74LVC4245ABQ-Q100J

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Level Shifter and Bus Transceiver
• Characteristics: Bi-directional voltage level translation between different logic levels
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: High-speed CMOS technology for low power consumption and high noise immunity
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 1.2V to 3.6V
• Logic Voltage Levels: 1.2V to 3.6V
• Input/Output Voltage Range: Ground to VCC
• Maximum Output Current: ±24mA
• Operating Temperature Range: -40°C to +125°C
• Input Capacitance: 4pF
• Propagation Delay: 4.5ns (max) at 3.3V supply, 20pF load

Detailed Pin Configuration

The 74LVC4245ABQ-Q100J has a total of 24 pins arranged in a TSSOP package. The pin configuration is as follows:

___________ A1 | | VCCB A2 | | B1 A3 | | B2 A4 | | B3 A5 | | B4 A6 | | B5 A7 | | B6 GND | | B7 OE | | B8 DIR | | B9 A8 | | B10 A9 | | B11 A10 | | B12 A11 | | B13 A12 | | B14 VCCA |___________| B15

Functional Features

• Bi-directional voltage level translation: Allows seamless communication between devices operating at different logic levels.
• Automatic direction control: The DIR pin determines the direction of data flow, simplifying the interface design.
• Output enable control: The OE pin enables or disables the outputs, providing flexibility in controlling the bus transceiver.

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems. - High-speed CMOS technology ensures fast and efficient level shifting. - Low power consumption for energy-efficient operation. - High noise immunity for reliable data transmission.

Disadvantages: - Limited maximum output current may restrict use in high-current applications. - TSSOP package may require careful handling during assembly.

Working Principles

The 74LVC4245ABQ-Q100J utilizes a combination of MOSFETs and CMOS technology to achieve bi-directional voltage level translation. It operates by monitoring the input voltage levels and automatically adjusting the output voltage levels accordingly. The DIR pin controls the direction of data flow, while the OE pin enables or disables the outputs.

Detailed Application Field Plans

The 74LVC4245ABQ-Q100J is commonly used in various applications that require voltage level translation, such as: 1. Interfacing between microcontrollers and peripheral devices operating at different logic levels. 2. Communication between different types of memory modules. 3. Level shifting in industrial automation systems. 4. Signal conversion in automotive electronics. 5. Interface design in consumer electronics.

Detailed and Complete Alternative Models

1. SN74LVC4245A: Similar functionality and specifications from Texas Instruments.
2. MC74LVC4245: Equivalent level shifter IC from ON Semiconductor.
3. CD74LVC4245: Alternative model offered by Texas Instruments.

These alternative models provide similar voltage level translation capabilities and can be used as substitutes for the 74LVC4245ABQ-Q100J in various applications.

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