EPC448PC-20 vs EPC2LC20 对比
详细并排对比 EPC448PC-20 出自 Altera 和 EPC2LC20 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 | EPC448PC-20 | EPC2LC20 |
|---|---|---|
| 品牌 | Altera | Altera |
| 分类 | Memory ICs | Memory ICs |
| 生命周期状态 | Obsolete | 不推荐新设计 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $10.25 | $7.20 |
| Device Family | Enhanced Configuration Device (EPC) | — |
| Memory Density | 4 Mbit (4,194,304 bits) | — |
| Speed Grade | -20 | — |
| Supply Voltage (VCC) | 3.3 V | — |
| Configuration Clock (Max) | 20 MHz | — |
| Interface to FPGA | Dedicated Altera/Intel configuration serial (Active Serial) | — |
| Programming Interface | JTAG (IEEE 1149.1) ISP | IEEE 1149.1 (JTAG) ISP, 5.0-V and 3.3-V tolerant |
| 封装 | 20-ball PC-BGA | 20-pin PLCC (J-lead, 9x9 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| 工作温度 | [DATA_NEEDED: operating temperature range] | -40C to +85C (industrial) [DATA_NEEDED: exact grade from datasheet] |
| Configuration Time (typical 4 Mbit) | Approx. 200 ms at 20 MHz | — |
| Supported FPGA Series | APEX 20K, ACEX 1K, Cyclone, Cyclone II/III, Stratix/Stratix II | — |
| Compression | Supported (1.5x to 2x depending on bitstream) | — |
| RoHS 状态 | [DATA_NEEDED: RoHS status] | Non-Compliant (original Altera Pb-containing part) |
| Lead-Free | [DATA_NEEDED: lead-free status] | — |
| 存储器类型 | — | Non-volatile configuration PROM |
| 存储容量 | — | 1.6 Mbit |
| Configuration Interface | — | Serial (x1) to FPGA via DCLK/nCONFIG/nSTATUS/CONF_DONE |
| Supply Voltage VCC | — | 3.0 V to 3.6 V (3.3-V operation) |
| ISP Voltage Range | — | 5.0 V or 3.3 V |
| Supported FPGA Families | — | ACEX 1K, APEX 20K/20KC/20KE, APEX II, Arria GX, Cyclone, Cyclone II, FLEX 10K, FLEX 6000, MAX 9000 |
| Cascade Support | — | Yes - daisy-chain multiple EPC2 devices via JTAG for larger bitstreams |
| Lead-Free Version | — | EPC2LC20N available as lead-free equivalent |
| Programming Support | — | Altera Programming Unit (APU), Quartus II, JTAG programmer |
| Boundary-Scan | — | IEEE 1149.1 compliant, 8-bit or 16-bit JTAG |