27C512-20 vs 27C512QC-55 对比
详细并排对比 27C512-20 出自 Fujitsu 和 27C512QC-55 出自 Macronix。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 | 27C512-20 | 27C512QC-55 |
|---|---|---|
| 品牌 | Fujitsu | Macronix |
| 分类 | Memory ICs | Memory ICs |
| 生命周期状态 | Obsolete | 停产 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $4.10 | $4.22 |
| 存储器类型 | UV EPROM | CMOS UV EPROM |
| Technology | CMOS | — |
| Density | 512 Kbit (524,288 bits) | — |
| 存储组织 | 64K x 8 | — |
| Maximum Access Time | 200 ns | — |
| Supply Voltage (VCC) | 5 V | — |
| Outputs | 3-state | — |
| Operation | Asynchronous | Totally static |
| 封装 | CQCC32 / LCC32 (ceramic, UV window) | 28-pin ceramic DIP with quartz window (QC) |
| 安装类型 | Surface Mount | Through Hole |
| Erase Method | Ultraviolet light | Ultraviolet light through quartz window |
| 接口 | Parallel | — |
| Word Size | 8 bit | — |
| Address Count | 65,536 words | — |
| 工作温度 | [DATA_NEEDED: operating temperature range] | [DATA_NEEDED: operating temperature range] |
| Standby Current | [DATA_NEEDED: standby current] | [DATA_NEEDED: standby current] |
| Programming Voltage (VPP) | [DATA_NEEDED: VPP voltage] | +12.5 V |
| Memory Organization | — | 512K-bit (64K x 8) |
| Access Time | — | 55 ns |
| Supply Voltage (Read) | — | Single +5 V |
| Family Speed Grades | — | 45/55/70/90/100/120/150 ns |
| Interface Compatibility | — | Completely TTL compatible |
| Address Bus | — | A0 to A14 (15 lines) |
| Data Bus | — | D0 to D7 (8 lines, bidirectional 3-state) |
| RoHS 状态 | — | [DATA_NEEDED: RoHS status] |