27C512QC-55 vs 27C512L-15T Comparison
Detailed side-by-side comparison of 27C512QC-55 by Macronix 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 | 27C512QC-55 | 27C512L-15T |
|---|---|---|
| Brand | Macronix | WaferScale Integration |
| Category | Memory ICs | Memory ICs |
| Lifecycle Status | End of Life | Obsolete |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.22 | $0.00 |
| Memory Organization | 512K-bit (64K x 8) | — |
| Memory Type | CMOS UV EPROM | CMOS UV/OTP EPROM |
| Access Time | 55 ns | 150 ns (-15 speed grade) |
| Supply Voltage (Read) | Single +5 V | — |
| Programming Voltage (VPP) | +12.5 V | +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) | 32-PLCC (T suffix) |
| Erase Method | Ultraviolet light through quartz window | — |
| Mounting Type | Through Hole | Surface Mount |
| RoHS Status | [DATA_NEEDED: RoHS status] | unknown |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | [DATA_NEEDED: operating temperature range] |
| Standby Current | [DATA_NEEDED: standby current] | — |
| Density | — | 512 Kilobit (64K x 8) |
| Organization | — | 64K x 8-bit |
| Supply Voltage | — | +5 V +/-10% |
| Programming Algorithm | — | 100% Flashrite programming |
| Standby Current (CMOS) | — | 20 uA typical |
| Interface | — | Parallel |
| Pinout Standard | — | JEDEC-approved 27C512 pinout |
| 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 |