SN74LS640DW
Logic&voltage
Texas InstrumentsBrandedSN74LS640DWIntegrated circuit electronic chips use1Encapsulated, with a working temperature range of0°C ~ 70°C（TA）,The voltage is4.75V ~ 5.25V,use20-SOIC（0.295"，7.50mm 宽）Packaging technology，nowSN74LS640DWChip inventory is14869individual。
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