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TC74HCT640A RD74LVC540BTELL-E STB8N65M5 MIC5255-2.6M5
74HCT640A MP3388DR-C280-LF-Z ADS803I01 TMP442ADCNRG4
74HC4066 74HC640A TD62307F MC74HCT374AF原装
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贴片直插74HC640A,74HC74AG,74HC86AP,74HCT08D,74HCT244