27C512-10 vs 27C512-25-X 对比
详细并排对比 27C512-10 出自 Texas Instruments 和 27C512-25-X 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 | 27C512-10 | 27C512-25-X |
|---|---|---|
| 品牌 | Texas Instruments | Fujitsu |
| 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 | $2.95 |
| 存储容量 | 512 Kbit | 512 Kbit (64K x 8) |
| 存储组织 | 64K x 8 | 65,536 words x 8 bits |
| 存储器类型 | OTP EPROM (CMOS) | UV EPROM |
| 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) | [DATA_NEEDED: standby current] |
| Operating Mode | Totally static operation | — |
| 接口 | Parallel, TTL compatible | Parallel |
| Address Lines | 15 (A0-A14) | 15 (A0-A14) |
| Data Lines | 8 (Q0-Q7), tri-state outputs | 8 (D0-D7), 3-state outputs |
| Control Signals | /E (chip enable), /G (output enable) | /CE (chip enable), /OE (output enable), /PGM (program) |
| Pinout Standard | JEDEC-approved 28-pin EPROM pinout | — |
| 封装 | 28-pin DIP | 28-pin DIP (windowed ceramic or plastic OTP variant per suffix) |
| 安装类型 | Through Hole | Through Hole |
| Erase Method | One-Time Programmable (not erasable) | — |
| 工作温度 | [DATA_NEEDED: operating temperature range] | [DATA_NEEDED: operating temperature range] |
| RoHS 状态 | unknown | unknown (legacy non-RoHS-era part) |
| Access Time | — | 250 ns |
| Supply Voltage (Read) | — | 5 V +/- 10% |
| Technology | — | CMOS |
| Programming Voltage | — | [DATA_NEEDED: VPP programming voltage] |
| Active Current | — | [DATA_NEEDED: active current] |
| Pinout | — | JEDEC-approved 27C512 pinout |