Overview
The CD74HC259MT is a high-speed CMOS 8-bit addressable latch produced by Texas Instruments. This component is designed for applications requiring high-speed data storage and retrieval, making it suitable for use in various digital systems. The CD74HC259MT is part of the 74HC logic family, known for its compatibility with both CMOS and TTL logic levels. Its market positioning targets engineers and designers working on digital circuits, particularly those needing efficient addressable latch functionality. The product's unique selling points include its high-speed operation, low power consumption, and robust performance across a wide temperature range.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Logic Type | Addressable Latch | - | D-Type |
| Circuit Count | 2 | Circuit | - |
| Output Lines | 8 | Line | - |
| High-Level Output Current | -5.2 | mA | - |
| Low-Level Output Current | 32 | mA | - |
| Propagation Delay | 185 ns at 2 V, 37 ns at 4.5 V, 31 ns at 6 V | ns | - |
| Supply Voltage | 2 to 6 | V | - |
| Operating Temperature | -55 to +125 | °C | - |
| Package | SOP-16 | - | - |
| Dimensions | 9.9 x 3.91 x 1.58 | mm | Length x Width x Height |
Key Features
- High-speed CMOS logic for efficient data handling.
- Compatible with both CMOS and TTL logic levels.
- Low static current consumption of 8 µA.
- Master reset functionality for easy initialization.
- Robust performance across a wide temperature range (-55°C to +125°C).
Applications
The CD74HC259MT is widely used in digital systems requiring addressable latch functionality. Typical applications include data storage and retrieval in microcontrollers, address decoding in memory systems, and signal routing in communication devices. Its high-speed operation and low power consumption make it particularly suitable for portable and battery-powered devices. Additionally, its robust performance in extreme temperatures ensures reliability in industrial and automotive electronics.
Q & A
1. What is the operating voltage range of the CD74HC259MT?
The CD74HC259MT operates within a voltage range of 2 V to 6 V.
2. What is the maximum propagation delay of this component?
The maximum propagation delay is 185 ns at 2 V, 37 ns at 4.5 V, and 31 ns at 6 V.
3. Is the CD74HC259MT compatible with TTL logic levels?
Yes, it is compatible with both CMOS and TTL logic levels.
4. What is the purpose of the master reset functionality?
The master reset allows for easy initialization of the latch, clearing all stored data.
5. What is the package type of the CD74HC259MT?
It comes in an SOP-16 package.
6. What is the static current consumption of this component?
The static current consumption is 8 µA.
7. Can the CD74HC259MT be used in automotive applications?
Yes, its robust performance across a wide temperature range makes it suitable for automotive electronics.
8. How many output lines does the CD74HC259MT have?
It has 8 output lines.
9. What is the logic type of the CD74HC259MT?
It is an addressable latch of the D-Type.
10. What is the maximum operating temperature of the CD74HC259MT?
The maximum operating temperature is +125°C.
