Catalog > Semiconductors > Integrated Circuits Buffer Buffer 7440 Dual 4-Input NAND Buffer 5.19 ZAR inc for 1 Each 749 in Stock Add Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Features Two 4-Input NAND Buffers Outputs Directly Interface to CMOS, NMOS and TTL Large Operating Voltage Range Wide Operating Conditions Not Recommended for New Designs