SN74LVCH245ARGYR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Level Shifter/Transceiver
• Characteristics: Low-voltage, high-speed, 8-bit bidirectional transceiver
• Package: VQFN-20
• Essence: Transfers data between different voltage domains
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 1.65V to 3.6V
• High-Level Input Voltage: 2V to VCC + 0.5V
• Low-Level Input Voltage: -0.5V to 0.8V
• High-Level Output Voltage: VCC - 0.4V
• Low-Level Output Voltage: 0.4V
• Maximum Operating Frequency: 400MHz
• Number of Channels: 8
• Input/Output Type: Tri-State

Detailed Pin Configuration

The SN74LVCH245ARGYR has a total of 20 pins. The pin configuration is as follows:

1. OE (Output Enable) - Active low output enable input
2. A1 - Data input/output for channel 1
3. B1 - Data input/output for channel 1
4. A2 - Data input/output for channel 2
5. B2 - Data input/output for channel 2
6. A3 - Data input/output for channel 3
7. B3 - Data input/output for channel 3
8. GND (Ground) - Ground reference
9. B4 - Data input/output for channel 4
10. A4 - Data input/output for channel 4
11. B5 - Data input/output for channel 5
12. A5 - Data input/output for channel 5
13. B6 - Data input/output for channel 6
14. A6 - Data input/output for channel 6
15. B7 - Data input/output for channel 7
16. A7 - Data input/output for channel 7
17. B8 - Data input/output for channel 8
18. A8 - Data input/output for channel 8
19. VCC (Power Supply) - Positive power supply
20. DIR (Direction Control) - Direction control input

Functional Features

• Bidirectional data transfer between voltage domains
• Supports voltage level shifting from 1.65V to 3.6V
• Tri-state outputs allow multiple devices to share a common bus
• High-speed operation up to 400MHz
• Low power consumption
• ESD protection on all inputs and outputs

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems - High-speed operation enables efficient data transfer - Tri-state outputs facilitate bus sharing - ESD protection ensures device reliability

Disadvantages: - Limited number of channels (8) - Not suitable for applications requiring higher voltage levels

Working Principles

The SN74LVCH245ARGYR is designed to shift data between two voltage domains. It operates by receiving data from one domain and transmitting it to the other, or vice versa. The direction of data flow is controlled by the DIR pin. When the DIR pin is high, data is transmitted from A-side to B-side, and when it is low, data is transmitted from B-side to A-side. The OE pin is used to enable or disable the outputs.

Detailed Application Field Plans

The SN74LVCH245ARGYR is commonly used in various applications that require level shifting and bidirectional data transfer between different voltage domains. Some specific application fields include:

1. Communication Systems: Used in interface circuits between different communication modules operating at different voltage levels.
2. Industrial Automation: Enables data exchange between control systems and peripheral devices with varying voltage requirements.
3. Consumer Electronics: Facilitates communication between different components, such as microcontrollers, sensors, and displays, operating at different voltages.
4. Automotive Electronics: Used in automotive systems to interface between different voltage domains, ensuring reliable data transfer.

Detailed and Complete Alternative Models

1. SN74LVC245ARGYR
2. SN74LVCH245APWR
3. SN74LVCH245ADBR
4. SN74LVCH245ADBRE4
5. SN74LVCH245APWRE4

These alternative models offer similar functionality and characteristics to the SN74LVCH245ARGYR, providing options for different package types or quantity requirements.

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