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HD74HC590P HD74HC590 74HC590 DIP-16
HD74HC590P 74HC590 DIP16 8位二进制计数器
全新HD74HC590P HD74HC574P HD74HC573P HD74HC564P HD74HC564D
HD74HC590FPEL(P/B) HD74HC4052FPEL(BP) HD74HC393FP(EL，TR)
贴片直插HD74HC273P，HD74HC292P，HD74HC541P，HD74HC590P
74HC590芯片逻辑电路集成电路
