27C512-20HW vs 27C512-25 对比
详细并排对比 27C512-20HW 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 | 27C512-20HW | 27C512-25 |
|---|---|---|
| 品牌 | Fujitsu | Microchip Technology |
| 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） | $2.70 | $3.20 |
| 存储容量 | 512 Kbit (64K x 8) | — |
| 存储器类型 | CMOS EPROM (UV / OTP) | CMOS EPROM (UV / OTP) |
| Access Time | 200 ns | — |
| 电源电压 | 5 V +/-10% | — |
| Standby Current | 20 uA typical (CMOS standby) | — |
| 存储组织 | 64K x 8 bit | — |
| Programming Algorithm | 100% Flashrite programming | — |
| Pinout | JEDEC-approved EPROM pinout | — |
| Outputs | Tri-state, O0 to O7 | — |
| Control Signals | CE (active-low), OE (active-low) | — |
| 封装 | LCC32 (32-lead chip carrier) | DIP-28 |
| 安装类型 | Surface Mount | Through Hole |
| 工作温度 | [DATA_NEEDED: operating temperature range] | [DATA_NEEDED: operating temperature range] |
| Programming Voltage (VPP) | [DATA_NEEDED: VPP voltage] | — |
| Active Current | [DATA_NEEDED: active supply current] | — |
| Erase Method | UV erase (UV variant) / OTP (windowless variant) | UV (windowed variant) or not erasable (OTP variant) |
| Manufacturer | Fujitsu | — |
| Memory Organization | — | 64K x 8 (524,288 bits) |
| Maximum Access Time | — | 250 ns |
| 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 |
| Technology | — | CMOS floating gate |
| RoHS 状态 | — | [DATA_NEEDED: RoHS status] |