TOP > Products >REAL TIME CLOCK MODULE（I2C Bus） This module is a I2C-Bus interface real time clock that has a built-in crystal unit. 10.1×7.4×3.2t (mm) Typ. RX-8025SA FAQ Features High-Stability   6.3×5.2×1.4t (mm)  Max. RX-8025NB FAQ Features High-Stability   7.3×6.2×1.5t (mm)  Max. RTC-8564JE FAQ Features Low power consumption   6.3×5.2×1.4t (mm)  Max. RTC-8564NB FAQ Features Low power consumption   3.6×2.8×1.2t (mm) RX-8564LC FAQ Features Low power consumption   10.1×7.4×3.2t (mm) Typ. RA-8565SA Features For Automotive   10.1×7.4×3.2t (mm) Typ. RX-8571SA Features Low power consumption.128 bit user RAM. Long-running timer (6500 hours)   6.3×5.2×1.4t (mm) Typ. RX-8571NB Features Low power consumption.128 bit user RAM. Long-running timer (6500 hours)   3.6×2.8×1.2t (mm) Typ. RX-8571LC Features Low power consumption.128 bit user RAM. Long-running timer (6500 hours)   10.1×7.4×3.2t (mm) Typ. RX-8581SA FAQ Features Simple Function   7.3×6.2×1.5t (mm)  Max. RX-8581JE FAQ Features Simple Function   6.3×5.2×1.4t (mm)  Max. RX-8581NB FAQ Features Simple Function   10.1×7.4×3.2t (mm) Typ. RA-8581SA FAQ Features Simple Function , For Automotive   3.6×2.8×1.2t (mm) RX-8731LC Features Built-in EEPROM and Unique ID-ROM   10.1×7.4×3.2t (mm) Typ. RX-8803SA Features Built-in 32kHz-DTCXO   3.6×2.4×1.2t (mm) Max. RX-8803LC Features Built-in 32kHz-DTCXO

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