This document describes the features and characteristics of the DM7420 dual 4-input NAND gate produced by Fairchild Semiconductor Corporation.
The document describes the DM7420, a semiconductor device containing two independent gates that perform the logic NAND function. It includes ordering codes and connection diagrams.
Technical specifications cover absolute maximum ratings, recommended operating conditions, electrical characteristics such as input/output voltages and currents, and switching propagation delays under specific temperature and load conditions.
| Supply Voltage (Nominal) | 5 V |
|---|---|
| Operating Temperature Range | 0°C to +70°C |
| HIGH Level Output Current | -0.4 mA |
| LOW Level Output Current | 16 mA |
| Propagation Delay Time (Low-to-High) | 92 ns |
| Package Type | 14-Lead Plastic Dual-In-Line Package (PDIP) |
The device contains two independent gates each of which performs the logic NAND function.
The absolute maximum rating for supply voltage is 7V, though recommended operation is up to 5.25V.