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25LC128
PT7C4339 (3)PT7C433 (10)PT7C43 (18)PT7C4 (20)PT7 (407)
Pericom Semiconductor Corp.

PT7C43390WEX

Real Time Clock (RTC) IC Clock/Calendar I²C, 2-Wire Serial 8-SOIC (0.154", 3.90mm Width)
Pericom Semiconductor Corp.

PT7C43390LEX

Real Time Clock (RTC) IC Clock/Calendar I²C, 2-Wire Serial 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Pericom Semiconductor Corp.

PT7C43390LE

Real Time Clock (RTC) IC Clock/Calendar I²C, 2-Wire Serial 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
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