25LC128
M41T56C (2)M41T56 (6)M41T5 (7)M41T (73)M41 (113)

STMicroelectronics

M41T56C64MY6F

Real Time Clock (RTC) IC Clock/Calendar 56B, 8KB I²C, 2-Wire Serial 18-SOX, 18-SOIC with Crystal (7.5mm Width)
STMicroelectronics

M41T56C64MY6E

Real Time Clock (RTC) IC Clock/Calendar 56B, 8KB I²C, 2-Wire Serial 18-SOX, 18-SOIC with Crystal (7.5mm Width)

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