As an Amazon Associate, we earn from qualifying purchases. MM74HC643N Integrated Circuit - CASE: DIP20 MAKE: NSC NSC . MM74HC643N Attributes Brand name, Manufacturer name, ManufacturerNSC Attribute00DIP20 Attribute01Integrated Circuit Attribute02National Semiconductor - NSC Attribute033.15 Attribute041.35 Attribute05Single-End Attribute0622n Attribute075.0 Attribute08CMOS Integrated Circuit Attribute09-40 Attribute1085 Attribute116.0m Attribute120.3 Attribute130.1 Attribute144.4 Attribute1520-137 Attribute1620 Attribute17NO Attribute18433511 AttributeKey00Case AttributeKey01Type AttributeKey02Manufacturer AttributeKey03Inp Thrshld Hi (V) AttributeKey04Inp Thrshld Lo (V) AttributeKey05Mode I/O D or S AttributeKey06tPD Max. (S) AttributeKey07Nom. Pos. Supp AttributeKey08Tech. AttributeKey09Oper. Temp (?C) Min AttributeKey10Oper. Temp (?C) Max. AttributeKey11@IOL (A) AttributeKey12VOL Max. (Drvr) AttributeKey13VOL Max. (Rcvr) AttributeKey14VOH Min (Rcvr) AttributeKey15Pinout Equivalence Number AttributeKey16No. of Pins AttributeKey17Surface Mounted Yes/No AttributeKey18SKU keywordsBuy MM74HC643N, MM74HC643N, MM74HC643N Integrated Circuit moq, multiple, tierMinQty11 MPN, SKUMM74HC643N originalCurrency{'currency': 'GBP', 'tierPrice1': '5.31'} qtyInStock0 snippetMM74HC643N Integrated Circuit - CASE: DIP20 MAKE: NSC tierPrice15.9331285 Distributor offers SellerSKUMOQIn stockMultiplePrices Little DiodeMM74HC643N111 @ $5.93