27C512-20 vs 27C512-25 对比
详细并排对比 27C512-20 出自 Fujitsu 和 27C512-25 出自 Microchip Technology。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 | 27C512-25 |
|---|---|---|
| 品牌 | Fujitsu | Microchip Technology |
| 分类 | Memory ICs | Memory ICs |
| 生命周期状态 | Obsolete | Obsolete |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $4.10 | $3.20 |
| 存储器类型 | UV EPROM | CMOS EPROM (UV / OTP) |
| Technology | CMOS | CMOS floating gate |
| Density | 512 Kbit (524,288 bits) | — |
| 存储组织 | 64K x 8 | — |
| Maximum Access Time | 200 ns | 250 ns |
| Supply Voltage (VCC) | 5 V | — |
| Outputs | 3-state | — |
| Operation | Asynchronous | — |
| 封装 | CQCC32 / LCC32 (ceramic, UV window) | DIP-28 |
| 安装类型 | Surface Mount | Through Hole |
| Erase Method | Ultraviolet light | UV (windowed variant) or not erasable (OTP variant) |
| 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] | — |
| Programming Voltage (VPP) | [DATA_NEEDED: VPP voltage] | — |
| Memory Organization | — | 64K x 8 (524,288 bits) |
| Supply Voltage (Read Mode) | — | 5 V +/- 10% |
| Standby Current (CMOS) | — | 20 uA typical |
| Operating Mode | — | Asynchronous |
| 输出类型 | — | 3-state, common I/O |
| Pinout Standard | — | JEDEC-approved 28-pin |
| Programming Method | — | High-voltage EPROM programming (Flashrite type) |
| Access Time Guarantee | — | Any byte in less than 250 ns |
| RoHS 状态 | — | [DATA_NEEDED: RoHS status] |