SN74LVCC3245APW

Product Overview

• Category: Integrated Circuit (IC)
• Use: Level Shifter and Bus Transceiver
• Characteristics: Bidirectional voltage level translation, 3-state outputs, low voltage operation
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: High-performance CMOS technology for voltage level shifting and bus transceiver applications
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Maximum Operating Frequency: 100MHz
• Number of Channels: 8
• Input/Output Type: Bi-directional
• Output Drive Capability: ±24mA
• Propagation Delay Time: 4.6ns (typical)

Detailed Pin Configuration

The SN74LVCC3245APW has a total of 20 pins, which are assigned as follows:

1. OE (Output Enable) - Active Low Output Enable
2. A1 - Channel 1 Data I/O
3. B1 - Channel 1 Data I/O
4. GND - Ground
5. B2 - Channel 2 Data I/O
6. A2 - Channel 2 Data I/O
7. VCC - Power Supply
8. B3 - Channel 3 Data I/O
9. A3 - Channel 3 Data I/O
10. B4 - Channel 4 Data I/O
11. A4 - Channel 4 Data I/O
12. B5 - Channel 5 Data I/O
13. A5 - Channel 5 Data I/O
14. B6 - Channel 6 Data I/O
15. A6 - Channel 6 Data I/O
16. B7 - Channel 7 Data I/O
17. A7 - Channel 7 Data I/O
18. B8 - Channel 8 Data I/O
19. A8 - Channel 8 Data I/O
20. VCC - Power Supply

Functional Features

• Bidirectional voltage level translation between two different voltage domains
• 3-state outputs allow multiple devices to share a common bus
• Supports both push-pull and open-drain output configurations
• Low voltage operation makes it suitable for battery-powered applications
• ESD protection on all pins ensures robustness against electrostatic discharge

Advantages and Disadvantages

Advantages: - Provides seamless voltage level translation between different logic families - High-speed operation allows for efficient data transfer - Flexible output configurations enable compatibility with various bus architectures - Low power consumption enhances energy efficiency - ESD protection safeguards the IC from damage during handling and operation

Disadvantages: - Limited number of channels (8) may not be sufficient for complex systems requiring more connections - Propagation delay time may impact real-time applications with strict timing requirements

Working Principles

The SN74LVCC3245APW utilizes high-performance CMOS technology to achieve bidirectional voltage level shifting and bus transceiver functionality. It operates by translating signals between two voltage domains, allowing devices operating at different voltage levels to communicate with each other. The IC features 3-state outputs, which can be enabled or disabled using the OE pin. When disabled, the outputs are in a high-impedance state, enabling multiple devices to share a common bus without interference.

Detailed Application Field Plans

The SN74LVCC3245APW is commonly used in various applications, including:

1. Microcontroller interfacing: It enables communication between microcontrollers operating at different voltage levels.
2. Sensor networks: It facilitates data exchange between sensors and microcontrollers with different voltage requirements.
3. Industrial automation: The IC allows for level shifting in control systems, enabling compatibility between different logic families.
4. Communication systems: It is used in bus transceiver circuits to interface between different communication protocols and voltage levels.
5. Battery-powered devices: The low voltage operation of the IC makes it suitable for portable electronics, such as smartphones and tablets.

Detailed and Complete Alternative Models

1. SN74LVC245APW: Similar functionality but operates at a lower voltage range (1.65V to 3.6V).
2. SN74HCT245PW: Compatible with TTL logic levels and operates at a wider voltage range (2V to 6V).
3. SN74LVCC3245ADWR: Available in a different package (SOIC) with the same pin configuration and specifications.

These alternative models offer similar voltage level translation and bus transceiver capabilities, providing options based on specific application requirements.

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