25LC128
M48T18 (2)M48T1 (8)M48T (56)M48 (88)

STMicroelectronics

M48T18-100PC1

Real Time Clock (RTC) IC Clock/Calendar Parallel 28-DIP Module (0.600", 15.24mm)
STMicroelectronics

M48T18-150PC1

Real Time Clock (RTC) IC Clock/Calendar Parallel 28-DIP Module (0.600", 15.24mm)

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