27C512-25-X vs 27C512-15FA Comparison
Detailed side-by-side comparison of 27C512-25-X by Fujitsu and 27C512-15FA by ASI. 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 | 27C512-15FA |
|---|---|---|
| Brand | Fujitsu | ASI |
| Category | Memory ICs | EEPROM |
| Lifecycle Status | Obsolete | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.95 | $1.65 |
| Memory Size | 512 Kbit (64K x 8) | 512 Kbit (64K x 8) |
| Organization | 65,536 words x 8 bits | 65,536 x 8 bit |
| Memory Type | UV EPROM | CMOS UV EPROM (UVPROM) |
| Access Time | 250 ns | 150 ns |
| Supply Voltage (Read) | 5 V +/- 10% | — |
| Technology | CMOS | CMOS |
| 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] | [DATA_NEEDED: standby current] |
| Active Current | [DATA_NEEDED: active current] | — |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | — |
| Package | 28-pin DIP (windowed ceramic or plastic OTP variant per suffix) | CDIP-28 (ceramic DIP, 0.600 in / 15.24 mm, UV window) |
| Mounting Type | Through Hole | Through Hole |
| Pinout | JEDEC-approved 27C512 pinout | — |
| RoHS Status | unknown (legacy non-RoHS-era part) | — |
| Supply Voltage | — | 5 V (typical operating) |
| Number of Terminals | — | 28 |
| Temperature Grade | — | Commercial |
| Erase Method | — | Ultraviolet light (quartz window) |
| Programming Method | — | Standard EPROM programmer (elevated VPP) |
| Interface Type | — | Parallel |
| Lead Free Status / RoHS Status | — | [DATA_NEEDED: RoHS status] |
| Operating Temperature Range | — | [DATA_NEEDED: operating temperature range] |