EPC448PC-20 vs EPC2LI20 对比
详细并排对比 EPC448PC-20 出自 Altera 和 EPC2LI20 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 | EPC2LI20 |
|---|---|---|
| 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 | $5.95 |
| 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 | — |
| 封装 | 20-ball PC-BGA | — |
| 安装类型 | Surface Mount | Surface Mount (PLCC socket-compatible) |
| 工作温度 | [DATA_NEEDED: operating temperature range] | -40 C to +85 C (Industrial) |
| 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] | [DATA_NEEDED: RoHS status] |
| Lead-Free | [DATA_NEEDED: lead-free status] | — |
| 存储容量 | — | 1.6 Mb (1,572,864 bits) |
| 存储器类型 | — | Flash (in-system programmable) |
| Programmable Type | — | In System Programmable (ISP) |
| 功能 | — | Configuration PROM for SRAM-based FPGAs |
| Supply Voltage - Operating | — | 3.0 V to 3.6 V and 4.5 V to 5.5 V (auto-sensing) |
| 封装 / 外壳 | — | 20-PLCC (J-lead, 9x9 mm) |
| Configuration Interface | — | Serial or Byte-wide (parallel) |
| Decompression | — | On-chip (supports compressed bitstreams) |
| JTAG / ISP Interface | — | IEEE 1532 (TCK, TMS, TDI, TDO) |
| Multi-Device Support | — | Yes (daisy-chain configuration) |
| User-Accessible Memory | — | Yes (unused flash available to user logic) |
| MSL 等级 | — | [DATA_NEEDED: MSL level] |