EPC21C20U vs EPC1LI20N 对比
详细并排对比 EPC21C20U 出自 Intel 和 EPC1LI20N 出自 Altera。对比关键规格、电气参数、封装、生命周期状态、价格和供货情况，以确定最适合您设计需求的元器件。
规格对比
| 参数 | EPC21C20U | EPC1LI20N |
|---|---|---|
| 品牌 | Intel | Altera |
| 分类 | Memory ICs | Memory ICs |
| 生命周期状态 | 有效 | 最后采购期 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $9.85 | $7.80 |
| Manufacturer | Intel / Altera | — |
| Product Type | Configuration Device (Boot Flash) | — |
| 存储容量 | 20 Mbit (2.5 Mbyte) | 1 Mbit (1,048,576 bits) |
| Supply Voltage (VCC) | 3.0 V to 3.6 V (3.3 V typical) | — |
| 接口 | Altera/Intel Passive Serial (PS) and Active Serial (AS), JTAG (IEEE 1149.1) | — |
| 封装 | 20-pin UBGA (Ultra FineLine BGA) - also called 20-pin FBGA | — |
| In-System Programmability | Yes (via JTAG) | — |
| Bitstream Compression Support | Yes | — |
| Cascade (Multi-Device) Support | Yes (nCASC daisy-chain) | — |
| Supported FPGA Families | APEX II, APEX 20KE, APEX 20KC, Mercury, Stratix, Cyclone, ACEX 1K, FLEX 10KE | — |
| 工作温度 | -40 C to +85 C (industrial) | -40C to +85C (Industrial) |
| 安装类型 | Surface Mount (BGA) | Surface Mount (PLCC socket or solder) |
| RoHS 状态 | Compliant (per Intel/Altera product page) | Compliant |
| Lead-Free | Yes | — |
| Configuration Mode | Passive Serial (PS) / Active Serial (AS) via FPGA controller | — |
| 存储器类型 | — | OTP Configuration PROM (One-Time Programmable) |
| 接口类型 | — | Serial (Altera proprietary configuration protocol) |
| 封装 / 外壳 | — | 20-LCC (J-Lead), PLCC-20 |
| Package Dimensions | — | 9 mm x 9 mm (PLCC-20 J-lead) |
| Supply Voltage - VCCINT | — | 3.0 V to 3.6 V |
| Supply Voltage - VCCIO | — | 4.5 V to 5.5 V |
| JTAG / Boundary Scan | — | IEEE 1149.1 compliant (for programming) |
| Programmable Compression | — | Yes (reduces bitstream 30-55%) |
| Packaging | — | Tube |
| Lead Finish | — | Matte Sn (per JEDEC J-STD-020) |
| Target FPGA Families | — | Cyclone, FLEX 10K, APEX, ACEX 1K (LUT-based) |