EPC2LI20U vs EPC2LI20J 对比
详细并排对比 EPC2LI20U 出自 Altera 和 EPC2LI20J 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 | EPC2LI20U | EPC2LI20J |
|---|---|---|
| 品牌 | Altera | Altera |
| 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） | $7.10 | $9.75 |
| 存储器类型 | Configuration PROM (serial EEPROM) | In-System Programmable Configuration PROM (flash) |
| 存储容量 | 1.6 Mbit (65,536 x 1-bit device) | 1,695,680 bits (1.6Mb) |
| Supply Voltage (VCC) | 3.0 V to 5.5 V (5.0 V nominal) | — |
| Programming Voltage | 5.0 V (via internal charge pump) | — |
| Configuration Interface | Serial 4-pin (DATA, DCLK, nCS, OE) | — |
| Maximum DCLK Frequency | 33 MHz (fast mode) | — |
| 工作温度范围 | -40 C to +85 C (industrial) | — |
| 封装 | 20-pin PLCC (9x9 mm) | 20-pin PLCC with J-leads (JEDEC MS-018) |
| 安装类型 | Surface Mount (PLCC socket) | — |
| Programmability | In-system programmable via JTAG (IEEE 1149.1) | — |
| Cascade Support | Yes (via nCASC pin) | Yes (multi-device configuration chain) |
| Device ID | 32-bit JTAG-readable | — |
| Supported FPGA Families | APEX II, APEX 20K, Mercury, ACEX 1K, FLEX 6000/10KE/10KA | — |
| RoHS 状态 | [DATA_NEEDED: rohs status] | [DATA_NEEDED: RoHS compliance status] |
| MSL 等级 | [DATA_NEEDED: MSL moisture sensitivity level] | — |
| 存储组织 | — | 65,536 x 1-bit (serial interface) |
| 接口 | — | Altera 4-pin serial configuration (DATA, DCLK, nCS, nCONFIG) |
| Target FPGAs | — | APEX II, APEX 20K/20KC/20KE, Mercury, ACEX 1K, FLEX 6000/10KE/10KA |
| Supply Voltage (VCCINT) | — | 3.0 V to 3.6 V (3.3 V typical) |
| I/O Voltage (VCCIO) | — | 5.0 V or 3.3 V tolerant |
| ISP Programming Interface | — | JTAG (IEEE 1149.1) |
| Internal Oscillator | — | Yes (configures without external clock source) |
| 工作温度 | — | -40C to +85C (industrial) |
| Programming Cycles | — | [DATA_NEEDED: minimum endurance cycles] |
| Lead-Free | — | [DATA_NEEDED: lead-free status] |
| Configuration Clock (DCLK) | — | Up to 33 MHz |