DM74LS27 is a triple 3-input NOR gate with three independent gates, each performing the logic NOR function.
This document is a datasheet for the Fairchild Semiconductor DM74LS27, a triple 3-input NOR gate integrated circuit. It describes the device's logic function and provides ordering codes for various packages, including the 14-Lead Small Outline Integrated Circuit (SOIC) and the 14-Lead Plastic Dual-In-Line Package (PDIP).
The datasheet includes absolute maximum ratings, recommended operating conditions, and comprehensive electrical characteristics such as input/output voltages, currents, and propagation delays. It also features connection diagrams, function tables, and detailed physical dimensions for the available package types.
| Supply Voltage | 4.75V to 5.25V |
|---|---|
| Operating Temperature Range | 0°C to +70°C |
| Storage Temperature Range | -65°C to +150°C |
| HIGH Level Output Current | -0.4 mA |
| LOW Level Output Current | 8 mA |
| Propagation Delay Time (Min) | 3 ns |
The device contains three independent gates each of which performs the logic NOR function.
The maximum supply voltage is 5.25V.