SN74LS642N
Logic&voltage
Texas InstrumentsBrandedSN74LS642NIntegrated circuit electronic chips use1Encapsulated, with a working temperature range of0°C ~ 70°C（TA）,The voltage is4.75V ~ 5.25V,use20-DIP（0.300"，7.62mm）Packaging technology，nowSN74LS642NChip inventory is14680individual。
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