SN74ABTH245DGVR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Level Shifter and Bus Transceiver
• Characteristics: High-speed, bidirectional voltage-level translation
• Package: VSSOP (Very Small Outline Package)
• Essence: Transfers data between different voltage domains
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 2.3V to 3.6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Input Capacitance: 4pF
• Output Capacitance: 8pF
• Propagation Delay: 3.5ns (typical)

Detailed Pin Configuration

The SN74ABTH245DGVR has a total of 20 pins, which are assigned as follows:

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

Functional Features

• Bidirectional voltage-level translation between two different voltage domains
• Supports both 3.3V and 2.5V logic levels
• High-speed operation with low propagation delay
• Output enable control for disabling the outputs
• Direction control for selecting the data flow direction

Advantages and Disadvantages

Advantages: - Enables communication between devices operating at different voltage levels - Fast and efficient voltage-level translation - Compact package size allows for space-saving designs

Disadvantages: - Limited to specific voltage ranges (2.3V to 3.6V) - Requires careful consideration of input/output capacitance

Working Principles

The SN74ABTH245DGVR is a bidirectional level shifter and bus transceiver. It facilitates communication between two systems operating at different voltage levels. The device uses a combination of voltage level translators and direction control to ensure proper data transfer. The output enable control allows for disabling the outputs when necessary.

Detailed Application Field Plans

The SN74ABTH245DGVR is commonly used in various applications, including:

1. Microcontroller interfacing with peripherals operating at different voltage levels.
2. Communication between different logic families, such as TTL and CMOS.
3. Level shifting in mixed-voltage systems, such as battery-powered devices.

Detailed and Complete Alternative Models

1. TXB0108PWR: 8-Bit Bidirectional Voltage-Level Translator
2. PCA9306DCTR: Dual Bidirectional I2C Bus and SMBus Voltage-Level Translator
3. SN74LVC4245APW: Octal Bus Transceiver with 3-State Outputs

These alternative models offer similar functionality and can be considered as alternatives to the SN74ABTH245DGVR.

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