SN74ABTH245PWRG4

Product Overview

• Category: Integrated Circuit
• Use: Level Shifter and Bus Transceiver
• Characteristics: High-speed, Bi-directional, Voltage-level Translation
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Translates signals between different voltage levels in electronic systems
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 2 V to 5.5 V
• Input Voltage Range: 0 V to VCC
• Output Voltage Range: 0 V to VCC
• Maximum Operating Frequency: 100 MHz
• Number of Channels: 8
• Logic Family: ABT
• Output Drive Capability: ±12 mA
• Low Power Consumption: ICC = 4 μA (Max)

Detailed Pin Configuration

The SN74ABTH245PWRG4 has a total of 20 pins. The pin configuration is as follows:

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

Functional Features

• Bi-directional voltage-level translation between two different voltage domains.
• Allows interfacing between devices operating at different voltage levels.
• Provides bidirectional data transfer capability.
• Supports high-speed operation up to 100 MHz.
• Low power consumption, making it suitable for battery-powered applications.
• Output enable control allows for easy system integration.

Advantages and Disadvantages

Advantages: - Enables seamless communication between devices with different voltage levels. - High-speed operation ensures efficient data transfer. - Low power consumption extends battery life in portable devices. - Compact TSSOP package saves board space.

Disadvantages: - Limited number of channels (8) may not be sufficient for complex systems requiring more connections. - Not suitable for voltage translation beyond the specified range (2 V to 5.5 V).

Working Principles

The SN74ABTH245PWRG4 is a level shifter and bus transceiver that operates by translating signals between two different voltage domains. It uses a combination of input/output buffers and voltage level shifters to ensure bidirectional data transfer. The direction of data flow is controlled by the DIR pin. When the DIR pin is set to logic low, data flows from channel A to channel B, and when set to logic high, data flows from channel B to channel A.

The integrated circuit operates within a specified supply voltage range of 2 V to 5.5 V. It provides reliable voltage-level translation while maintaining signal integrity and minimizing noise interference.

Detailed Application Field Plans

The SN74ABTH245PWRG4 is commonly used in various electronic systems where voltage-level translation is required. Some of the application fields include:

1. Microcontroller Interfacing: It enables communication between microcontrollers operating at different voltage levels, allowing seamless integration of peripherals and sensors.
2. Communication Interfaces: It facilitates voltage translation between different communication interfaces such as UART, SPI, and I2C, enabling compatibility between devices with varying voltage requirements.
3. Mixed Voltage Systems: It is suitable for systems that incorporate components operating at different voltage levels, such as mixed-signal circuits, data acquisition systems, and industrial automation equipment.

Detailed and Complete Alternative Models

1. SN74LVC245APWRG4: Low-Voltage CMOS Octal Bus Transceiver
2. SN74HCT245N: High-Speed CMOS Octal Bus Transceiver
3. SN74LVCH245ADBR: Low-Voltage CMOS Octal Bus Transceiver with 3-State Outputs
4. SN74AVC4T245PW: 4-Bit Dual-Supply Bus Transceiver with Configurable Voltage Translation

These alternative models offer similar functionality and can be considered based on specific system