EPC21C20U vs EPC27C32N 对比
详细并排对比 EPC21C20U 出自 Intel 和 EPC27C32N 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 | EPC27C32N |
|---|---|---|
| 品牌 | Intel | Altera |
| 分类 | Memory ICs | FPGA & CPLD |
| 生命周期状态 | 有效 | Obsolete |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $9.85 | $9.95 |
| 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 | PLCC-20 |
| 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: industrial/commercial] |
| 安装类型 | Surface Mount (BGA) | Surface Mount (PLCC) |
| RoHS 状态 | Compliant (per Intel/Altera product page) | [DATA_NEEDED: depends on date code; older N suffix often Pb-free] |
| Lead-Free | Yes | — |
| Configuration Mode | Passive Serial (PS) / Active Serial (AS) via FPGA controller | — |
| 存储器类型 | — | Configuration EPROM (non-volatile) |
| Density | — | 32 Mbit |
| Configuration Interface | — | Serial (Altera Passive Serial / Active Serial / JTAG) |
| 电源电压 | — | [DATA_NEEDED: VCC nominal] |
| Supply Voltage Range | — | [DATA_NEEDED: VCC min/max] |
| Programmability | — | In-system programmable (IEEE 1532 / JTAG) |
| Package Code Suffix | — | N = PLCC-20 |
| Multi-device Daisy-chain | — | Yes (page-mode supported) |
| Reconfiguration | — | Software-controllable / on-the-fly via JTAG |
| Lead-free | — | [DATA_NEEDED] |
| Family | — | EPC Enhanced Configuration Device |
| Compatible FPGA Targets | — | Altera Stratix, Cyclone, Arria, FLEX, ACEX series |