27C512-25 vs 27C512-10 对比
详细并排对比 27C512-25 出自 Microchip Technology 和 27C512-10 出自 Texas Instruments。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 | 27C512-25 | 27C512-10 |
|---|---|---|
| 品牌 | Microchip Technology | Texas Instruments |
| 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） | $3.20 | $2.70 |
| Memory Organization | 64K x 8 (524,288 bits) | — |
| 存储器类型 | CMOS EPROM (UV / OTP) | OTP EPROM (CMOS) |
| Maximum Access Time | 250 ns | — |
| Supply Voltage (Read Mode) | 5 V +/- 10% | — |
| Standby Current (CMOS) | 20 uA typical | — |
| Operating Mode | Asynchronous | Totally static operation |
| 输出类型 | 3-state, common I/O | — |
| Pinout Standard | JEDEC-approved 28-pin | JEDEC-approved 28-pin EPROM pinout |
| 封装 | DIP-28 | 28-pin DIP |
| 安装类型 | Through Hole | Through Hole |
| Programming Method | High-voltage EPROM programming (Flashrite type) | — |
| Erase Method | UV (windowed variant) or not erasable (OTP variant) | One-Time Programmable (not erasable) |
| 工作温度 | [DATA_NEEDED: operating temperature range] | [DATA_NEEDED: operating temperature range] |
| Access Time Guarantee | Any byte in less than 250 ns | — |
| Technology | CMOS floating gate | — |
| RoHS 状态 | [DATA_NEEDED: RoHS status] | unknown |
| 存储容量 | — | 512 Kbit |
| 存储组织 | — | 64K x 8 |
| Access Time (Speed Grade -10) | — | 100 ns |
| Supply Voltage (VCC) | — | +5 V with +/-10% tolerance |
| Programming Voltage (VPP) | — | +12.5 V |
| Standby Current | — | 20 uA typical (CMOS standby) |
| 接口 | — | Parallel, TTL compatible |
| Address Lines | — | 15 (A0-A14) |
| Data Lines | — | 8 (Q0-Q7), tri-state outputs |
| Control Signals | — | /E (chip enable), /G (output enable) |