27C256-17 vs 27C256L-12TMB 对比
详细并排对比 27C256-17 出自 Microchip Technology 和 27C256L-12TMB 出自 STMicroelectronics。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。
Microchip Technology
27C256-17 - 256Kbit UV EPROM 170ns 32Kx8 | Microchip Technology
27C256-17 Obsolete
规格对比
| 参数 | 27C256-17 | 27C256L-12TMB |
|---|---|---|
| 品牌 | Microchip Technology | STMicroelectronics |
| 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） | $0.00 | $8.25 |
| 存储器类型 | EPROM - UV (windowed) | UV EPROM |
| 存储容量 | 256 Kbit | 256 Kbit |
| 存储组织 | 32K x 8 | 32K x 8 |
| Access Time | 170 ns | 120 ns |
| 接口 | Parallel | — |
| 电源电压 | 4.5 V to 5.5 V | — |
| Technology | CMOS | CMOS |
| Temperature Grade | Commercial | Military |
| 封装 | CDIP-28 (windowed CERDIP, 0.6 inch) | 28-pin Ceramic Leadless Chip Carrier (CLLCC) |
| Number of Terminals | 28 | 28 |
| 安装类型 | Through Hole | Surface Mount |
| Address Lines | A0 - A14 (15) | 15 (A0 to A14) |
| Data Lines | 8-bit bidirectional | — |
| Control Signals | /CE, /OE, VPP | — |
| Erase Method | Ultraviolet light (quartz window) | — |
| RoHS 状态 | [DATA_NEEDED: RoHS status] | unknown |
| 工作温度 | [DATA_NEEDED: operating temperature range] | [DATA_NEEDED: operating temperature range] |
| Supply Voltage (VCC) | — | 4.5 V to 5.5 V |
| Minimum Supply Voltage | — | 4.5 V |
| Package Shape | — | Rectangular |
| Data Outputs | — | 8, tri-state |
| Programming Voltage (VPP) | — | [DATA_NEEDED: programming voltage] |
| I/O Level | — | TTL compatible |