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25LC128
MCP7940M-I-S (2)MCP7940M-I (4)MCP7940M (8)MCP7940 (41)MCP794 (62)MCP79 (128)MCP7 (114)MCP (4347)
Microchip Technology

MCP7940M-I/SN

Real Time Clock (RTC) IC Clock/Calendar 64B I²C, 2-Wire Serial 8-SOIC (0.154", 3.90mm Width)
Microchip Technology

MCP7940M-I/ST

Real Time Clock (RTC) IC Clock/Calendar 64B I²C, 2-Wire Serial 8-TSSOP (0.173", 4.40mm Width)
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