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