PCF8523 시리즈
| 제조업체 부품# | 설명 | 제조업체 | 재고 | 운영 |
| PCF8523T/1,118 | IC RTC CLK/CALENDAR I2C 8-SOIC | NXP USA Inc. | 5128 |
|
| PCF8523TK/1,118 | IC RTC CLK/CALENDAR I2C 8-HVSON | NXP USA Inc. | 7821 |
|
| PCF8523TS/1,118 | IC RTC CLK/CALENDAR I2C 14-TSSOP | NXP USA Inc. | 3604 |
|
| PCF8523U/12AA/1,00 | IC RTC/CALENDAR UNCASED DIE FFC | NXP USA Inc. | 2765 |
|