EPC20LC20U vs EPC21LC20 对比
详细并排对比 EPC20LC20U 出自 Intel 和 EPC21LC20 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 | EPC20LC20U | EPC21LC20 |
|---|---|---|
| 品牌 | Intel | Intel |
| 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） | $8.20 | $10.40 |
| Manufacturer | Altera Corporation (now Intel) | — |
| 功能 | FPGA Configuration Device (Serial Configuration PROM) | — |
| 存储器类型 | Non-volatile configuration memory | Serial Configuration PROM (Flash-based, in-system programmable) |
| Configuration Interface | Serial (DATA, DCLK, nCS, nINIT_CONF, nSTATUS, OE) | — |
| Operating Voltage | 5.0 V (typical) | — |
| Absolute Maximum DC Input | -0.3 V to 7.0 V | — |
| Transient Input Tolerance | -2.0 V undershoot to 7.0 V overshoot (<100 mA, <20 ns) | — |
| Package Type | PLCC-20 (J-lead, plastic leaded chip carrier) | — |
| 引脚数量 | 20 | — |
| 安装类型 | Surface Mount (PLCC socket compatible) | Surface Mount (PLCC socket or solder) |
| Compatible FPGA Families | Altera FLEX 6000, FLEX 8000, FLEX 10K, APEX, ACEX, early Cyclone | ACEX, APEX, Cyclone, FLEX, Mercury, Stratix (SRAM-based LUT) |
| In-System Programming | Supported via JTAG / Quartus programmer | — |
| RoHS 状态 | [DATA_NEEDED: RoHS compliance status] | [DATA_NEEDED: confirm from Altera product page] |
| 工作温度范围 | [DATA_NEEDED: industrial/commercial grade] | — |
| Lead-Free / Halogen-Free | [DATA_NEEDED: lead-free status] | — |
| 生命周期状态 | Obsolete / Last-time-buy in distribution | — |
| Density | — | 2 Mb (2,097,152 bits) |
| Configuration Mode Supported | — | Serial (PS) for Altera SRAM-based LUT FPGAs |
| Maximum DCLK Frequency | — | 10 MHz |
| Access Time | — | approximately 35 ns [DATA_NEEDED: confirm exact datasheet figure] |
| Programming Interface | — | IEEE 1149.1 (JTAG) |
| Program/Erase Endurance | — | 100 cycles minimum [DATA_NEEDED: confirm from datasheet] |
| Operating Voltage (VCC) | — | 3.0 V to 3.6 V (3.3 V typical) |
| Standby Current | — | [DATA_NEEDED: ICCSB value] |
| Active Read Current | — | [DATA_NEEDED: ICC active current] |
| Operating Temperature (commercial) | — | 0 °C to +70 °C (LC suffix) |
| Operating Temperature (industrial) | — | [DATA_NEEDED: -40 to +85 °C for LI variant] |
| 封装 / 外壳 | — | 20-pin PLCC (J-lead, JEDEC MS-018) |
| MSL 等级 | — | [DATA_NEEDED: confirm moisture sensitivity level] |
| Lead-Free (Pb-free) | — | [DATA_NEEDED: confirm] |
| JTAG Boundary-Scan Compliant | — | Yes (IEEE Std 1149.1) |
| Data Width | — | 1 bit (serial DATA output) |