74LVT245DB,112

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Level Shifter and Bus Transceiver
• Characteristics: High-speed, low-power, bidirectional voltage level translation
• Package: SSOP (Shrink Small Outline Package)
• Essence: Voltage level shifting and bus transceiving capabilities
• 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
• Operating Temperature Range: -40°C to +85°C
• Input Capacitance: 4pF
• Output Capacitance: 8pF
• Propagation Delay Time: 3.5ns (max)
• Output Drive Capability: ±24mA

Detailed Pin Configuration

The 74LVT245DB,112 IC has a total of 20 pins, which are assigned as follows:

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

Functional Features

• Bidirectional voltage level translation between two different voltage domains
• Automatic direction control based on the DIR input signal
• Output enable control for disabling the outputs when not required
• High-speed operation with low power consumption
• Compatible with various logic families such as TTL, CMOS, and LVCMOS

Advantages and Disadvantages

Advantages

• Provides seamless voltage level shifting between different logic families
• Supports bidirectional data transmission
• Low power consumption
• High-speed operation
• Compact SSOP package for space-constrained applications

Disadvantages

• Limited supply voltage range (1.2V to 3.6V)
• May require additional external components for noise filtering or protection

Working Principles

The 74LVT245DB,112 is a bidirectional level shifter and bus transceiver IC. It allows for voltage level translation between two different voltage domains, enabling communication between devices operating at different logic levels. The direction of data flow is controlled by the DIR input pin. When DIR is set to logic high, data is transmitted from Port A to Port B, and when DIR is set to logic low, data is transmitted from Port B to Port A. The OE pin is used to enable or disable the outputs.

Detailed Application Field Plans

The 74LVT245DB,112 is commonly used in various applications where voltage level translation and bidirectional data transmission are required. Some of the typical application fields include: - Microcontroller interfacing with different logic families - Communication interfaces between devices operating at different voltage levels - Data buses in industrial automation systems - Level shifting in battery-powered portable devices

Detailed and Complete Alternative Models

• 74LVC245A: Similar functionality with a wider supply voltage range (1.65V to 5.5V)
• SN74LVTH245A: Higher drive capability and lower input/output capacitance
• 74HCT245: Compatible with TTL logic family, higher supply voltage range (4.5V to 5.5V)

Please note that the above alternative models are just a few examples, and there are several other alternatives available in the market.

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