| Model | Manufacturers | lot number | encapsulation | illustrate | 
| X24164SI | XICOR | 10+11+ | SOP8 | Hong Kong spot, imported original | 
| X9241MST1 | XICOR | 10+11+ | SOP-20 | Hong Kong spot, imported original | 
| X24C16S14T1 | XICOR | 10+11+ | SOP14 | Hong Kong spot, imported original | 
| X25043SI | XICOR | 10+ | SOP8 | Programmable watchdog monitoring E2PROM | 
| X5045M8I-2.7A | XICOR | 07+ | MSOP-8 | Brand new original | 
| X9258US | XICOR | 01 | SMD | Brand new original | 
| X9315US-2.7T1 | XICOR | N/A | N/A | Low power consumption, low noise, single 32-tap DCP, automatic saving of power loss at the tap position | 
| X40431S14-C | XICOR | N/A | N/A | Configurable triple voltage monitoring, software-selected power-on reset time, programmable watchdog cycle, manual reset input, independent watchdog output, 4K bit E | 
| X5045S8I-4.5A | XICOR | 07+ | SOIC-8 | Programmable watchdog, power-on reset, configurable low VCC reset, high level reset output, 4K SPI interface EEPROM | 
| X5163S8 | XICOR | N/A | N/A | Programmable watchdog, power-on reset, configurable low VCC reset, low-level reset output, 16K bit SPI interface EEPROM | 
| X5045SI | XICOR | 02+ | DIP | Brand new original | 
| X24C04DMB | XICOR | 05+ | DIP-8 | Brand new original | 
| X9312WS | XICOR | 10+ | SOP8 | Single 100 tap DCP, the tap position is automatically saved when the power is lost | 
| X9315TS-2.7 | XICOR | 09+ | SOP-8 | Low power consumption, low noise, single 32-tap DCP, automatic saving of power loss at the tap position | 
| X9C103SI | XICOR | 09+ | SOP8 | Single 100 tap DCP, the tap position is automatically saved when the power is lost | 
| X4043S8-2.7T1 | XICOR | N/A | N/A | Programmable watchdog, power-on reset, configurable low VCC reset, low-level reset output, 4K bit EEPROM | 
| X9318WP | XICOR | 09+ | DIP-8 | broker | 
| X5043M8 | XICOR | 09+ | 8-MSOP | Programmable watchdog, power-on reset, configurable low VCC reset, low-level reset output, 4K bit SPI interface EEPROM | 
| X1226S8 | XICOR | 09+ | SOP-8 | Real-time clock/calendar, dual alarms, on-chip oscillator compensation circuit, programmable frequency output, 4K bit EEPROM | 
| X1227S8I | XICOR | N/A | N/A | Real-time clock/calendar, dual query alarm, on-chip oscillator compensation circuit, programmable watchdog + power-up/low-level reset, 4K bit EEPROM |