M4T32-BR12SH6 IC-CLOCK/TIMING BATT/CRYSTAL SNAPHAT RTC EXT. TEMP The M4T32-BR12SH6 is a high-quality product offering IC-CLOCK/TIMING BATT/CRYSTAL SNAPHAT RTC EXT. TEMP. With a shrink ratio of N/A and -40°C~+85°C operating temperature, it provides reliability in various applications.