction temperature via the on-die temperature-sensing diode (Tsd) for safety.
The 672-BGA package requires fanout on at least a 6-layer PCB with 1.27 mm pitch. Use microvia (laser-drilled) stacks for inner-row escape to maintain signal integrity on high-speed LVDS pairs. Matched-length routing within ±50 mil is recommended for differential pairs, and the entire BGA footprint requires a continuous ground plane beneath for return-path integrity. Reference the Altera Stratix Hardware Design Guidelines for board stackup and routing recommendations. Maintain keepout zones around PLL analog supplies to avoid noise injection.
Common pitfalls include: (1) failing to assign clock constraints in Quartus II, leading to poor timing closure; (2) exceeding maximum I/O current per bank (refer to datasheet for bank power limits); (3) configuring dual-purpose pins (e.g., data/byte-enable) without setting them correctly in the configuration scheme; (4) leaving JTAG pins floating - tie TMS high with 10 kohm and provide TCK pull-down per IEEE 1149.1; (5) ignoring MSL (Moisture Sensitivity Level) floor-life requirements for BGA packages - bake before reflow if humidity indicator card is out of spec.
Place configuration device (EPC16 or compatible) within 6 inches of the Stratix DATA pins to avoid signal-integrity issues during configuration. Provide proper JTAG chain access for board-level testability. Keep high-speed LVDS traces on inner layers with continuous reference planes, and route clock signals first with controlled impedance (typically 50 ohm single-ended, 100 ohm differential). Avoid routing signals across split power planes or under noisy clock sources.
Thông tin tuân thủ
Original Stratix devices predate widespread RoHS documentation; specific date codes must be verified with the supplier. AEC-Q100 is not applicable as this is an industrial/commercial FPGA, not automotive-grade.
