SN74LS640NSR
Logic&voltage
Texas InstrumentsBrandedSN74LS640NSRIntegrated circuit electronic chips use2000Encapsulated, with a working temperature range of0°C ~ 70°C（TA）,The voltage is4.75V ~ 5.25V,use20-SOIC（0.209"，5.30mm 宽）Packaging technology，nowSN74LS640NSRChip inventory is12017individual。
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