EPC20LC20U vs EPC21C20U 对比
详细并排对比 EPC20LC20U 出自 Intel 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 | EPC20LC20U | EPC21C20U |
|---|---|---|
| 品牌 | Intel | 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） | $8.20 | $9.85 |
| Manufacturer | Altera Corporation (now Intel) | Intel / Altera |
| 功能 | FPGA Configuration Device (Serial Configuration PROM) | — |
| 存储器类型 | Non-volatile configuration memory | — |
| Configuration Interface | Serial (DATA, DCLK, nCS, nINIT_CONF, nSTATUS, OE) | — |
| Operating Voltage | 5.0 V (typical) | — |
| Absolute Maximum DC Input | -0.3 V to 7.0 V | — |
| Transient Input Tolerance | -2.0 V undershoot to 7.0 V overshoot (<100 mA, <20 ns) | — |
| Package Type | PLCC-20 (J-lead, plastic leaded chip carrier) | — |
| 引脚数量 | 20 | — |
| 安装类型 | Surface Mount (PLCC socket compatible) | Surface Mount (BGA) |
| Compatible FPGA Families | Altera FLEX 6000, FLEX 8000, FLEX 10K, APEX, ACEX, early Cyclone | — |
| In-System Programming | Supported via JTAG / Quartus programmer | — |
| RoHS 状态 | [DATA_NEEDED: RoHS compliance status] | Compliant (per Intel/Altera product page) |
| 工作温度范围 | [DATA_NEEDED: industrial/commercial grade] | — |
| Lead-Free / Halogen-Free | [DATA_NEEDED: lead-free status] | — |
| 生命周期状态 | Obsolete / Last-time-buy in distribution | — |
| 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 |
| 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) |
| Lead-Free | — | Yes |
| Configuration Mode | — | Passive Serial (PS) / Active Serial (AS) via FPGA controller |