27C512-20 vs 27C512-20HW 对比
详细并排对比 27C512-20 出自 Fujitsu 和 27C512-20HW 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 | 27C512-20 | 27C512-20HW |
|---|---|---|
| 品牌 | Fujitsu | Fujitsu |
| 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 | $2.70 |
| 存储器类型 | UV EPROM | CMOS EPROM (UV / OTP) |
| Technology | CMOS | — |
| Density | 512 Kbit (524,288 bits) | — |
| 存储组织 | 64K x 8 | 64K x 8 bit |
| Maximum Access Time | 200 ns | — |
| Supply Voltage (VCC) | 5 V | — |
| Outputs | 3-state | Tri-state, O0 to O7 |
| Operation | Asynchronous | — |
| 封装 | CQCC32 / LCC32 (ceramic, UV window) | LCC32 (32-lead chip carrier) |
| 安装类型 | Surface Mount | Surface Mount |
| Erase Method | Ultraviolet light | UV erase (UV variant) / OTP (windowless 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] | 20 uA typical (CMOS standby) |
| Programming Voltage (VPP) | [DATA_NEEDED: VPP voltage] | [DATA_NEEDED: VPP voltage] |
| 存储容量 | — | 512 Kbit (64K x 8) |
| Access Time | — | 200 ns |
| 电源电压 | — | 5 V +/-10% |
| Programming Algorithm | — | 100% Flashrite programming |
| Pinout | — | JEDEC-approved EPROM pinout |
| Control Signals | — | CE (active-low), OE (active-low) |
| Active Current | — | [DATA_NEEDED: active supply current] |
| Manufacturer | — | Fujitsu |