DM74ALS1000A is a buffer/driver version of the DM74ALS00A. It contains four independent 2-input buffer/driv- ers, each of which performs the logic NAND function. Switching specifications at 50 pF, switching specifications guaranteed over full tempera- ture and VCC range. The device is made with advanced oxide-isolated, ion-implanted Schottky TTL process, which improves line receiving characteristics.