Key facts
- Model
- DM7427
- Category
- INTEGRATED CIRCUITS
- Documents
- 2
- Languages
- EN
- Last added
- 2012-06-12
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National Semiconductor 54279/DM74279 Quad Set-Reset Latch Datasheet
The document details the 54279/DM74279 Quad Set-Reset Latch, which contains four independent set-reset type flip-flops. Each flip-flop features a single Q output and is designed for state storage and control applications in digital circuits.
The datasheet provides comprehensive information including connection diagrams, pin descriptions, truth tables, absolute maximum ratings, recommended operating conditions, electrical characteristics, switching characteristics, and physical dimensions for various package types.
National Semiconductor DM7427 specifications
| Number of Flip-Flops | Four independent set-reset type flip-flops |
|---|---|
| Supply Voltage (Min) | 4.5 V |
| High Level Input Voltage (Min) | 2 V |
| Low Level Input Voltage (Max) | 0.8 V |
| Low Level Output Current (Max) | 16 mA |
| Operating Temperature Range (DM74 Series) | 0°C to +70°C |
| Propagation Delay S to Q (Max) | 22 ns |
Source: National Semiconductor 54279/DM74279 Quad Set-Reset Latch Datasheet
All National Semiconductor DM7427 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the function of the 54279/DM74279?
It contains four independent set-reset type flip-flops with one Q output each for state storage and control applications.
From: National Semiconductor 54279/DM74279 Quad Set-Reset Latch Datasheet
What happens if all inputs go HIGH simultaneously?
The output state becomes indeterminate; otherwise, the output follows the Truth Table.
From: National Semiconductor 54279/DM74279 Quad Set-Reset Latch Datasheet
What logic function does the DM7427 perform?
The device contains three independent gates each of which performs the logic NOR function.
From: National Semiconductor DM7427 Triple 3-Input NOR Gates Datasheet
What is the order number for the DM7427?
The order number is DM7427N.
From: National Semiconductor DM7427 Triple 3-Input NOR Gates Datasheet