SN74HC259N

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SN74HC259N

+Nomenclature

IC 8-BIT ADDRESS LATCH 16-DIP

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Spécifications

Attribut Valeur
Package Tube
Series 74HC
ProductStatus Active
LogicType D-Type, Addressable
Circuit 1:8
OutputType Standard
Voltage-Supply 2V ~ 6V
IndependentCircuits 1
DelayTime-Propagation 13ns
Current-OutputHighLow 5.2mA, 5.2mA
OperatingTemperature -40°C ~ 85°C
MountingType Through Hole
Package/Case 16-DIP (0.300, 7.62mm)

Présentation

Description

The SN74HC259N is a high-speed silicon-gate CMOS device that functions as an 8-bit addressable latch. It is part of the 74HC family, which is known for its low power consumption and high noise immunity. The device features a storage register and decoding logic, making it suitable for address decoding and data distribution tasks in digital systems.
Key features of the SN74HC259N include:
- 8 latch outputs, each capable of driving up to 10 LSTTL loads
- Ability to directly interface with CMOS, NMOS, and TTL
- An active-high enable (EN) pin for data input control
- Address lines (A0 to A2) for selecting one of eight latches
- A clear (CLR) input that resets all outputs to low when activated
This IC is commonly used in memory, control, and multiplexing applications. It operates over a voltage range of 2V to 6V and is housed in a standard 16-pin DIP package. The SN74HC259N is valued for its reliability and efficiency in handling multiple data signals in embedded systems.

Equivalent

The SN74HC259N is a high-speed CMOS 8-bit addressable latch. Equivalent products include the CD74HC259 from Texas Instruments, MC14599 from ON Semiconductor, and the 74HC259 from Nexperia or other manufacturers. These chips offer similar functionality, allowing you to select one of eight latches to store data, with high-speed performance and compatibility with TTL logic levels. Always check the datasheet to ensure full compatibility for your specific application.

Features

The SN74HC259N is a high-speed CMOS logic device, functioning as an 8-bit addressable latch. Key features include:
1. 8-Bit Latch Capability: It can store 8 bits of data, allowing for versatile data manipulation and storage.
2. Addressable Latch: Each bit can be individually addressed, permitting selective data storage and retrieval.
3. High-Speed Operation: The device is designed for high-speed performance, suitable for various digital applications.
4. Low Power Consumption: Being a CMOS device, it offers low power dissipation, increasing efficiency in power-sensitive applications.
5. Wide Voltage Range: It operates over a broad voltage range, enhancing compatibility with various systems.
6. Tri-State Outputs: Features tri-state outputs for easy bus interfacing and minimizing signal interference.
7. Latch Enable Control: Includes a latch enable pin, providing additional control over data storage operations.
8. Robust Temperature Range: It functions effectively over a wide temperature range, suitable for diverse environments.
These features make the SN74HC259N ideal for use in digital systems that require efficient data management and control.

Pinout

The SN74HC259N is a 16-pin integrated circuit that functions as an 8-bit addressable latch. It is part of the 74HC series of high-speed CMOS logic devices. The primary function of this IC is to latch data inputs and store them based on address inputs, making it useful for applications that require memory storage and retrieval.
Here is a brief description of its pin functions:
1. VCC (Pin 16): Power supply.
2. GND (Pin 8): Ground.
3. D (Pin 1): Data input for the latch.
4. Q0 to Q7 (Pins 4, 5, 6, 7, 9, 10, 11, 12): Latch outputs.
5. LE (Pin 3): Latch enable, controls data storage.
6. CLR (Pin 15): Clear, resets all outputs to low when activated.
7. A0, A1, A2 (Pins 13, 2, 14): Address inputs to select which latch is active.
8. EN (Pin 13): Enable input, when low, prevents the latch from storing data.
The SN74HC259N is suitable for use in a wide range of applications including memory address decoding, data routing, and various control applications.

Manufacturer

The SN74HC259N is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company known for designing and manufacturing a wide range of electronic components and integrated circuits. TI is one of the leading companies in the semiconductor industry, providing solutions for analog and embedded processing, among other areas. They supply components that are used in various applications across industries such as consumer electronics, automotive, industrial, and communications equipment. TI is headquartered in Dallas, Texas, and is recognized for its innovation, extensive product portfolio, and dedicated support for its products and customers.

Application

The SN74HC259N is an 8-bit addressable latch, commonly used in digital applications. Its primary application areas include:
1. Data Latching and Storage: Temporarily storing data in digital circuits.
2. Demultiplexing: Directing a single data input to one of several outputs.
3. Control Systems: Managing multiple control signals with a single device.
4. LED Display Control: Driving LED displays by controlling individual segments.
5. Memory Address Decoding: Facilitating address decoding in memory systems.
6. Signal Routing: Used in systems that require routing of digital signals.
Its versatility and ability to control multiple outputs efficiently make it suitable for a variety of digital circuit applications.

Package

The SN74HC259N is a 16-pin Dual In-Line Package (DIP). It is part of the 74HC series, which features high-speed CMOS logic ICs. The DIP package is commonly used for easy handling and soldering onto printed circuit boards (PCBs).