SN74ABT843NSRG4

Product Overview

• Category: Integrated Circuit
• Use: Logic Level Translator
• Characteristics: High-Speed, Non-Inverting, 8-Bit, Tri-State
• Package: 20-pin Shrink Small Outline Package (SSOP)
• Essence: Logic level translation between different voltage domains
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage: 2.3V to 3.6V
• Input Voltage Levels: 0V to VCC
• Output Voltage Levels: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay: 5.5ns (Max)
• Output Current: ±24mA
• Input Capacitance: 4pF
• Output Capacitance: 8pF

Detailed Pin Configuration

The SN74ABT843NSRG4 has a total of 20 pins. The pin configuration is as follows:

1. OE (Output Enable) - Active Low Output Enable
2. A1 - Input A1
3. A2 - Input A2
4. A3 - Input A3
5. A4 - Input A4
6. A5 - Input A5
7. A6 - Input A6
8. A7 - Input A7
9. A8 - Input A8
10. GND (Ground) - Ground Reference
11. B1 - Input B1
12. B2 - Input B2
13. B3 - Input B3
14. B4 - Input B4
15. B5 - Input B5
16. B6 - Input B6
17. B7 - Input B7
18. B8 - Input B8
19. VCC - Positive Power Supply
20. Y1-Y8 - Output Pins

Functional Features

• Non-inverting logic level translation between two voltage domains
• High-speed operation with minimal propagation delay
• Tri-state outputs for bus-oriented applications
• Wide operating voltage range for compatibility with various systems
• Low input and output capacitance for reduced power consumption

Advantages and Disadvantages

Advantages: - Enables seamless communication between different voltage domains - Fast operation ensures efficient data transfer - Tri-state outputs allow multiple devices to share a common bus - Wide operating voltage range provides flexibility in system design - Low power consumption due to low input and output capacitance

Disadvantages: - Limited to 8-bit logic level translation - Requires careful consideration of voltage levels to avoid signal distortion - May not be suitable for applications requiring higher current capabilities

Working Principles

The SN74ABT843NSRG4 is designed to translate logic levels between two voltage domains. It utilizes non-inverting buffers to ensure accurate signal transmission. The device operates by receiving input signals from one voltage domain (A1-A8) and translating them to the corresponding output signals (Y1-Y8) in another voltage domain (B1-B8). The OE pin controls the output enable function, allowing the outputs to be tri-stated when necessary.

Detailed Application Field Plans

The SN74ABT843NSRG4 can be used in various applications that require logic level translation between different voltage domains. Some potential application fields include:

1. Microcontroller Interfaces: Facilitating communication between microcontrollers operating at different voltage levels.
2. Sensor Networks: Enabling connectivity between sensors with varying voltage requirements.
3. Industrial Automation: Integrating different control systems with distinct voltage domains.
4. Communication Systems: Bridging the gap between devices operating at different logic levels.
5. Automotive Electronics: Supporting voltage translation in automotive electronic systems.

Detailed and Complete Alternative Models

1. SN74ABT841NSRG4: Similar 8-bit non-inverting logic level translator with tri-state outputs.
2. SN74LVC4245APWR: Octal bus transceiver and voltage level shifter with 3-state outputs.
3. SN74AVC4T245PWR: 4-bit dual-supply bus transceiver with configurable voltage translation.

These alternative models offer similar functionality and can be considered based on specific application requirements.

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