27C512QC-55 vs 27C512-20FA Comparison
Detailed side-by-side comparison of 27C512QC-55 by Macronix and 27C512-20FA by NXP Semiconductors. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Specification Comparison
| Parameter | 27C512QC-55 | 27C512-20FA |
|---|---|---|
| Brand | Macronix | NXP Semiconductors |
| Category | Memory ICs | Memory ICs |
| Lifecycle Status | End of Life | Obsolete |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.22 | $1.85 |
| Memory Organization | 512K-bit (64K x 8) | — |
| Memory Type | CMOS UV EPROM | UV / OTP EPROM (non-volatile) |
| 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 | — |
| Mounting Type | Through Hole | Through Hole |
| RoHS Status | [DATA_NEEDED: RoHS status] | unknown |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | — |
| Standby Current | [DATA_NEEDED: standby current] | — |
| 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 |
| Temperature Grade | — | Commercial |
| Number of Terminals | — | 28 |
| Package Code | — | DIP (rectangular) |
| 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 |
| Operating Supply Nominal | — | 5 V |