SN74LVC4245APWTG4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Level Shifter and Voltage Translator
• Characteristics: Bidirectional, 8-bit, 3-state, non-inverting
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Translates signals between different voltage levels
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• High-Level Input Voltage: 2V to VCC + 0.5V
• Low-Level Input Voltage: -0.5V to 0.8V
• High-Level Output Voltage: VCC - 0.5V
• Low-Level Output Voltage: 0.5V
• Maximum Operating Frequency: 100MHz
• Number of Channels: 8

Detailed Pin Configuration

The SN74LVC4245APWTG4 has a total of 20 pins. The pin configuration is as follows:

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

Functional Features

• Bidirectional voltage translation between two different voltage domains
• Non-inverting logic level shifting
• 3-state outputs for bus-oriented applications
• Automatic direction control based on DIR pin
• Low power consumption
• Schmitt-trigger inputs for noise immunity

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems - High-speed operation up to 100MHz enables efficient data transfer - 3-state outputs facilitate bus sharing among multiple devices - Schmitt-trigger inputs provide robustness against noise

Disadvantages: - Limited number of channels (8) may not be sufficient for complex applications - TSSOP package may require careful handling during assembly

Working Principles

The SN74LVC4245APWTG4 is designed to translate signals between two voltage domains, typically used in mixed-voltage systems. It operates bidirectionally, allowing data transmission in both directions. The direction of translation is controlled by the DIR pin. When DIR is high, data flows from A-side to B-side, and when DIR is low, data flows from B-side to A-side.

The device utilizes non-inverting buffers, ensuring that the logic levels of the input signals are preserved during translation. The 3-state outputs enable multiple devices to share a common bus, preventing contention issues.

Detailed Application Field Plans

The SN74LVC4245APWTG4 finds applications in various fields, including:

1. Microcontroller interfacing: It can be used to interface microcontrollers operating at different voltage levels.
2. Communication systems: It enables voltage level translation between different communication protocols.
3. Industrial automation: The IC facilitates signal conversion in industrial control systems.
4. Automotive electronics: It is suitable for translating signals in automotive electronic modules.

Detailed and Complete Alternative Models

1. TXB0108PWR: 8-bit bidirectional voltage-level translator with automatic direction control.
2. PCA9306DCTR: Dual bidirectional I2C-bus and SMBus voltage-level translator.
3. SN74LVC1T45DBVR: Single-bit dual-supply bus transceiver with configurable voltage translation.

These alternative models offer similar functionality to the SN74LVC4245APWTG4 and can be considered based on specific requirements.

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