Single OR gate in the 74AUP family
The Texas Instruments SN74AUP1G32DPWR is a single 2-input OR gate from the 74AUP series, a low-power CMOS logic family designed for battery-powered and portable equipment. It operates from a supply voltage of 0.8V to 3.6V, drawing a maximum quiescent current of only 500 nA, which makes it suitable for always-on domains where leakage current directly affects battery life. The propagation delay is 6.4 ns maximum at 3.3V with a 30 pF load, a figure that sets the timing budget for the signal path in a mixed-voltage design.
Supply range and signal thresholds
The input logic levels scale with the supply: a low-level threshold of 0.7V to 0.9V and a high-level threshold of 1.6V to 2.0V, both referenced to the VCC rail. This means the gate can interface directly with 1.8V logic without a level translator, as long as the supply is set to the core voltage. The output can source or sink 4 mA at the rated voltage drop, sufficient to drive the input of a following gate or a low-power LED indicator through a series resistor.
This is a very small footprint, suitable for space-constrained PCBs in wearables or sensor modules. The package is surface-mount and offered in Tape & Reel (TR) and Cut Tape (CT) options, which affects the pick-and-place feeder setup and the minimum order quantity for prototyping versus production.
It is ROHS3 compliant, meaning it meets the current restriction of hazardous substances directive without exemptions.