Catalog > Semiconductors > Integrated Circuits 7438 Buffer Quad 2-Input NAND Buffer with Open Collector Outputs Part No: 7438 24.15 ZAR inc for 1 Each (Quoting) Add to Cart Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Specifications Logic Type: Quad 2-Input NAND Buffer Outputs: Open-Collector (requires external pull-up resistors) Package: 14-Pin DIP (Dual In-line Package) Supply Voltage ( VCCcap V sub cap C cap C end-subππΆπΆ ): Typically 4.75V to 5.25V Low Level Output Current ( IOLcap I sub cap O cap L end-subπΌππΏ ): 24mA Operating Temperature: 0°C to 70°C Function: Performs the NAND function ( Y=A⋅B¯cap Y equals modified cap A center dot cap B with bar aboveπ=π΄⋅π΅) Common Applications: Driving high-capacitance loads Bus-driving circuits Wired-AND connections TTL to MOS interfacing