SN74V245-7PAG

Product Overview

Category

The SN74V245-7PAG belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used for voltage level shifting and signal buffering in various electronic devices.

Characteristics

• Voltage level shifting capability
• Signal buffering functionality
• High-speed operation
• Low power consumption

Package

The SN74V245-7PAG is available in a 20-pin TSSOP (Thin Shrink Small Outline Package) package.

Essence

The essence of the SN74V245-7PAG lies in its ability to shift voltage levels and buffer signals effectively, ensuring reliable data transmission between different components of an electronic system.

Packaging/Quantity

The SN74V245-7PAG is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Supply Voltage: 2.0V - 5.5V
• Logic Family: CMOS
• Number of Channels: 8
• Input/Output Type: Bidirectional
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay: 4.3ns (typical)
• Output Drive Capability: ±24mA

Detailed Pin Configuration

The SN74V245-7PAG has a total of 20 pins, which are assigned specific functions as follows:

1. A1 - Channel A Data Input/Output 1
2. B1 - Channel B Data Input/Output 1
3. A2 - Channel A Data Input/Output 2
4. B2 - Channel B Data Input/Output 2
5. A3 - Channel A Data Input/Output 3
6. B3 - Channel B Data Input/Output 3
7. A4 - Channel A Data Input/Output 4
8. B4 - Channel B Data Input/Output 4
9. GND - Ground
10. OE - Output Enable
11. DIR - Direction Control
12. VCC - Supply Voltage
13. B5 - Channel B Data Input/Output 5
14. A5 - Channel A Data Input/Output 5
15. B6 - Channel B Data Input/Output 6
16. A6 - Channel A Data Input/Output 6
17. B7 - Channel B Data Input/Output 7
18. A7 - Channel A Data Input/Output 7
19. B8 - Channel B Data Input/Output 8
20. A8 - Channel A Data Input/Output 8

Functional Features

• Bidirectional voltage level shifting: The SN74V245-7PAG allows for bidirectional data transmission between two different voltage domains.
• Signal buffering: It provides signal buffering to ensure proper voltage levels and reduce noise interference.
• High-speed operation: The IC is designed to operate at high speeds, making it suitable for applications requiring fast data transfer.
• Low power consumption: The SN74V245-7PAG is optimized for low power consumption, making it energy-efficient.

Advantages and Disadvantages

Advantages

• Efficient voltage level shifting
• Reliable signal buffering
• High-speed data transmission
• Low power consumption

Disadvantages

• Limited number of channels (8)
• Requires careful handling due to its small package size

Working Principles

The SN74V245-7PAG operates based on the principles of CMOS technology. It utilizes a combination of transistors and logic gates to shift voltage levels and buffer signals. When the appropriate control signals are applied, the IC enables bidirectional data transfer between two voltage domains while maintaining signal integrity.

Detailed Application Field Plans

The SN74V245-7PAG finds applications in various electronic systems, including but not limited to:

1. Microcontrollers and microprocessors
2. Communication devices (routers, switches)
3. Data acquisition systems
4. Industrial automation equipment
5. Automotive electronics
6. Consumer electronics (smartphones, tablets)

Detailed and Complete Alternative Models

1. SN74LVC245A: This IC offers similar voltage level shifting and signal buffering capabilities with a different package option.
2. SN74HCT245: A higher-speed alternative with compatibility for a wider supply voltage range.
3. SN74LVCH245A: Provides lower power consumption and improved noise immunity compared to the SN74V245-7PAG.

These alternative models can be considered based on specific application requirements and design constraints.

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