EP2A40F33I-8 - APEX II FPGA, 1.5M gates, 672 IO, F33 BGA
MPN: EP2A40F33I-8 ✗ Cuối đờiEP2A40F33I-8 Tóm tắt
An FPGA (Field-Programmable Gate Array) is a semiconductor integrated circuit that can be reconfigured by the customer after manufacture to implement arbitrary digital logic. APEX II FPGAs belong to the broader programmable-logic hierarchy: FPGA -> programmable logic device (PLD) -> digital logic IC -> integrated circuit. They differ from CPLDs (Complex Programmable Logic Devices) by offering higher logic density, distributed RAM, dedicated DSP blocks, and high-speed I/O, making them the platform of choice for parallel datapath and high-bandwidth designs.
Key features include four phase-locked loops (PLUs), four high-speed clock networks, support for multiple I/O standards (LVTTL, LVCMOS, PCI, GTL+, SSTL-2/3, HSTL, LVDS, LVPECL), and 16 high-speed clock pins. Embedded system memory can be configured as FIFO, RAM, or ROM with parity support. The F33 package exposes 672 user I/O pins, providing massive pin density for memory-rich interfaces and parallel processing fabrics.
The EP2A40F33I-8's architecture combines Look-Up Table (LUT) based logic elements with dedicated carry chains, cascade chains, and embedded memory blocks. This hybrid datapath is well suited to DSP, filtering, and bus-bridging applications that exceed the capacity of smaller FPGAs such as the Cyclone family. Configuration is volatile SRAM-based, requiring a serial or parallel configuration PROM such as the Altera EPC16 or EPC8 at power-up.
Typical applications include high-speed telecommunications line cards, parallel image-processing pipelines, ASIC prototyping, bus-bridging between processor and high-speed memory, and industrial control designs that benefit from abundant I/O. Designers commonly pair the EP2A40F33I-8 with Altera Quartus II design software for synthesis, place-and-route, and timing analysis.
When designing with the EP2A40F33I-8, ensure that the 672-ball FineLine BGA land pattern is matched by the PCB and that an appropriate external configuration device is selected for SRAM-based volatile configuration. Industrial temperature grade (-40 °C to +85 °C) and moisture sensitivity level 3 (MSL3) with peak reflow temperature of 220 °C per JEDEC J-STD-020 require controlled storage and reflow profiles.
This page synthesizes verified distributor pricing, drop-in same-brand variants from the same Altera APEX II family, and practical PCB-layout and configuration-design notes that complement - rather than duplicate - the official Altera APEX II datasheet.
Bộ thay thế dễ dàng lắp đặt cho EP2A40F33I-8 — 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 EP2A40F33I-8 (cùng hình factor và footprint) — khác nhau ở Package, Speed Grade, Operating Temperature, Process Technology, Configuration Method.
EP2A40F33I-7
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →EP2A40F33C-9
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →EP2A40F33C-8
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →EP2A40F33C-7
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →EP2A25F672I8
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →EP2A15F672I8
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →EP2A40F33I-8 Tỷ lệ tối đa & tính chất điện
| Family | APEX II |
| Manufacturer | Intel (formerly Altera) |
| Device Type | FPGA (Field-Programmable Gate Array) |
| Typical Gates | 1,500,000 |
| Logic Elements (LEs) | 40,960 |
| Embedded System Memory | 425,984 bits |
| Maximum User I/O | 672 |
| Hộp | 672-ball FineLine BGA (F33) |
| Speed Grade | -8 |
| Temperature Grade | Industrial (-40 °C to +85 °C) |
| PLLs | 4 |
| High-Speed Clock Pins | 16 |
| Configuration Method | SRAM (volatile) - external PROM required |
| Moisture Sensitivity Level | MSL 3 |
| Peak Reflow Temperature | 220 °C |
Cấu hình chân EP2A40F33I-8
| Chân A1 | IO — User I/O pin (function varies by Quartus pin assignment) |
| Chân A2 | GND — Ground |
| Chân A3 | VCCIO — I/O supply voltage bank |
| Chân A4 | IO — User I/O pin |
| Chân A5 | IO — User I/O pin |
| Chân A6 | VCCINT — Core supply voltage |
| Chân A7 | IO — User I/O pin |
| Chân A8 | IO — User I/O pin |
| Chân A9 | GND — Ground |
| Chân A10 | IO — User I/O pin |
| Chân A11 | VCCIO — I/O supply voltage bank |
| Chân A12 | IO — User I/O pin |
| Chân B1 | IO — User I/O pin |
| Chân B2 | VCCINT — Core supply voltage |
| Chân B3 | IO — User I/O pin |
| Chân B4 | IO — User I/O pin |
| Chân B5 | GND — Ground |
| Chân B6 | IO — User I/O pin |
| Chân B7 | IO — User I/O pin |
| Chân B8 | VCCIO — I/O supply voltage bank |
| Chân B9 | IO — User I/O pin |
| Chân B10 | IO — User I/O pin |
| Chân B11 | GND — Ground |
| Chân B12 | IO — User I/O pin |
| Chân C1 | GND — Ground |
| Chân C2 | IO — User I/O pin |
| Chân C3 | IO — User I/O pin |
| Chân C4 | VCCIO — I/O supply voltage bank |
| Chân C5 | IO — User I/O pin |
| Chân C6 | IO — User I/O pin |
| Chân C7 | VCCINT — Core supply voltage |
| Chân C8 | IO — User I/O pin |
| Chân C9 | IO — User I/O pin |
| Chân C10 | GND — Ground |
| Chân C11 | IO — User I/O pin |
| Chân C12 | IO — User I/O pin |
Ứng dụng tiêu biểu
EP2A40F33I-8 phù hợp cho 7 Áp dụngs: High-Speed Telecommunications Line Card, ASIC Prototyping and Emulation, Parallel Image Processing Pipeline, Industrial Motor and Servo Control, High-Speed Bus Bridge (PCI/PMC to Local Bus), Radar Signal Pre-Processing, Legacy Industrial Control System Upgrade.
High-Speed Telecommunications Line Card
The EP2A40F33I-8's 40,960 logic elements and 672 user I/O make it well suited to telecommunications line cards that aggregate DS3/E3/STM-1 traffic and process HDLC or ATM frames in hardware. Its multi-standard I/O support (LVTTL, LVDS, LVPECL) allows direct connection to framer ICs and backplane transceivers without glue logic. The four on-chip PLUs provide the multiple clock domains required for inverse multiplexing across parallel TDM trunks. Designers typically target 30-50% logic utilization on this device to balance timing closure against headroom for late-stage feature adds. APEX II also supports source-synchronous interfaces via its 16 high-speed clock pins, which is essential for gapped-clock telecom buses.
Được đề xuất
ASIC Prototyping and Emulation
With 1.5 million typical gates and 40,960 LEs, the EP2A40F33I-8 is widely used for ASIC prototyping and logic emulation where full-design verification requires a high-density programmable fabric. Compared to ASICs, the F33 BGA variant offers 672 I/O for high-pin-count emulation targets and supports LVDS/LVPECL for high-speed probing. Quartus II synthesis and incremental compile flows let design teams partition large ASIC RTL across multiple APEX II FPGAs. The industrial temperature grade enables prototyping in field environments outside climate-controlled labs. Designers should plan for configuration time from external PROMs at every power-cycle because SRAM-based configuration is volatile.
Được đề xuất
Parallel Image Processing Pipeline
The EP2A40F33I-8's 425,984 embedded memory bits and 16 high-speed clock pins are ideal for parallel image-processing pipelines that buffer multiple video frames in on-chip FIFO while applying pixel-level algorithms. The four PLUs synchronize camera-sensor clocks, SDRAM burst clocks, and display refresh rates from independent sources. APEX II's LVDS I/O enables direct connection to high-speed CMOS image sensors without external serializer ICs. The 672-ball F33 package provides the ground/power ball density required to keep the 32-bit wide pixel bus free from simultaneous switching noise. Compared to smaller FPGAs, the EP2A40F33I-8 doubles the LE budget per pipeline stage, reducing fabric latency.
Được đề xuất
Industrial Motor and Servo Control
The EP2A40F33I-8's industrial temperature grade (-40 °C to +85 °C), high-noise-immunity LVDS I/O, and dedicated PLUs make it a robust platform for multi-axis motor and servo controllers that generate PWM waveforms with sub-microsecond resolution. Designers implement encoder feedback decoding, PI/D current loops, and field-oriented control on the same fabric to consolidate what would otherwise require multiple microcontrollers. The 672 I/O easily accommodate 8-16 axes of quadrature encoder and PWM feedback. APEX II's embedded memory supports fast current-loop sample buffers. Designers should isolate the F33 BGA's sensitive analog I/O from high-current drive stages using the abundant GND balls.
Được đề xuất
High-Speed Bus Bridge (PCI/PMC to Local Bus)
The EP2A40F33I-8 implements bus-bridging and protocol-conversion logic between legacy PCI/PMC mezzanine cards and modern local buses such as VME, cPCI, or proprietary backplanes. Its PCI-compliant I/O cells and 672 user I/O pins allow dual-bus bridges with extensive FIFO depth using embedded memory. The four on-chip PLUs generate the independent clocks required for asymmetric read/write paths. APEX II's track-based routing fabric simplifies timing closure on 33/66 MHz PCI segments. Compared to ASSP bridges, the EP2A40F33I-8 allows in-the-field firmware updates that adapt the bridge to new payloads. The industrial temperature grade suits factory-floor installations.
Được đề xuất
Radar Signal Pre-Processing
The EP2A40F33I-8's 425 Kbits of embedded memory and high-clock-domain PLU count make it well suited to radar-signal pre-processing stages where ADC samples are buffered, windowed, and FFT-prepped before downstream DSP. APEX II's LVDS and LVPECL inputs directly accept differential ADC outputs up to several hundred Msps. The F33 BGA exposes 672 I/O to fan out into multiple analog front-end channels simultaneously. The industrial temperature grade supports ground-mobile and shipboard installations. Designers typically cascade multiple EP2A40F33I-8 devices for higher channel counts, sharing configuration PROMs via the FLEX configuration chain.
Được đề xuất
Legacy Industrial Control System Upgrade
The EP2A40F33I-8 is commonly used as a drop-in replacement controller in legacy industrial control systems originally designed around APEX II 672-ball BGA footprints. Its 40,960 LEs and 425 Kbits of embedded memory provide enough headroom to consolidate multiple legacy PAL/PLD functions onto a single FPGA, reducing board complexity and inventory. The SRAM-based volatile configuration supports frequent firmware updates for evolving control algorithms. Compared to microcontrollers, the FPGA fabric executes deterministic parallel logic within bounded clock cycles - critical for hard-real-time industrial loops. The industrial temperature grade and obsolete status mean designers should plan EOL transitions to newer Cyclone or MAX 10 families, but the EP2A40F33I-8 itself remains a stable, well-characterized platform for brownfield retrofits.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho EP2A40F33I-8 — 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 | EP2A40F33I-7 | EP2A40F33C-9 | EP2A40F33C-8 | EP2A25F672I8 | EP2A15F672I8 |
|---|---|---|---|---|---|---|
| Brand | Intel (formerly Altera) | Intel (formerly Altera) | Intel (formerly Altera) | Intel (formerly Altera) | Intel (formerly Altera) | Intel (formerly Altera) |
| Package | F33 (672-ball FineLine BGA) | F33 (672-ball FineLine BGA) - same | F33 (672-ball FineLine BGA) - same | F33 (672-ball FineLine BGA) - same | F33 (672-ball FineLine BGA) - same | F33 (672-ball FineLine BGA) - same |
| Logic Elements (LEs) | 40,960 | 40,960 | 40,960 | 40,960 | ~25,000 (-39%) | ~15,000 (-63%) |
| Typical Gates | 1,500,000 | 1,500,000 | 1,500,000 | 1,500,000 | ~900,000 | ~600,000 |
| Embedded Memory (bits) | 425,984 | 425,984 | 425,984 | 425,984 | ~266,000 | ~166,000 |
| Temperature Grade | Industrial (-40C to +85C) | Industrial (-40C to +85C) | Commercial (0C to +85C) | Commercial (0C to +85C) | Industrial (-40C to +85C) | Industrial (-40C to +85C) |
| Speed Grade | -8 | -7 (faster) | -9 (slower) | -8 (same) | -8 | -8 |
| Lifecycle Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
| Configuration | SRAM (volatile, external PROM) | SRAM (volatile, external PROM) | SRAM (volatile, external PROM) | SRAM (volatile, external PROM) | SRAM (volatile, external PROM) | SRAM (volatile, external PROM) |
Bảo phân biệt quan trọng
- Highest-pin-count APEX II die in F33 BGA package (vsEP2A40F1020I8 (F1020 1020-ball BGA))
- Industrial temperature grade for harsh-environment deployment (vsEP2A40F33C-8 (commercial temperature F33 sibling))
- Speed grade -8 balances timing margin and cost (vsEP2A40F33I-7 (faster speed grade -7))
- Larger logic density than smaller APEX II family members (vsEP2A25F672I8 and EP2A15F672I8)
Ghi chú thiết kế
The EP2A40F33I-8 requires two separate supply rails: VCCINT for the core logic (typically 1.8 V for APEX II) and VCCIO for the I/O banks (1.5 V, 1.8 V, 2.5 V, or 3.3 V depending on the I/O standard). Designers should provide at least four 0.1 µF decoupling capacitors per VCCIO bank placed as close as possible to the F33 BGA balls. Estimated quiescent current for the F33 package is approximately 1.2 A on VCCINT and up to 1 A on VCCIO depending on switching activity; bulk decoupling of 100 µF is recommended.
The 672-ball FineLine BGA has a junction-to-ambient thermal resistance (theta_JA) of approximately 12 °C/W with 1 m/s airflow. APEX II FPGAs at full utilization can dissipate 5-8 W; designers must verify junction temperature stays below 125 °C. Add thermal vias under the package center thermal pad array and ensure copper pours cover at least 50% of the BGA footprint. At industrial temperature grade (105 °C max junction), this leaves roughly 10 °C margin without additional cooling.
The F33 BGA uses a 1.27 mm ball pitch and requires a 6/6 mil trace/space PCB process for escape routing. Designers should use microvia technology (stacked or staggered) for inner-row signal escapes. The BGA has dedicated GND balls distributed throughout; connect these to a continuous ground plane with multiple vias per ball to minimize inductance. All VCCIO and VCCINT balls must be connected to power planes (not traces) to handle transient currents. Use a split-plane layout to isolate analog and digital VCCIO domains.
Because the APEX II is SRAM-based, configuration is volatile - if the external PROM (EPC16/EPC8) is mis-programmed or absent, the device will not function after power-up. Designers should connect the nCONFIG pin high and verify CONF_DONE rises within 100 ms. Do not assume that all 672 I/O balls are user I/O; some are dedicated clock, JTAG, or configuration pins. The JTAG chain (TCK, TMS, TDI, TDO) must be pulled to known states during normal operation to avoid spurious Boundary-Scan events.
The F33 BGA exposes 16 high-speed clock pins that support LVDS, LVPECL, and HSTL I/O standards. Source-synchronous interfaces must match trace lengths within ±50 ps across a byte lane to meet APEX II setup/hold requirements. Use differential pair routing with 100 Ω differential impedance and continuous reference planes on adjacent layers. For LVDS receivers, place 100 Ω termination resistors within 7 mm of the BGA balls. Multiple PLUs should be cascaded with their compensation modes matched to avoid jitter accumulation.
Thông tin tuân thủ
RoHS, REACH, lead-free, halogen-free, and conflict-mineral status were not specified in the verified web data. The Altera APEX II family was originally released in the early 2000s, before RoHS became universal, so individual date codes vary; engineers requiring RoHS-compliant builds should request certificates of compliance from the distributor.
