EPC22C20N vs EPC21C20U 对比
详细并排对比 EPC22C20N 出自 Altera 和 EPC21C20U 出自 Intel。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 | EPC22C20N | EPC21C20U |
|---|---|---|
| 品牌 | Altera | Intel |
| 分类 | Memory ICs | Memory ICs |
| 生命周期状态 | Obsolete | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $11.40 | $9.85 |
| Manufacturer | Intel (formerly Altera) | Intel / Altera |
| Device Type | Configuration PROM for SRAM-based LUT FPGAs | — |
| Target FPGA Family | FLEX 10K, FLEX 6000, APEX 20K series | — |
| Configuration Interface | Serial (DCLK / DATA0 / nCONFIG / nSTATUS / CONF_DONE) | — |
| Programming Interface | IEEE 1149.1 JTAG (in-system programmable) | — |
| 电源电压 | 3.3 V or 5 V | — |
| 封装 | 20-pin PLCC (J-lead) | 20-pin UBGA (Ultra FineLine BGA) - also called 20-pin FBGA |
| Package Marking Code | EPC22C20N | — |
| 引脚数量 | 20 | — |
| 安装类型 | Surface Mount / Socket | Surface Mount (BGA) |
| 工作温度 | [DATA_NEEDED: operating temperature range] | -40 C to +85 C (industrial) |
| Bitstream Capacity | [DATA_NEEDED: bitstream capacity in bits] | — |
| Configuration Time | [DATA_NEEDED: typical configuration time] | — |
| RoHS 状态 | [DATA_NEEDED: RoHS status] | Compliant (per Intel/Altera product page) |
| Lead-Free Status | [DATA_NEEDED: lead-free status] | — |
| 生命周期状态 | Obsolete (last-time-buy from Altera announced for legacy configuration devices) | — |
| Product Type | — | Configuration Device (Boot Flash) |
| 存储容量 | — | 20 Mbit (2.5 Mbyte) |
| 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) |
| 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 |
| Lead-Free | — | Yes |
| Configuration Mode | — | Passive Serial (PS) / Active Serial (AS) via FPGA controller |