EP20K400EBC652-1 - APEX-20KE FPGA, 400K Gates, 488 I/O, 652-BGA | Altera
料号： EP20K400EBC652-1 ✗ 停产| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $156.5417 | $156.54 |
| 10 | $145 | $1,450.00 |
| 50 | $132 | $6,600.00 |
| 100 | $122 | $12,200.00 |
| 500 | $110 | $55,000.00 |
EP20K400EBC652-1 概述
An FPGA (Field Programmable Gate Array) is a type of integrated circuit whose internal logic blocks, routing, and I/O cells are user-defined after manufacture, enabling designers to implement custom digital logic, glue logic, bus bridges, DSP datapaths, and even full soft-processor systems. FPGAs sit at the top of the programmable-logic hierarchy (FPGA > CPLD > PLD > programmable logic) and are used whenever time-to-market, field reconfigurability, or per-unit logic density cannot be served by a fixed ASIC. The APEX-20KE family belongs to the early-2000s generation of SRAM-based FPGAs and predates the modern Cyclone/Stratix families, but it remains in service in long-lifecycle equipment where re-design is costly.
Key features include 400K typical gates, 16,640 logic elements (macros), 488 user I/Os (with up to 502 depending on configuration), a 652-ball fine-pitch BGA (45x45 mm) package, and a 2.5V I/O supply with 1.71V to 1.89V core supply range. The device embeds up to 212,992 RAM bits distributed across Embedded System Blocks (ESBs), allowing on-chip FIFOs, dual-port RAM, and CAM functions without external memory. Fast interconnect and dedicated carry chains support arithmetic-intensive datapaths such as multipliers and address generators.
The APEX-20KE architecture pairs four-input LUTs with ESBs that can each implement either dual-port RAM, single-port RAM, ROM, or a product-term logic block. This hybrid structure gives designers a blend of coarse-grained block memory and fine-grained register-rich logic. The -1 speed grade indicates the fastest commercial bin; slower -2 and -3 grades are typically available for cost-sensitive designs. Configuration is via an industry-standard passive serial, passive parallel synchronous, passive parallel asynchronous, or JTAG interface, supporting in-system reprogrammability for firmware updates in the field.
Typical applications for the EP20K400EBC652-1 include telecommunications line cards, industrial control and motion-control systems, high-performance computing accelerators, and test-and-measurement instrumentation. It is also commonly deployed in legacy avionics and defense platforms where re-spinning a board around a newer FPGA is not economically viable.
When designing with this part, pay close attention to power sequencing: the core (VCCINT) must reach its 1.8V rail before the I/O (VCCIO) rail, otherwise the I/O buffers can latch up and permanently damage the device. Decoupling must follow Altera's APEX-20KE reference design, and the 652-BGA land pattern demands a 4-layer minimum PCB with controlled-impedance routing for clock and high-speed I/O traces.
This page synthesizes distributor pricing, same-package alternatives, and practical design notes not found in the manufacturer datasheet, giving engineers a one-stop reference for sourcing and applying the EP20K400EBC652-1.
直接替换替代料： EP20K400EBC652-1 ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： EP20K400EBC652-1 （相同外形与封装尺寸） ——差异在于 Operating Temperature, Package, Speed Grade, Family, Series.
快速对比工具——选择替代料号进行并排对比：
EP20K400EBC652-1X
✅ 直接替换✓ 有现货
$92 / 个
查看数据手册 →EP20K400EBC652-1V
✅ 直接替换📋 参考替代料（不在目录中）
EP20K400BC652-1
✅ 直接替换✓ 有现货
$108 / 个
查看数据手册 →EP20K400BC652-1X
✅ 直接替换✓ 有现货
$140 / 个
查看数据手册 →EP20K400BC652-1V
✅ 直接替换✓ 有现货
$47.95 / 个
查看数据手册 →EP20K400BC652-1XV
✅ 直接替换✓ 有现货
$115 / 个
查看数据手册 →EP20K400BC652-1XVQ
✅ 直接替换✓ 有现货
$152 / 个
查看数据手册 →EP20K400BC652-2V
✅ 直接替换✓ 有现货
$260 / 个
查看数据手册 →EP20K400EBC652-1 最大额定值与电气特性
| Series | APEX-20KE |
| Family | APEX-20KE Field Programmable Gate Array |
| Logic Elements / Cells | 16,640 |
| Number of Macros | 1664 |
| Total RAM Bits | 212,992 |
| Number of I/O | 488 |
| User I/Os (max, depending on configuration) | 502 |
| Number of Gates (typical) | 400,000 |
| Core Supply Voltage (VCCINT) | 1.71 V to 1.89 V (nominal 1.8 V) |
| I/O Supply Voltage (VCCIO) | 2.5 V |
| Logic Family | CMOS |
| Propagation Delay | 2.5 ns |
| 工作温度 | 0 C to 85 C (commercial) |
| Speed Grade | -1 (fastest commercial) |
| 封装 / 外壳 | 652-BGA (45x45 mm) |
| 安装类型 | Surface Mount |
EP20K400EBC652-1 652-bga (45x45 mm) 引脚配置指南
EP20K400EBC652-1（652-bga (45x45 mm) 封装）的引脚配置。 该数字 IC 包含 GPIO、通信接口（UART、SPI、I2C）和电源引脚。请参阅制造商数据手册以了解复用引脚功能和配置选项。对嵌入式系统设计和 PCB 布局至关重要。
暂无详细引脚数据： EP20K400EBC652-1.
请参阅 数据手册 以查看完整引脚配置。
典型应用
EP20K400EBC652-1 适用于 6 应用s: Telecommunications Line Card Interface, Industrial Motion Control and PLC Backplane, Test and Measurement Instrumentation, Legacy Avionics and Defense Backplanes, High-Performance Computing Accelerator Card, Legacy Networking Switch and Router Fabric.
Telecommunications Line Card Interface
The EP20K400EBC652-1 is well matched to legacy telecom line-card designs where its 488 user I/Os map directly onto T1/E1 framers, UTOPIA / POS-PHY interfaces, and parallel bus bridges. The 16,640 logic elements give enough capacity for HDLC controllers, ATM cell reassembly, and per-channel statistics counters in a single device, while the 212,992 bits of embedded RAM absorb jitter buffers and lookup tables. The 652-BGA package supports the dense I/O count without forcing multi-FPGA partitioning, and the 1.8V core / 2.5V I/O rail set co-exists with classic 2.5V PHY interfaces. Designers should use the APEX-20KE PLL for clock-cleaning from the line-card backplane.
推荐
Industrial Motion Control and PLC Backplane
In industrial motion controllers, the EP20K400EBC652-1 drives multi-axis servo loops, encoder interfaces, and fieldbus bridges (Profibus, CANopen, EtherCAT MAC) with deterministic logic. Its 16,640 logic elements support PID state machines, trajectory planners, and PWM generators in parallel; the 488 I/Os accommodate incremental encoder inputs (A/B/Index), Hall sensors, and parallel-bus HMI panels without external muxing. The commercial 0C to 85C range covers most factory-floor enclosures, and the embedded system blocks (ESBs) deliver dual-port RAM for inter-axis data sharing. The 652-BGA's 45x45 mm footprint fits a typical 4-layer PLC backplane while keeping critical traces short.
推荐
Test and Measurement Instrumentation
Test instruments such as logic analyzers, protocol exercisers, and ATE pin-electronics boards historically relied on the EP20K400EBC652-1 for pattern generation and timing-edge synthesis. The 488 user I/Os map onto 32-bit data buses plus mask and strobe channels, and the ESB memory implements deep capture buffers and look-up-table-based waveform synthesis. The 2.5 ns propagation delay gives comfortable timing margin for 100 MHz pattern rates, while the 1.8V core / 2.5V I/O combination pairs naturally with ECL/TTL level translators. The 652-BGA package is suitable for high-density ATE loadboards with controlled-impedance routing.
推荐
Legacy Avionics and Defense Backplanes
Long-lifecycle avionics and defense systems continue to specify the EP20K400EBC652-1 because re-spinning a DO-254 / MIL-STD-810 qualified board around a newer FPGA is prohibitively expensive. The 488 I/Os in the 652-BGA package support ARINC 429, MIL-STD-1553, and discrete avionics buses with single-chip integration. Altera's SOPC architecture enables soft-core processors (Nios) for built-in-test routines, while the ESB memory stores mission-critical configuration parameters. Rochester Electronics sustains the part under the Altera-legacy program, supporting multi-decade defense procurement cycles.
推荐
High-Performance Computing Accelerator Card
Compute accelerator cards in HPC clusters historically used APEX-20KE devices as co-processors for FFT pipelines, encryption offload, and lossless data compression. The 16,640 logic elements sustain 32-bit datapaths at 100 MHz, while 212,992 bits of embedded RAM implement pipeline buffers and coefficient ROMs. The 652-BGA package supports a PCI-X or custom-proprietary host interface alongside multiple high-speed serial or parallel expansion ports. The device is programmed via JTAG in production, supporting field-updatable firmware for evolving HPC workloads.
推荐
Legacy Networking Switch and Router Fabric
Enterprise-class switching and routing platforms deployed in the early 2000s leveraged the EP20K400EBC652-1 to build multi-gigabit Ethernet MACs, CAM-based L2/L3 lookup engines, and fabric serializers. The 488 I/Os absorb parallel GMII / XAUI side interfaces plus management bus and LED drivers, and the ESB blocks implement ternary CAM and FIFO queues without external memory. The 1.8V core and 2.5V I/O rails align with classic PHY interfaces of that era. For field-replacement units, the 652-BGA footprint preserves board compatibility across hardware revisions.
推荐
推荐产品汇总
工程参考数据： EP20K400EBC652-1 ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | EP20K400EBC652-1X | EP20K400EBC652-1V | EP20K400BC652-1 | EP20K400BC652-1X | EP20K400BC652-1V | EP20K400BC652-1XV | EP20K400BC652-1XVQ | EP20K400BC652-2V |
|---|---|---|---|---|---|---|---|---|---|
| Package | 652-BGA (45x45 mm) | 652-BGA (45x45 mm) - same | 652-BGA (45x45 mm) - same | 652-BGA (45x45 mm) - same | 652-BGA (45x45 mm) - same | 652-BGA (45x45 mm) - same | 652-BGA (45x45 mm) - same | 652-BGA (45x45 mm) - same | 652-BGA (45x45 mm) - same |
| Brand | Altera (Intel) | Altera (Intel) | Altera (Intel) | Altera (Intel) | Altera (Intel) | Altera (Intel) | Altera (Intel) | Altera (Intel) | Altera (Intel) |
| Series / Family | APEX-20KE | APEX-20KE | APEX-20KE | APEX-20K (pre-E) | APEX-20K (pre-E) | APEX-20K (pre-E) | APEX-20K (pre-E) | APEX-20K (pre-E) | APEX-20K (pre-E) |
| Logic Elements | 16,640 | 16,640 | 16,640 | 16,640 | 16,640 | 16,640 | 16,640 | 16,640 | 16,640 |
| Number of User I/Os | 488 | 488 | 488 | 488 | 488 | 488 | 488 | 488 | 488 |
| Speed Grade | -1 | -1X | -1V | -1 | -1X | -1V | -1XV | -1XVQ | -2V (slower) |
| Core Voltage (VCCINT) | 1.71V-1.89V (1.8V typ) | 1.71V-1.89V | 1.71V-1.89V | 1.71V-1.89V | 1.71V-1.89V | 1.71V-1.89V | 1.71V-1.89V | 1.71V-1.89V | 1.71V-1.89V |
| Bitstream / Tool Compatibility | APEX-20KE (Quartus II) | APEX-20KE (same) | APEX-20KE (same) | APEX-20K (re-compile required) | APEX-20K (re-compile required) | APEX-20K (re-compile required) | APEX-20K (re-compile required) | APEX-20K (re-compile required) | APEX-20K (re-compile required) |
关键差异点
- Highest speed grade available in the APEX-20KE 400K family （对比 EP20K400EBC652-2)
- Enhanced APEX-20KE architecture (E-suffix) （对比 EP20K400BC652-1)
- 488 user I/Os in a single 652-BGA package （对比 EP20K400EFC672-2X)
设计说明
Estimated: At VCCINT = 1.8 V and typical utilization of 60% (10,000 LE at ~50 MHz toggle rate, plus 488 I/O switching), the APEX-20KE core draws roughly 1.5 to 2.5 A. Add the I/O supply at 2.5 V with 488 outputs toggling at 25 MHz into 30 pF loads, and the VCCIO current rises another 0.5 to 1.0 A. The 652-BGA's thermal resistance is approximately 0.4 C/W with adequate PCB copper, giving a 30C to 40C junction rise above ambient. Design the power-supply decoupling per Altera's APEX-20KE reference: 0.1 uF X7R at every VCCINT/VCCIO ball pair, plus bulk 47 to 100 uF tantalum or polymer caps at each rail.
The 652-BGA with 1.27 mm pitch demands a 4-layer minimum PCB with microvia technology on the BGA fan-out. Route all high-speed clocks (CLK, PLL outputs) on the top layer with controlled 50 ohm impedance and length-matching within +/- 50 mil across banks. Use continuous ground planes on layers 2 and 4, and stitch the BGA via field with a ground via fence every 2 mm. The 652-ball land pattern is documented in the Altera APEX-20KE Package Mechanical Drawing; verify the BGA ball size against your PCB house's laser-drilled via stack-up before fab-out.
Common pitfalls with the EP20K400EBC652-1: (1) Power sequencing - VCCINT must reach 1.8V before VCCIO reaches 2.5V; reverse sequencing can latch up and permanently damage the device. (2) Configuration mode - MSEL[2:0] pins must be tied to the correct logic level for the desired configuration scheme (passive serial / parallel / JTAG); a floating MSEL prevents the device from entering user mode. (3) Bitstream mismatch - substituting an APEX-20KE silicon with the original APEX-20K (e.g. EP20K400BC652-1) without re-compiling in Quartus II produces a non-functional device, even though the footprint and ballout match. Always re-validate timing closure after a silicon swap.
合规信息
RoHS, REACH, lead-free, and halogen-free status for the EP20K400EBC652-1 were not present in the verified web data; mark as [DATA_NEEDED] in specs and 'unknown' in compliance_info. The device is a mature Altera/Intel FPGA and is sustained only for legacy programs by Rochester Electronics.