54LS38/DM54LS38/DM74LS38 Quad 2-Input NAND Buffers with Open-Collector Outputs General Description 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. Features Y Alternate Military/Aerospace device (54LS38) is available. Contact a National Semiconductor Sales Office/ Distributor for specifications.