These devices contain four independent 2-input-NAND gates. The open-collector outputs require pull-up resistors to perform correctly. They may be connected to other open-collector outputs to implement active-low wired-OR or active-high wired-AND functions. Open-collector devices are often used to generate higher VOH levels.

The SN5403, SN54LS03 and SN54S03 are characterized for operation over the full military temperature range of -55°C to 125°C.

Technology family LS
Supply voltage (min) (V) 4.5
Supply voltage (max) (V) 5.5
Number of channels 4
Inputs per channel 2
IOL (max) (mA) 0
IOH (max) (mA) -16
Input type Bipolar
Output type Open-collector
Features High speed (tpd 10- 50ns)
Data rate (max) (MBps) 35
Rating Military
Operating temperature range (°C) -55 to 125