27C512L-15T vs 27C512QC-55 Comparison
Detailed side-by-side comparison of 27C512L-15T by WaferScale Integration 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 | 27C512L-15T | 27C512QC-55 |
|---|---|---|
| Brand | WaferScale Integration | Macronix |
| Category | Memory ICs | Memory ICs |
| Lifecycle Status | Obsolete | End of Life |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $0.00 | $4.22 |
| Memory Type | CMOS UV/OTP EPROM | CMOS UV EPROM |
| Density | 512 Kilobit (64K x 8) | — |
| Organization | 64K x 8-bit | — |
| Access Time | 150 ns (-15 speed grade) | 55 ns |
| Supply Voltage | +5 V +/-10% | — |
| Programming Voltage (VPP) | +12.5 V | +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) | 28-pin ceramic DIP with quartz window (QC) |
| Mounting Type | Surface Mount | Through Hole |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | [DATA_NEEDED: operating temperature range] |
| Active Current | [DATA_NEEDED: active read current] | — |
| Output Type | Tri-state, 8-bit data bus (O0-O7) | — |
| Address Inputs | A0-A15 (16 address lines) | — |
| Control Signals | CE, OE, VPP | — |
| RoHS Status | unknown | [DATA_NEEDED: RoHS status] |
| Memory Organization | — | 512K-bit (64K x 8) |
| Supply Voltage (Read) | — | Single +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) |
| Erase Method | — | Ultraviolet light through quartz window |
| Standby Current | — | [DATA_NEEDED: standby current] |