SN74HC573NSR

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SN74HC573NSR

IC D-TYPE LATCH

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Bảo hành 365 ngày

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Thông số kỹ thuật

Package Tape & Reel (TR),Cut Tape (CT)
Series 74HC
ProductStatus Active
LogicType D-Type Transparent Latch
Circuit 1:8
OutputType Tri-State
Voltage-Supply 2V ~ 6V
IndependentCircuits 1
DelayTime-Propagation 23ns
Current-OutputHighLow 7.8mA, 7.8mA
OperatingTemperature -40°C ~ 85°C
MountingType Surface Mount
Package/Case 20-SOIC (0.209, 5.30mm Width)

Tổng quan

Description

The SN74HC573NSR is an octal transparent latch with 3-state outputs, designed for use in digital circuits. This device operates with a wide voltage range, typically from 2V to 6V, making it compatible with various logic families. It features eight latches that can independently store binary data, which is controlled by the latch-enable (LE) input. When LE is high, the latch is transparent, allowing data to pass through; when LE goes low, the last data is stored.
The 3-state outputs (Q0-Q7) can be enabled or disabled using the output enable (OE) input, allowing for efficient bus communication. The SN74HC573 is particularly useful in applications requiring temporary data storage or buffering, such as in microprocessor interfacing or memory management. Its high-speed operation, low power consumption, and compatibility with CMOS logic make it a popular choice in modern digital designs. The package type, "NSR," indicates it is available in a surface mount SOIC package, suitable for compact PCB layouts.

Features

The SN74HC573NSR is an octal transparent latch designed for high-speed data processing and storage applications. Key features include:
1. Octal Latch: It consists of eight latches, allowing simultaneous storage of eight bits of data.
2. High Speed: Operates at high speeds with propagation delays typically around 4.5 ns at 5V.
3. Wide Supply Voltage: Supports a supply voltage range from 2V to 6V, making it versatile for various applications.
4. Low Power Consumption: Features low power dissipation, suitable for battery-powered devices.
5. 3-State Outputs: The outputs can be tri-stated, enabling easy interfacing with multiple devices on a bus.
6. Transparent Mode: The latches operate in a transparent mode, allowing data to flow through when the control signal (LE) is active.
7. TTL Compatible: Compatible with TTL logic levels, making it easy to integrate into existing systems.
This device is ideal for use in data routing, temporary data storage, and as a buffer in digital circuits.

Package

The SN74HC573NSR is packaged in a 20-pin surface mount Dual In-Line Package (SSOP) form factor.

Pinout

The SN74HC573NSR is an octal transparent latch with an active-low output enable. It features 20 pins.
Pin Count and Functions:
1. Input Pins (A, B, C, D, E, F, G, H): 8 data inputs (pins 1-8).
2. Output Pins (Y0-Y7): 8 corresponding data outputs (pins 15-22).
3. Control Pins:
- LE (Latch Enable): Pin 9; when high, data is latched; when low, data flows through.
- OE (Output Enable): Pin 10; active low control for output enabling/disabling.
4. Power and Ground:
- VCC (Power Supply): Pin 20; typically connected to +2V to +6V.
- GND (Ground): Pin 11; connected to the circuit ground.
The device is used for temporary data storage and can be utilized in various digital applications.

Manufacturer

The SN74HC573NSR is manufactured by Texas Instruments (TI), a global semiconductor company headquartered in Dallas, Texas. Texas Instruments is known for designing and manufacturing a wide range of semiconductor products, including analog chips, embedded processors, and digital signal processors. The company primarily serves various sectors such as automotive, industrial, communications, and consumer electronics. Texas Instruments is recognized for its innovation and contributions to the development of integrated circuits, including logic devices like the SN74HC573NSR, which is a high-speed CMOS octal latch.

Application

The SN74HC573NSR is an octal transparent latch commonly used in digital electronics. Its application areas include data storage, temporary data holding, and interfacing between different logic levels in microcontrollers and digital signal processors. It is often utilized in bus interfacing, memory devices, and shift registers, as well as in various signal processing applications to manage data flow and timing in circuits.

Equivalent

Equivalent products to the SN74HC573NSR include the 74HC573, 74HCT573, and other similar octal transparent latches from manufacturers like NXP (74HC573), ON Semiconductor (MC74HC573), and others offering compatible specifications. Ensure to check datasheets for specific pin configurations and electrical characteristics for compatibility in your application.

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