EPC2LC20NUBAF48 vs EPC1LC20 对比
详细并排对比 EPC2LC20NUBAF48 出自 Altera 和 EPC1LC20 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 | EPC2LC20NUBAF48 | EPC1LC20 |
|---|---|---|
| 品牌 | Altera | Intel |
| 分类 | FPGA & CPLD | Memory ICs |
| 生命周期状态 | Obsolete | Obsolete |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $16.40 | $7.95 |
| 存储器类型 | Non-volatile flash configuration PROM | Non-volatile configuration memory (Flash/EPROM) |
| Memory Density | 2 Mbit (2,097,152 bits) | — |
| Core Supply Voltage (VCC) | 3.3 V (low-voltage 'L' variant) | — |
| I/O Logic Levels | 3.3 V LVCMOS (5V-tolerant inputs) | — |
| Configuration Interface | Altera serial (DATA, DCLK, nCS, ASDO) | — |
| JTAG / ISP Support | IEEE 1532 / JTAG in-system programming | — |
| Cascade Support | Yes - dedicated nCASC pin for 2-device chains | — |
| Programming Voltage | Internal 3.3V generation, no external VPP | — |
| FPGA Compatibility | APEX II, APEX 20K, Mercury, ACEX 1K, FLEX 10K, FLEX 6000 | — |
| 封装 | 20-pin Ultra FineLine BGA (UBGA, NU suffix) | 20-pin PLCC (J-leaded, surface mount) |
| 工作温度 | -40C to +85C (industrial) | [DATA_NEEDED: Operating temperature range] |
| Configuration Clock | Internal oscillator (DCLK output to FPGA) | — |
| Programming Tools | Quartus II Programmer, ByteBlaster II, USB-Blaster | — |
| RoHS 状态 | [DATA_NEEDED: RoHS status] | [DATA_NEEDED: RoHS status] |
| Lead-Free | [DATA_NEEDED: lead-free status] | — |
| Memory Capacity | — | 1 Mbit (1,048,576 bits) |
| 接口类型 | — | Serial configuration interface |
| Maximum DCLK Frequency | — | 8 MHz |
| 电源电压 | — | 3.3 V or 5.0 V |
| In-System Programmability | — | Yes (IEEE 1149.1 / JTAG) |
| Programmable Voltage | — | 5.0 V and 3.3 V ISP |
| Configuration Mode | — | Serial, multi-device daisy-chain capable |
| 引脚数量 | — | 20 |
| 安装类型 | — | Surface Mount |
| Compatible FPGA Families | — | ACEX 1K, APEX 20K, FLEX 10K, Cyclone, Mercury |
| JTAG Pins | — | TCK, TMS, TDI, TDO |