27C512-25-X vs 27C512L-15T Comparison
Detailed side-by-side comparison of 27C512-25-X by Fujitsu and 27C512L-15T by WaferScale Integration. 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 | 27C512L-15T |
|---|---|---|
| Brand | Fujitsu | WaferScale Integration |
| Category | Memory ICs | Memory ICs |
| Lifecycle Status | Obsolete | Obsolete |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.95 | $0.00 |
| Memory Size | 512 Kbit (64K x 8) | — |
| Organization | 65,536 words x 8 bits | 64K x 8-bit |
| Memory Type | UV EPROM | CMOS UV/OTP EPROM |
| Access Time | 250 ns | 150 ns (-15 speed grade) |
| Supply Voltage (Read) | 5 V +/- 10% | — |
| Technology | CMOS | — |
| Interface | Parallel | Parallel |
| Address Lines | 15 (A0-A14) | — |
| Data Lines | 8 (D0-D7), 3-state outputs | — |
| Control Signals | /CE (chip enable), /OE (output enable), /PGM (program) | CE, OE, VPP |
| Programming Voltage | [DATA_NEEDED: VPP programming voltage] | — |
| Standby Current | [DATA_NEEDED: standby current] | — |
| Active Current | [DATA_NEEDED: active current] | [DATA_NEEDED: active read 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) | 32-PLCC (T suffix) |
| Mounting Type | Through Hole | Surface Mount |
| Pinout | JEDEC-approved 27C512 pinout | — |
| RoHS Status | unknown (legacy non-RoHS-era part) | unknown |
| Density | — | 512 Kilobit (64K x 8) |
| Supply Voltage | — | +5 V +/-10% |
| Programming Voltage (VPP) | — | +12.5 V |
| Programming Algorithm | — | 100% Flashrite programming |
| Standby Current (CMOS) | — | 20 uA typical |
| Pinout Standard | — | JEDEC-approved 27C512 pinout |
| Output Type | — | Tri-state, 8-bit data bus (O0-O7) |
| Address Inputs | — | A0-A15 (16 address lines) |