EPC21C20U vs EPC22C20N 对比
详细并排对比 EPC21C20U 出自 Intel 和 EPC22C20N 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 | EPC22C20N |
|---|---|---|
| 品牌 | Intel | Altera |
| 分类 | Memory ICs | Memory ICs |
| 生命周期状态 | 有效 | Obsolete |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $9.85 | $11.40 |
| Manufacturer | Intel / Altera | Intel (formerly Altera) |
| 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) | — |
| 封装 | 20-pin UBGA (Ultra FineLine BGA) - also called 20-pin FBGA | 20-pin PLCC (J-lead) |
| 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) | [DATA_NEEDED: operating temperature range] |
| 安装类型 | Surface Mount (BGA) | Surface Mount / Socket |
| RoHS 状态 | Compliant (per Intel/Altera product page) | [DATA_NEEDED: RoHS status] |
| Lead-Free | Yes | — |
| Configuration Mode | Passive Serial (PS) / Active Serial (AS) via FPGA controller | — |
| 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 |
| Package Marking Code | — | EPC22C20N |
| 引脚数量 | — | 20 |
| Bitstream Capacity | — | [DATA_NEEDED: bitstream capacity in bits] |
| Configuration Time | — | [DATA_NEEDED: typical configuration time] |
| 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) |