As an Amazon Associate, we earn from qualifying purchases. SN74LS643N SemiConductor - CASE: DIP20 MAKE: Generic Generic . SN74LS643N Attributes Brand name, Manufacturer name, ManufacturerGeneric Attribute00DIP20 Attribute01SemiConductor Attribute02Texas Instruments Attribute03, Attribute152.0 Attribute04.60 Attribute05Single-End Attribute0615n Attribute070.0 Attribute085.0 Attribute09TTL Integrated Circuit Attribute10, qtyInStock0 Attribute1170 Attribute1224m Attribute13, Attribute140.5 Attribute1620-137 Attribute1720 Attribute18NO Attribute19299400 AttributeKey00Case AttributeKey01Type AttributeKey02Manufacturer AttributeKey03Inp Thrshld Hi (V) AttributeKey04Inp Thrshld Lo (V) AttributeKey05Mode I/O D or S AttributeKey06tPD Max. (S) AttributeKey07Nom. Neg Supp AttributeKey08Nom. Pos. Supp AttributeKey09Tech. AttributeKey10Oper. Temp (?C) Min AttributeKey11Oper. Temp (?C) Max. AttributeKey12@IOL (A) AttributeKey13VOL Max. (Drvr) AttributeKey14VOL Max. (Rcvr) AttributeKey15VOH Min (Rcvr) AttributeKey16Pinout Equivalence Number AttributeKey17No. of Pins AttributeKey18Surface Mounted Yes/No AttributeKey19SKU keywordsBuy SN74LS643N, SN74LS643N, SN74LS643N SemiConductor moq, multiple, tierMinQty11 MPN, SKUSN74LS643N originalCurrency{'currency': 'GBP', 'tierPrice1': '15.95'} snippetSN74LS643N SemiConductor - CASE: DIP20 MAKE: Generic tierPrice117.8217325 Distributor offers SellerSKUMOQIn stockMultiplePrices Little DiodeSN74LS643N111 @ $17.82