27C512QC-55 vs 27C512-20FA 对比
详细并排对比 27C512QC-55 出自 Macronix 和 27C512-20FA 出自 NXP Semiconductors。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 | 27C512-20FA |
|---|---|---|
| 品牌 | Macronix | NXP Semiconductors |
| 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 | $1.85 |
| Memory Organization | 512K-bit (64K x 8) | — |
| 存储器类型 | CMOS UV EPROM | UV / OTP EPROM (non-volatile) |
| Access Time | 55 ns | — |
| Supply Voltage (Read) | Single +5 V | — |
| Programming Voltage (VPP) | +12.5 V | — |
| Family Speed Grades | 45/55/70/90/100/120/150 ns | — |
| Operation | Totally static | — |
| 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) | — |
| Erase Method | Ultraviolet light through quartz window | — |
| 安装类型 | Through Hole | Through Hole |
| RoHS 状态 | [DATA_NEEDED: RoHS status] | unknown |
| 工作温度 | [DATA_NEEDED: operating temperature range] | — |
| Standby Current | [DATA_NEEDED: standby current] | — |
| 存储容量 | — | 524,288 bit (512 Kbit) |
| 存储组织 | — | 64K x 8 |
| Maximum Access Time | — | 200 ns |
| Supply Voltage Range | — | 4.5 V to 5.5 V |
| Technology | — | CMOS EPROM |
| Temperature Grade | — | Commercial |
| Number of Terminals | — | 28 |
| Package Code | — | DIP (rectangular) |
| Access Mode | — | Asynchronous |
| 输出类型 | — | Tri-state, 8-bit parallel |
| Address Inputs | — | A0 to A15 (16-bit address bus) |
| Control Signals | — | /CE (chip enable), /OE (output enable), /PGM |
| Operating Supply Nominal | — | 5 V |