74LVT245BDB,112

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Level Shifter and Bus Transceiver
• Characteristics: Low Voltage, Bi-directional, Tri-state
• Package: SSOP-20
• Essence: Logic Level Conversion and Signal Transmission
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 1.2V to 3.6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• High-level Input Voltage: 0.7 x VCC to VCC + 0.3V
• Low-level Input Voltage: -0.3V to 0.3 x VCC
• High-level Output Voltage: 0.9 x VCC to VCC
• Low-level Output Voltage: 0V to 0.1 x VCC
• Maximum Input Current: ±10mA
• Maximum Output Current: ±32mA
• Propagation Delay Time: 4.5ns (Max)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

1. OE (Output Enable) - Active Low Output Enable
2. A1 - Data Input/Output for Port A
3. A2 - Data Input/Output for Port A
4. A3 - Data Input/Output for Port A
5. A4 - Data Input/Output for Port A
6. A5 - Data Input/Output for Port A
7. GND - Ground
8. B1 - Data Input/Output for Port B
9. B2 - Data Input/Output for Port B
10. B3 - Data Input/Output for Port B
11. B4 - Data Input/Output for Port B
12. B5 - Data Input/Output for Port B
13. VCC - Supply Voltage
14. DIR (Direction Control) - Direction Control Input
15. GND - Ground
16. B6 - Data Input/Output for Port B
17. B7 - Data Input/Output for Port B
18. B8 - Data Input/Output for Port B
19. B9 - Data Input/Output for Port B
20. B10 - Data Input/Output for Port B

Functional Features

• Bi-directional level shifting between two voltage domains.
• Tri-state outputs allow multiple devices to share a common bus.
• Output enable control for disabling the outputs when not in use.
• High-speed operation with low propagation delay time.
• Wide operating voltage range allows compatibility with various systems.

Advantages and Disadvantages

Advantages

• Provides bidirectional voltage level translation.
• Supports a wide range of supply voltages.
• Allows multiple devices to communicate on a shared bus.
• Low power consumption.
• Compact package size.

Disadvantages

• Limited number of input/output pins.
• May require additional external components for certain applications.
• Not suitable for high-voltage applications.

Working Principles

The 74LVT245BDB,112 is a bi-directional level shifter and bus transceiver integrated circuit. It allows for the conversion of logic levels between two voltage domains, enabling communication between devices operating at different voltage levels. The direction of data transmission is controlled by the DIR pin, while the OE pin enables or disables the outputs. The tri-state outputs provide the ability to disconnect the device from the bus when not in use, allowing other devices to communicate on the same bus.

Detailed Application Field Plans

The 74LVT245BDB,112 is commonly used in various applications that require level shifting and bus transceiver functionality. Some of the typical application fields include: - Microcontroller interfacing with different voltage peripherals. - Communication between devices operating at different voltage levels. - Data transmission in mixed-voltage systems. - Interface conversion in industrial automation systems. - Signal translation in automotive electronics.

Detailed and Complete Alternative Models

• 74LVC245A: Similar functionality with a wider supply voltage range (1.65V to 5.5V).
• SN74LVTH245A: Bi-directional level shifter with higher output drive capability.
• 74HCT245: Octal bus transceiver with TTL-level compatibility.
• CD4508B: Dual 4-bit analog multiplexer/demultiplexer with level shifting capability.

(Note: The above alternative models are provided for reference and may have different specifications and pin configurations. It is recommended to consult the respective datasheets for detailed information.)

Word count: 536 words