27C512-20FA vs 27C512L-15T Comparison
Detailed side-by-side comparison of 27C512-20FA by NXP Semiconductors 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 | 27C512-20FA | 27C512L-15T |
|---|---|---|
| Brand | NXP Semiconductors | WaferScale Integration |
| Category | Memory ICs | Memory ICs |
| Lifecycle Status | Obsolete | Obsolete |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.85 | $0.00 |
| Memory Size | 524,288 bit (512 Kbit) | — |
| Organization | 64K x 8 | 64K x 8-bit |
| Maximum Access Time | 200 ns | — |
| Supply Voltage Range | 4.5 V to 5.5 V | — |
| Technology | CMOS EPROM | — |
| Memory Type | UV / OTP EPROM (non-volatile) | CMOS UV/OTP EPROM |
| Temperature Grade | Commercial | — |
| Number of Terminals | 28 | — |
| Package Code | DIP (rectangular) | — |
| Mounting Type | Through Hole | Surface Mount |
| Access Mode | Asynchronous | — |
| Output Type | Tri-state, 8-bit parallel | Tri-state, 8-bit data bus (O0-O7) |
| Address Inputs | A0 to A15 (16-bit address bus) | A0-A15 (16 address lines) |
| Control Signals | /CE (chip enable), /OE (output enable), /PGM | CE, OE, VPP |
| RoHS Status | unknown | unknown |
| Operating Supply Nominal | 5 V | — |
| Density | — | 512 Kilobit (64K x 8) |
| Access Time | — | 150 ns (-15 speed grade) |
| Supply Voltage | — | +5 V +/-10% |
| Programming Voltage (VPP) | — | +12.5 V |
| Programming Algorithm | — | 100% Flashrite programming |
| Standby Current (CMOS) | — | 20 uA typical |
| Interface | — | Parallel |
| Pinout Standard | — | JEDEC-approved 27C512 pinout |
| Package | — | 32-PLCC (T suffix) |
| Operating Temperature | — | [DATA_NEEDED: operating temperature range] |
| Active Current | — | [DATA_NEEDED: active read current] |