27C512-20FA vs 27C512QC-55 Comparison
Detailed side-by-side comparison of 27C512-20FA by NXP Semiconductors and 27C512QC-55 by Macronix. 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 | 27C512QC-55 |
|---|---|---|
| Brand | NXP Semiconductors | Macronix |
| Category | Memory ICs | Memory ICs |
| Lifecycle Status | Obsolete | End of Life |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.85 | $4.22 |
| Memory Size | 524,288 bit (512 Kbit) | — |
| Organization | 64K x 8 | — |
| 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 EPROM |
| Temperature Grade | Commercial | — |
| Number of Terminals | 28 | — |
| Package Code | DIP (rectangular) | — |
| Mounting Type | Through Hole | Through Hole |
| Access Mode | Asynchronous | — |
| Output Type | Tri-state, 8-bit parallel | — |
| Address Inputs | A0 to A15 (16-bit address bus) | — |
| Control Signals | /CE (chip enable), /OE (output enable), /PGM | — |
| RoHS Status | unknown | [DATA_NEEDED: RoHS status] |
| Operating Supply Nominal | 5 V | — |
| Memory Organization | — | 512K-bit (64K x 8) |
| Access Time | — | 55 ns |
| Supply Voltage (Read) | — | Single +5 V |
| Programming Voltage (VPP) | — | +12.5 V |
| Family Speed Grades | — | 45/55/70/90/100/120/150 ns |
| Operation | — | Totally static |
| Interface Compatibility | — | Completely TTL compatible |
| Address Bus | — | A0 to A14 (15 lines) |
| Data Bus | — | D0 to D7 (8 lines, bidirectional 3-state) |
| Package | — | 28-pin ceramic DIP with quartz window (QC) |
| Erase Method | — | Ultraviolet light through quartz window |
| Operating Temperature | — | [DATA_NEEDED: operating temperature range] |
| Standby Current | — | [DATA_NEEDED: standby current] |