EPC21LC20 vs EPC27C32N 对比
详细并排对比 EPC21LC20 出自 Intel 和 EPC27C32N 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 | EPC21LC20 | EPC27C32N |
|---|---|---|
| 品牌 | Intel | Altera |
| 分类 | Memory ICs | FPGA & CPLD |
| 生命周期状态 | 有效 | Obsolete |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $10.40 | $9.95 |
| 存储器类型 | Serial Configuration PROM (Flash-based, in-system programmable) | Configuration EPROM (non-volatile) |
| Density | 2 Mb (2,097,152 bits) | 32 Mbit |
| 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) | — |
| 安装类型 | Surface Mount (PLCC socket or solder) | Surface Mount (PLCC) |
| MSL 等级 | [DATA_NEEDED: confirm moisture sensitivity level] | — |
| RoHS 状态 | [DATA_NEEDED: confirm from Altera product page] | [DATA_NEEDED: depends on date code; older N suffix often Pb-free] |
| Lead-Free (Pb-free) | [DATA_NEEDED: confirm] | — |
| Compatible FPGA Families | ACEX, APEX, Cyclone, FLEX, Mercury, Stratix (SRAM-based LUT) | — |
| JTAG Boundary-Scan Compliant | Yes (IEEE Std 1149.1) | — |
| Data Width | 1 bit (serial DATA output) | — |
| Configuration Interface | — | Serial (Altera Passive Serial / Active Serial / JTAG) |
| 电源电压 | — | [DATA_NEEDED: VCC nominal] |
| Supply Voltage Range | — | [DATA_NEEDED: VCC min/max] |
| Programmability | — | In-system programmable (IEEE 1532 / JTAG) |
| 封装 | — | PLCC-20 |
| Package Code Suffix | — | N = PLCC-20 |
| 工作温度 | — | [DATA_NEEDED: industrial/commercial] |
| Multi-device Daisy-chain | — | Yes (page-mode supported) |
| Reconfiguration | — | Software-controllable / on-the-fly via JTAG |
| Lead-free | — | [DATA_NEEDED] |
| Family | — | EPC Enhanced Configuration Device |
| Compatible FPGA Targets | — | Altera Stratix, Cyclone, Arria, FLEX, ACEX series |
| Manufacturer | — | Intel (formerly Altera) |