SN74AC574DWR

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SN74AC574DWR

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IC FF D-TYPE SINGLE 8BIT 20SOIC

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規格

屬性 價值
Series 74AC
Part Status Active
Function Standard
Type D-Type
Output Type Tri-State, Non-Inverted
Number of Elements 1
Number of Bits per Element 8
Clock Frequency 153 MHz
Max Propagation Delay @ V, Max CL 6ns @ 5V, 50pF
Trigger Type Positive Edge
Current - Output High, Low 24mA, 24mA
Voltage - Supply 2V ~ 6V
Current - Quiescent (Iq) 4 µA
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Supplier Device Package 20-SOIC
Package / Case 20-SOIC (0.295", 7.50mm Width)
Base Product Number 74AC574
Input Capacitance 4.5 pF

概述

Description

The SN74AC574DWR is an octal D-type flip-flop with 3-state outputs, manufactured by Texas Instruments. It is part of the Advanced CMOS (AC) logic family, designed for high-speed and low-power operation. The device features eight edge-triggered D-type flip-flops with individual D inputs and Q outputs.
Key features include:
- 3-State Outputs: This allows the device outputs to be in one of three states: high, low, or high-impedance, making it suitable for bus interface applications.
- Latch-up Performance: It has a high latch-up performance of more than 250 mA per JEDEC standard, ensuring reliability.
- High-Speed Operation: It operates at a high speed with a typical propagation delay of only a few nanoseconds.
- Wide Supply Voltage Range: It functions over a voltage range of 2 V to 6 V, making it versatile for various applications.
The SN74AC574DWR is typically used in applications requiring temporary data storage, data transfer, and interface with bus lines, commonly found in computing and communication devices.

Equivalent

The SN74AC574DWR is an octal edge-triggered D-type flip-flop with 3-state outputs. Equivalent products include:
1. 74HC574 - from various manufacturers, a similar HC series device with comparable functionality.
2. 74LS574 - an LS series alternative with slightly different electrical characteristics.
3. 74F574 - a high-speed variant from the F series, offering similar logic functions.
4. 74HCT574 - a high-speed CMOS version with TTL-compatible inputs.
These equivalents may differ in speed, power consumption, and electrical characteristics.

Features

The SN74AC574DWR is an octal D-type edge-triggered flip-flop with 3-state outputs. Key features include:
1. High-Speed Operation: It is part of the Advanced CMOS (AC) logic family, known for high speed and low power consumption.

2. 3-State Outputs: The outputs can be disabled to allow for bus line sharing, making it ideal for bus-oriented applications.
3. Positive-Edge Triggered: The device captures the input data on the rising edge of the clock pulse.
4. Operating Voltage: It operates within a voltage range of 2.0 V to 6.0 V, providing flexibility for various applications.
5. Latch-Up Performance: It offers excellent latch-up immunity, making it reliable in noisy environments.
6. Wide Operating Temperature Range: Suitable for industrial applications, typically from -40°C to 85°C.
7. Package Type: Available in a 20-pin SOIC (small-outline integrated circuit) package.
These features make the SN74AC574DWR suitable for high-speed, low-power, and high-reliability applications requiring temporary data storage or transfer.

Pinout

The SN74AC574DWR is an octal D-type flip-flop IC produced by Texas Instruments. It features a total of 20 pins. The primary function of this IC is to store and transfer data. It consists of eight edge-triggered D-type flip-flops with individual D inputs and Q outputs. The device is controlled by a clock (CLK) input, and it has an output enable (OE) input that controls all the outputs.
Key pin functions include:
- Pins 1-8, 19, and 18 (D0-D7): Data inputs for the eight flip-flops.
- Pins 3, 5, 7, 9, 11, 13, 15, 17 (Q0-Q7): Outputs for the stored data.
- Pin 10 (CLK): Clock input that samples the input data on the rising edge.
- Pin 1 (OE): Output enable, active-low; when low, the outputs reflect the state of the flip-flops; when high, outputs are in high-impedance state.
- Pin 20 (VCC): Supply voltage.
- Pin 10 (GND): Ground.
This IC is used in various applications requiring temporary data storage and transfer, such as buffering and latch circuits.

Manufacturer

The SN74AC574DWR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company headquartered in Dallas, Texas, USA. They design and manufacture a wide range of semiconductor products, including analog chips and embedded processors. TI's products are used in various applications across industries such as automotive, industrial, personal electronics, communications equipment, and enterprise systems. They are known for their innovation in technology and focus on efficient power management and performance reliability.

Application

The SN74AC574DWR is an octal D-type flip-flop with 3-state outputs, commonly used in various digital applications. Key application areas include:
1. Data Storage and Transfer: Acts as a temporary data storage element and is used in data buffering and latching applications.
2. Microcontroller Interfacing: Facilitates communication between microcontrollers and peripheral devices.
3. Signal Processing: Used in digital signal processing circuits to manage data flow and synchronization.
4. Memory Devices: Assists in memory control and data management in various storage units.
5. Embedded Systems: Integral in timing and control applications within embedded systems for ensuring data integrity and sequencing.

Package

The SN74AC574DWR is an octal edge-triggered D-type flip-flop with 3-state outputs, manufactured by Texas Instruments. It comes in a 20-pin SOIC (Small Outline Integrated Circuit) package, denoted by the "DWR" suffix, which indicates a tape and reel packaging option for efficient automated assembly.

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