27C512-25 vs 27C512-25-X مقایسه
مقایسه دقیق کنار به کنار 27C512-25 توسط Microchip Technology و 27C512-25-X توسط Fujitsu. مشخصات کلیدی، پارامترهای الکتریکی، بسته‌بندی، وضعیت چرخه عمر، قیمت‌گذاری و موجودی را مقایسه کنید تا بهترین قطعه را برای نیازهای طراحی خود تعیین کنید.
مقایسه مشخصات
| پارامتر | 27C512-25 | 27C512-25-X |
|---|---|---|
| برند | Microchip Technology | Fujitsu |
| دسته‌بندی | Memory ICs | Memory ICs |
| وضعیت چرخه عمر | Obsolete | Obsolete |
| Memory Organization | 64K x 8 (524,288 bits) | — |
| نوع حافظه | CMOS EPROM (UV / OTP) | UV EPROM |
| Maximum Access Time | 250 ns | — |
| Supply Voltage (Read Mode) | 5 V +/- 10% | — |
| Standby Current (CMOS) | 20 uA typical | — |
| Operating Mode | Asynchronous | — |
| نوع خروجی | 3-state, common I/O | — |
| Pinout Standard | JEDEC-approved 28-pin | — |
| بسته‌بندی | DIP-28 | 28-pin DIP (windowed ceramic or plastic OTP variant per suffix) |
| نوع نصب | Through Hole | Through Hole |
| Programming Method | High-voltage EPROM programming (Flashrite type) | — |
| Erase Method | UV (windowed variant) or not erasable (OTP variant) | — |
| دمای کاری | [DATA_NEEDED: operating temperature range] | [DATA_NEEDED: operating temperature range] |
| Access Time Guarantee | Any byte in less than 250 ns | — |
| Technology | CMOS floating gate | CMOS |
| وضعیت RoHS | [DATA_NEEDED: RoHS status] | unknown (legacy non-RoHS-era part) |
| اندازه حافظه | — | 512 Kbit (64K x 8) |
| سازمان | — | 65,536 words x 8 bits |
| Access Time | — | 250 ns |
| Supply Voltage (Read) | — | 5 V +/- 10% |
| رابط | — | Parallel |
| Address Lines | — | 15 (A0-A14) |
| Data Lines | — | 8 (D0-D7), 3-state outputs |
| Control Signals | — | /CE (chip enable), /OE (output enable), /PGM (program) |
| Programming Voltage | — | [DATA_NEEDED: VPP programming voltage] |
| Standby Current | — | [DATA_NEEDED: standby current] |
| Active Current | — | [DATA_NEEDED: active current] |
| Pinout | — | JEDEC-approved 27C512 pinout |