型号厂商描述数据手册替代料参考价格
X1227S8-4.5AXICOR[XicorInc.] X1227S8-4.5A - Real Time Clock/Calendar/CPU Supervisor with EEPROM - Xicor Inc.获取价格
X1226XICOR[XicorInc.] X1226 - Real Time Clock/Calendar with EEPROM - Xicor Inc.获取价格