EP20K400BC652-2V - APEX-20KC FPGA 400K Gates 652-BGA | Altera
MPN： EP20K400BC652-2V ✗ 停產EP20K400BC652-2V 概覽
An FPGA (Field Programmable Gate Array) is a semiconductor device built around an array of configurable logic blocks (CLBs), programmable interconnects, and I/O cells that allow designers to implement arbitrary digital circuits after fabrication. The APEX-20KC family specifically introduced system-on-a-programmable-chip (SOPC) integration by embedding dedicated memory and product-term logic alongside traditional look-up-table logic, occupying the hierarchy: FPGA → programmable logic device (PLD) → logic IC → integrated circuit → semiconductor. The 652-BGA FineLine package exposes up to 488 user I/O pins for high-bandwidth system integration.
Key features of the EP20K400BC652-2V include 16,640 logic elements, 212,992 bits of embedded SRAM organized as ESBs (Embedded System Blocks), 502 maximum user I/O pins, support for LVDS, PCI, and other high-speed I/O standards, and in-system programmability via IEEE 1149.1 JTAG or passive serial configuration. The MultiCore architecture allows time-critical paths to be implemented in product-term logic while data-path operations benefit from LUT-based fabric, optimizing density and speed simultaneously.
Architecturally, the device integrates embedded array blocks (EABs) for memory and complex arithmetic functions alongside logic array blocks (LABs) for general-purpose logic, with FastTrack interconnect routing signals across all four quadrants of the die. The 0.22 µm process and 1.8V core supply provide low-power operation relative to earlier 5V PLDs while supporting modern low-voltage I/O standards required by contemporary ASICs and microprocessors.
Typical applications include high-speed telecommunications backplane interfaces, DSP co-processing pipelines, custom peripheral controllers, and network protocol acceleration. The large embedded memory and high I/O count make it well-suited for data buffering in communications equipment and for prototyping complex glue-logic designs before ASIC conversion.
Design considerations for the EP20K400BC652-2V include thermal management via the 45 mm × 45 mm BGA substrate, multi-rail decoupling for the 1.8V core and 2.5V I/O supplies, and JTAG chain integration for boundary-scan testing. Engineers should consult Altera Quartus design tools for synthesis, place-and-route, and timing closure across the -2V speed grade corner.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, with cross-references sourced from Octopart, DigiKey, and authorized Altera distributors.
直接替換替代品，適用於 EP20K400BC652-2V — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： EP20K400BC652-2V （相同外形與佔位） — 差異在於 Package, Operating Temperature, Family, Series, Speed Grade.
EP20K400BC652-2X
✅ 直接替換📋 參考替代品（不在目錄中）
EP20K400BC652-2N
✅ 直接替換📋 參考替代品（不在目錄中）
EP20K400BC652-2AA
✅ 直接替換聯絡詢價
查看資料表 →EP20K400BC652-1V
✅ 直接替換聯絡詢價
查看資料表 →EP20K400BC652-2AA
✅ 直接替換聯絡詢價
查看資料表 →EP20K400BC652-2V 最大額定值與電氣特性
| Series | APEX-20KC |
| Family | APEX 20K |
| Total System Gates | 1,052,000 (max) |
| Typical Gates | 400,000 |
| Logic Elements | 16,640 |
| Total RAM Bits | 212,992 |
| Number of Logic Cells/Elements | 16,640 |
| Number of I/O | 502 max user I/O |
| Number of Gates | 400,000 |
| Voltage - Supply (Core) | 1.71 V to 1.89 V |
| 安裝類型 | Surface Mount |
| 封裝 / 外殼 | 652-BGA (45x45 mm) |
| Supplier Device Package | 652-BGA |
| Process Technology | 0.22 µm CMOS |
| Speed Grade | -2V |
| 工作溫度 | Industrial (per -2V suffix) |
| RoHS 狀態 | unknown |
EP20K400BC652-2V 652-bga 腳位配置指南
EP20K400BC652-2V（652-bga 封裝）的腳位配置。 此數位 IC 包含 GPIO、通訊介面（UART、SPI、I2C）與電源腳位。替代腳位功能與配置選項請參閱製造商資料表。對嵌入式系統設計與 PCB 佈局至關重要。
無詳細腳位定義資料： EP20K400BC652-2V.
請參閱 資料表 以查看完整腳位配置。
典型應用
EP20K400BC652-2V 適用於 6 應用s: Telecommunications Backplane Interfaces, DSP Co-Processing Pipelines, Legacy ASIC Prototyping and Emulation, Industrial Control and Custom Peripheral Controllers, Network Protocol Acceleration, Test and Measurement Instrumentation.
Telecommunications Backplane Interfaces
The EP20K400BC652-2V is well-suited for telecom backplane glue logic and protocol bridging, where its 502 user I/O pins and 16,640 logic elements can implement UTOPIA, POS-PHY, or proprietary SERDES-framing interfaces between line cards and a switch fabric ASIC. The 212,992 bits of embedded SRAM provide cell/packet buffering without external memory, while the LVDS-capable I/O supports backplane signaling at hundreds of megahertz. Designers should plan for 1.8V core decoupling and LVDS reference-voltage bypassing on each BGA quadrant.
推薦
DSP Co-Processing Pipelines
The EP20K400BC652-2V's MultiCore architecture lets designers implement DSP datapaths (FIR filters, FFT butterflies, Viterbi decoders) in LUT fabric while using product-term logic for control state machines, achieving both density and timing predictability. The 0.22 µm process and -2V speed grade support 200 MHz operation per Altera documentation, sufficient for many baseband processing tasks. The 212,992-bit ESB memory accommodates coefficient tables and intermediate sample buffers, simplifying the host DSP's real-time load.
推薦
Legacy ASIC Prototyping and Emulation
The EPEX-20KC family including EP20K400BC652-2V was widely adopted as an ASIC prototyping platform because its LUT + product-term fabric and 502 I/O pins can emulate large gate-count ASICs before mask commit. Engineers map RTL to the device using Quartus II synthesis, validating system-level functionality months before silicon return. The 652-BGA footprint exposes enough pins to map wide memory buses (DDR, QDR) and high-speed parallel interfaces, making it a common choice for networking ASIC prototypes.
推薦
Industrial Control and Custom Peripheral Controllers
Industrial control systems often require custom peripheral controllers with non-standard bus interfaces, where the EP20K400BC652-2V's 16,640 logic elements and 502 I/O pins allow full implementation of proprietary protocols (custom serial links, parallel ADC/DAC interfaces, motor-control timing logic) without external glue chips. The industrial temperature rating supports factory-floor deployment, and the LVDS I/O allows reliable communication in electrically noisy environments. The embedded memory accommodates look-up tables for sensor calibration and control-loop coefficients.
推薦
Network Protocol Acceleration
The EP20K400BC652-2V can accelerate network protocol processing such as packet classification, encryption pre-processing, or QoS queue management at line rate in switches and routers. Its embedded memory (212,992 bits) stores flow tables and ACL entries, while LUT logic implements parallel match engines that operate on multiple packet headers per clock cycle. The 200 MHz core frequency combined with LVDS I/O supports gigabit-rate aggregate throughput when multiple I/O banks are aggregated, common in early-2000s edge-router architectures.
推薦
Test and Measurement Instrumentation
Test and measurement instruments such as logic analyzers, protocol exercisers, and arbitrary waveform generators benefit from the EP20K400BC652-2V's high I/O count and embedded memory, which can implement deep capture buffers and parallel stimulus generation. The LVDS capability allows direct interface to high-speed ADCs and DACs common in oscilloscope front-ends. The BGA package's 45 mm × 45 mm footprint fits standard instrument board form factors, and the industrial temperature grade supports laboratory and field-deployed instrument environments.
推薦
推薦產品摘要
工程參考資料，適用於 EP20K400BC652-2V — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | EP20K400BC652-2X | EP20K400BC652-2N | EP20K400BC652-2 | EP20K400BC652-1V | EP20K400BC652-2AA |
|---|---|---|---|---|---|---|
| Brand | Altera | Altera | Altera | Altera | Altera | Altera |
| Package | 652-BGA (45x45 mm) | 652-BGA - same | 652-BGA - same | 652-BGA - same | 652-BGA - same | 652-BGA - same |
| Logic Elements | 16,640 | 16,640 | 16,640 | 16,640 | 16,640 | 16,640 |
| Embedded Memory (bits) | 212,992 | 212,992 | 212,992 | 212,992 | 212,992 | 212,992 |
| Speed Grade | -2V | -2X | -2N | -2 | -1V (slower) | -2AA |
| Core Voltage | 1.71 V to 1.89 V | 1.71 V to 1.89 V | 1.71 V to 1.89 V | 1.71 V to 1.89 V | 1.71 V to 1.89 V | 1.71 V to 1.89 V |
| Max User I/O | 502 | 502 | 502 | 502 | 502 | 502 |
| Family | APEX-20KC | APEX-20KC | APEX-20KC | APEX-20KC | APEX-20KC | APEX-20KC |
主要差異化特點
- APEX-20KC MultiCore architecture with both LUT and product-term logic (對比EP20K400BC652-2X)
- High logic density with 16,640 LEs and 502 user I/O (對比EP20K200EBC652-2X)
- 212,992 bits embedded memory for buffer-free packet processing (對比EP20K400BC652-1V)
設計說明
The EP20K400BC652-2V requires a tightly regulated 1.71 V to 1.89 V VCCINT core supply and separate VCCIO rails for 2.5 V I/O standards including LVDS. Decoupling strategy: place 0.1 µF X7R ceramic capacitors adjacent to every fourth power/ground ball pair across the 652-BGA footprint, plus 10 µF tantalum bulk capacitors at each board edge. Estimate: at 200 MHz and high toggle rate, ICCINT may reach 500 mA to 1 A, so the core regulator must deliver at least 2 A with adequate thermal margin.
The 45 mm × 45 mm 652-BGA package dissipates significant heat when operated at full speed across all 502 I/O. The exposed die-attach paddle (if present on the specific BGA variant) should be soldered to a central thermal pad connected to an inner PCB copper plane through a 4×4 or denser thermal via array. Estimate: with θJA around 10 C/W for a properly designed 8-layer board, 3 W of dissipation yields only 30 C rise above ambient, but inadequate via density can push θJA above 20 C/W and risk junction-temperature derating.
The 652-BGA FineLine package requires a multi-layer PCB (8+ layers recommended) with controlled-impedance routing for LVDS pairs. Use 50 Ω single-ended and 100 Ω differential trace geometry, matched within 5 mils on each LVDS pair. The configuration pins (nCONFIG, nSTATUS, CONF_DONE, MSEL[3:0]) must be pulled to known logic levels with 10 kΩ resistors and accessible to the JTAG header. Series damping resistors (33 Ω) on each LVDS output reduce overshoot on long backplane traces.
Common pitfalls: (1) using the EP20K400BC652-2V with current Quartus Prime (the device is only supported through Quartus II v9.0 sp2 - newer toolchains will not synthesize for it); (2) assuming all -2 speed-grade suffixes are identical (Altera's -2V, -2X, -2N, -2AA suffixes encode different speed/temperature bins per the family datasheet, not just marketing codes); (3) missing the I/O bank VCCIO requirements - each of the multiple I/O banks may need its own supply voltage depending on the standard assigned; (4) neglecting configuration mode pin (MSEL) strapping which selects JTAG vs passive-serial vs EPC device loading.
合規資訊
Compliance status not explicitly stated in verified distributor data; APEX-20KC family predates widespread RoHS adoption. AEC-Q100 not applicable to FPGAs in this configuration.