27C512-25-X vs 27C512-25 Comparison
Detailed side-by-side comparison of 27C512-25-X by Fujitsu and 27C512-25 by Microchip Technology. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Specification Comparison
| Parameter | 27C512-25-X | 27C512-25 |
|---|---|---|
| Brand | Fujitsu | Microchip Technology |
| Category | Memory ICs | Memory ICs |
| Lifecycle Status | Obsolete | Obsolete |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.95 | $3.20 |
| Memory Size | 512 Kbit (64K x 8) | — |
| Organization | 65,536 words x 8 bits | — |
| Memory Type | UV EPROM | CMOS EPROM (UV / OTP) |
| Access Time | 250 ns | — |
| Supply Voltage (Read) | 5 V +/- 10% | — |
| Technology | CMOS | CMOS floating gate |
| Interface | 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] | — |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | [DATA_NEEDED: operating temperature range] |
| Package | 28-pin DIP (windowed ceramic or plastic OTP variant per suffix) | DIP-28 |
| Mounting Type | Through Hole | Through Hole |
| Pinout | JEDEC-approved 27C512 pinout | — |
| RoHS Status | unknown (legacy non-RoHS-era part) | [DATA_NEEDED: RoHS status] |
| Memory Organization | — | 64K x 8 (524,288 bits) |
| Maximum Access Time | — | 250 ns |
| Supply Voltage (Read Mode) | — | 5 V +/- 10% |
| Standby Current (CMOS) | — | 20 uA typical |
| Operating Mode | — | Asynchronous |
| Output Type | — | 3-state, common I/O |
| Pinout Standard | — | JEDEC-approved 28-pin |
| Programming Method | — | High-voltage EPROM programming (Flashrite type) |
| Erase Method | — | UV (windowed variant) or not erasable (OTP variant) |
| Access Time Guarantee | — | Any byte in less than 250 ns |