EPC1L20 vs EPC1LI20 对比
详细并排对比 EPC1L20 出自 Altera 和 EPC1LI20 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 | EPC1L20 | EPC1LI20 |
|---|---|---|
| 品牌 | Altera | Altera |
| 分类 | Memory ICs | Memory ICs |
| 生命周期状态 | 有效 | Obsolete |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $3.75 | $8.50 |
| 存储器类型 | OTP Configuration PROM (Flash) | OTP Configuration PROM (EPROM-based) |
| 存储容量 | 1 Mbit | 1 Mb (1,048,576 bits) |
| Configuration Clock (max) | 8 MHz | — |
| Flash Access Time | 90 ns (approx.) | — |
| Max Read Bandwidth | 160 Mbps (16-bit DQ bus) | — |
| 接口 | Serial / FPP configuration + JTAG (IEEE 1149.1) | — |
| 电源电压 | 3.3 V (typical) | — |
| Programmability | One-Time Programmable (OTP) | — |
| 封装 | 20-pin PLCC (9x9 mm) | 20-pin PLCC (J-lead, 9x9 mm) |
| 安装类型 | Through-Hole / Socket | Surface Mount (PLCC socket compatible) |
| 工作温度 | [DATA_NEEDED: operating temperature range] | [DATA_NEEDED: operating temperature range] |
| JTAG / ISP Support | Yes (IEEE 1149.1) | — |
| Compatible FPGA Series | Stratix, Cyclone, APEX, FLEX, ACEX, LUT-based families | — |
| RoHS 状态 | [DATA_NEEDED: RoHS compliance] | [DATA_NEEDED: RoHS status - original Altera part may be non-RoHS SnPb finish] |
| Lead-Free | [DATA_NEEDED: lead-free status] | — |
| Configuration Interface | — | Altera Passive Serial / Altera Active Serial / JTAG (IEEE 1149.1) |
| Maximum Configuration Clock | — | 8 MHz |
| Supply Voltage (VCC) | — | 5.0 V (4.75 V to 5.25 V) |
| Programming Voltage (VPP) | — | 12.75 V (typical, factory-programmed via JTAG) |
| 引脚数量 | — | 20 |
| Cascading Support | — | Yes (nCASC pin for multi-device daisy chain) |
| Endurance | — | OTP (one-time programmable, 1000 erase-equivalent UV cycles for pre-program erase) |
| JTAG Programming | — | Yes (in-system via IEEE 1149.1) |
| Compatible FPGA Families | — | FLEX 8000, FLEX 10K, ACEX 1K, APEX 20K, Mercury |
| MSL 等级 | — | 1 (per Partstack datasheet record) |