SN74LVTH574DWG4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Data storage and transfer
• Characteristics: High-speed, low-voltage, octal D-type flip-flop with 3-state outputs
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Flip-flop for digital data storage and transfer
• Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Logic family: LVTH
• Number of bits: 8 (octal)
• Input voltage range: 2.7V to 3.6V
• Output voltage range: 2.7V to 3.6V
• Maximum clock frequency: 200MHz
• Propagation delay: 2.5ns
• Operating temperature range: -40°C to +85°C

Pin Configuration

The SN74LVTH574DWG4 has a total of 20 pins, which are assigned as follows:

1. GND (Ground)
2. D0 (Data input 0)
3. D1 (Data input 1)
4. D2 (Data input 2)
5. D3 (Data input 3)
6. D4 (Data input 4)
7. D5 (Data input 5)
8. D6 (Data input 6)
9. D7 (Data input 7)
10. OE (Output enable)
11. CP (Clock pulse)
12. MR (Master reset)
13. Q0 (Flip-flop output 0)
14. Q1 (Flip-flop output 1)
15. Q2 (Flip-flop output 2)
16. Q3 (Flip-flop output 3)
17. Q4 (Flip-flop output 4)
18. Q5 (Flip-flop output 5)
19. Q6 (Flip-flop output 6)
20. VCC (Power supply)

Functional Features

• High-speed operation: The SN74LVTH574DWG4 can operate at a clock frequency of up to 200MHz, allowing for rapid data storage and transfer.
• Low-voltage operation: With an input and output voltage range of 2.7V to 3.6V, this IC is suitable for low-power applications.
• 3-state outputs: The 3-state outputs allow multiple devices to share the same bus without interfering with each other's signals.

Advantages and Disadvantages

Advantages: - High-speed operation enables efficient data processing. - Low-voltage operation reduces power consumption. - 3-state outputs facilitate bus sharing in complex systems.

Disadvantages: - Limited operating temperature range (-40°C to +85°C). - Requires external clock pulse and master reset signals for proper functioning.

Working Principles

The SN74LVTH574DWG4 is an octal D-type flip-flop, which means it can store and transfer 8 bits of digital data. It operates based on the rising edge of the clock pulse signal (CP). When CP transitions from low to high, the data present at the D0-D7 inputs is latched into the corresponding flip-flops. The stored data can then be accessed at the Q0-Q7 outputs.

The output enable (OE) pin controls whether the flip-flop outputs are active or in a high-impedance state. When OE is low, the outputs are enabled and reflect the stored data. When OE is high, the outputs are disabled and enter a high-impedance state, allowing other devices to drive the bus.

The master reset (MR) pin resets all flip-flops to their initial state when activated. This ensures a known starting point for data storage and transfer.

Detailed Application Field Plans

The SN74LVTH574DWG4 is commonly used in various digital systems that require efficient data storage and transfer. Some application fields include:

1. Microcontrollers: Used to store and transfer data between the microcontroller and external devices, such as sensors or memory modules.
2. Communication systems: Facilitates data buffering and synchronization in communication protocols like UART, SPI, or I2C.
3. Data acquisition systems: Enables the capture and storage of analog signals converted into digital form.
4. Industrial automation: Supports data handling and control in programmable logic controllers (PLCs) and other automation equipment.

Detailed and Complete Alternative Models

1. SN74LVTH574PWR: Similar to SN74LVTH574DWG4 but in a TSSOP package.
2. MC74LVX574DTR2G: Octal D-type flip-flop with 3-state outputs from ON Semiconductor.
3. CD74HCT574E: High-speed CMOS octal D-type flip-flop from Texas Instruments.

These alternative models offer similar functionality and can be used