IDT74LVC245APGG

Overview

• Category: Integrated Circuit (IC)
• Use: Level Shifter and Bus Transceiver
• Characteristics: Low Voltage, Bidirectional, 8-bit, Non-Inverting
• Package: TSSOP-20
• Essence: Transfers data between different voltage domains
• 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
• Maximum Operating Frequency: 400MHz
• Number of Channels: 8
• Input/Output Type: Tri-State
• Propagation Delay: 4.5ns (Max)
• Output Drive Capability: ±24mA

Pin Configuration

The IDT74LVC245APGG has a total of 20 pins. The pin configuration is as follows:

__ __ A1 -| |--| |- VCC B1 -| |--| |- OE# A2 -| |--| |- 1B1 B2 -| |--| |- 2B1 A3 -| |--| |- 3B1 B3 -| |--| |- 4B1 GND -| |--| |- 4A1 DIR -| |--| |- 3A1 1A1 -| |--| |- 2A1 2A2 -| |--| |- 1B2 3A2 -| |--| |- 2B2 4A2 -| |--| |- 3B2 4B2 -| |--| |- 4B2 3B2 -| |--| |- GND 2B1 -| |--| |- B3 1B1 -| |--| |- A3 OE# -| |--| |- B2 VCC -| |--| |- A2 -- --

Functional Features

• Bidirectional data transfer between two voltage domains
• Non-inverting logic translation
• Tri-State outputs for bus sharing
• Low power consumption
• High-speed operation
• ESD protection on all inputs and outputs

Advantages

• Wide supply voltage range allows compatibility with various systems
• Fast propagation delay enables high-speed data transfer
• Tri-State outputs facilitate bus sharing in multi-master systems
• ESD protection ensures robustness against electrostatic discharge

Disadvantages

• Limited number of channels (8)
• Requires careful consideration of voltage levels to prevent damage

Working Principles

The IDT74LVC245APGG is a bidirectional level shifter and bus transceiver. It allows data transfer between two voltage domains, typically used in systems where different parts operate at different voltage levels. The IC translates the logic levels from one domain to another without inverting the data. It features tri-state outputs, enabling multiple devices to share a common bus. The IC operates at low power and high speed, making it suitable for various applications.

Detailed Application Field Plans

The IDT74LVC245APGG finds applications in various fields, including:

1. Microcontroller interfacing: It facilitates communication between microcontrollers operating at different voltage levels.
2. Sensor networks: It enables data exchange between sensors and control units with varying voltage requirements.
3. Industrial automation: The IC allows seamless integration of different subsystems operating at different voltage levels.
4. Communication systems: It aids in level shifting between different communication protocols and voltage domains.
5. Automotive electronics: It assists in connecting components with different voltage requirements, such as sensors, actuators, and control units.

Detailed and Complete Alternative Models

1. SN74LVC245APW: Similar bidirectional level shifter with 8 channels, offered in a TSSOP-20 package.
2. MC74LVX245DTR2G: Non-inverting bus transceiver with 8 channels, available in a TSSOP-20 package.
3. CD74HCT245E: Octal bus transceiver with non-inverting outputs, provided in a DIP-20 package.

These alternative models offer similar functionality and can be considered as replacements for the IDT74LVC245APGG in various applications.

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