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正品CD4060BECD4060BMCD4060UBMCD4060UBEHEF4060BT
正品CD4060BPCD4060BDCD4060BMCD4060BEHEF4060
正品CD4060BDCD4060BPCD4060BMCD4060BEHEF4060BT
CD4060BMCD4060 SOP16全新现货14级纹波进位二进制计数器