| Mount | Surface Mount |
| Width | 16.66mm |
| Height | 3.68mm |
| Length | 16.66mm |
| Density | 4 Mb |
| ECCN Code | EAR99 |
| Endurance | 20000 Write/Erase Cycles |
| Interface | Parallel, Serial |
| Packaging | Tray |
| Pin Count | 44 |
| Published | 1998 |
| Technology | CMOS |
| Access Time | 10 ns |
| Part Status | Active |
| Pbfree Code | yes |
| RoHS Status | ROHS3 Compliant |
| Subcategory | Flash Memories |
| Organization | 512KX8 |
| JESD-609 Code | e3 |
| Mounting Type | Surface Mount |
| Terminal Form | J BEND |
| Memory IC Type | CONFIGURATION MEMORY |
| Number of Pins | 44 |
| Operating Mode | SYNCHRONOUS |
| Package / Case | 44-LCC (J-Lead) |
| Supply Voltage | 3.3V |
| Terminal Pitch | 1.27mm |
| Clock Frequency | 20MHz |
| Parallel/Serial | PARALLEL/SERIAL |
| Terminal Finish | Matte Tin (Sn) |
| Base Part Number | XC18V04 |
| Voltage - Supply | 3V~3.6V |
| Factory Lead Time | 10 Weeks |
| Programmable Type | In System Programmable |
| Terminal Position | QUAD |
| Supply Current-Max | 0.025mA |
| Number of Functions | 1 |
| Standby Current-Max | 0.01A |
| Qualification Status | Not Qualified |
| Operating Temperature | 0°C~70°C |
| Number of Terminations | 44 |
| Data Retention Time-Min | 20 |
| Operating Supply Voltage | 3.3V |
| Supply Voltage-Max (Vsup) | 3.6V |
| Supply Voltage-Min (Vsup) | 3V |
| Peak Reflow Temperature (Cel) | 245 |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) |
| Time@Peak Reflow Temperature-Max (s) | 30 |