SN74ABT574APWRG4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Flip-Flop
• Characteristics: High-speed, low-power consumption
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: D-type transparent latch with 3-state outputs
• Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Logic Family: ABT
• Number of Bits: 8
• Input Voltage Range: 2V to 5.5V
• Output Voltage Range: 0V to VCC
• Propagation Delay Time: 3.5ns (typical)
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The SN74ABT574APWRG4 has a total of 20 pins. The pin configuration is 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. CLK (Clock Input)
11. OE (Output Enable)
12. Q0 (Output 0)
13. Q1 (Output 1)
14. Q2 (Output 2)
15. Q3 (Output 3)
16. Q4 (Output 4)
17. Q5 (Output 5)
18. Q6 (Output 6)
19. Q7 (Output 7)
20. VCC (Power Supply)

Functional Features

The SN74ABT574APWRG4 is a D-type transparent latch with 3-state outputs. It is designed to store and transfer data in high-speed digital systems. The latch is transparent when the clock input (CLK) is high, allowing the data inputs (D0-D7) to propagate to the outputs (Q0-Q7). When the clock input is low, the latch holds the last data value.

The output enable (OE) pin controls the 3-state outputs. When OE is low, the outputs are active and reflect the data stored in the latch. When OE is high, the outputs are in a high-impedance state, effectively disconnecting them from the rest of the circuit.

Advantages and Disadvantages

Advantages: - High-speed operation - Low-power consumption - 3-state outputs for bus sharing applications - Wide operating voltage range

Disadvantages: - Limited number of bits (8 in this case) - TSSOP package may require careful handling during assembly

Working Principles

The SN74ABT574APWRG4 operates based on the principles of digital logic. When the clock input is high, the latch is transparent, allowing the data inputs to pass through to the outputs. This enables real-time data transfer. When the clock input is low, the latch holds the last data value, ensuring data stability.

The output enable pin provides control over the outputs. When enabled, the outputs actively reflect the stored data. When disabled, the outputs enter a high-impedance state, preventing any interference with other components connected to the bus.

Detailed Application Field Plans

The SN74ABT574APWRG4 is commonly used in various digital systems that require data storage and transfer. Some specific application fields include:

1. Microcontrollers: Used as a register to store and transfer data between different parts of the microcontroller.
2. Communication Systems: Used in data transmission circuits to latch and transfer data between different communication modules.
3. Memory Systems: Employed as a temporary storage element in memory systems for efficient data handling.

Detailed and Complete Alternative Models

1. SN74ABT574ADW: Similar to SN74ABT574APWRG4, but available in a wider SOIC (Small Outline Integrated Circuit) package.
2. SN74ABT574ANSR: Surface mount version of SN74ABT574APWRG4 with a smaller footprint.
3. SN74ABT574ADB: DIP (Dual Inline Package) version of SN74ABT574APWRG4, suitable for through-hole soldering.

These alternative models offer similar functionality and can be used as replacements based on specific application requirements.

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