14 views

DM7438 Datasheet - National Semiconductor

DM7438 - Quad 2-Input NAND Buffers

This device contains four independent gates each of which performs the logic NAND function The open-collector outputs require external pull-up resistors for proper logical operation Pull-Up Resistor Equations RMAX e VCC (Min) b VOH N1 (IOH) a N2 (IIH) RMIN e VCC (Max) b VOL IOL b N3 (IIL) Wh.

DM7438-NationalSemiconductor.pdf