SN74GTLP817DWE4

Product Overview

• Category: Integrated Circuit
• Use: Signal Level Translator
• Characteristics: Low Voltage, High-Speed, Bi-Directional
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Translates signals between different voltage levels
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.2V to 3.6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Maximum Data Rate: 2.5 Gbps
• Number of Channels: 8
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74GTLP817DWE4 has a total of 20 pins. The pin configuration is as follows:

1. A1
2. B1
3. OE#
4. VCCB
5. B2
6. A2
7. GND
8. B3
9. A3
10. B4
11. A4
12. B5
13. A5
14. B6
15. A6
16. B7
17. A7
18. B8
19. A8
20. VCCA

Functional Features

• Bi-directional level translation between two voltage domains
• Supports voltage translation from 1.2V to 3.6V
• Provides bidirectional data flow with minimal propagation delay
• Low power consumption
• ESD protection on all pins

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems - High-speed data transmission up to 2.5 Gbps - Bi-directional functionality simplifies system design - ESD protection ensures robustness

Disadvantages: - Limited number of channels (8) - Operating temperature range may not be suitable for extreme environments

Working Principles

The SN74GTLP817DWE4 is a signal level translator that enables communication between devices operating at different voltage levels. It utilizes a combination of voltage level shifters and bi-directional buffers to ensure seamless data transfer.

When an input signal from one voltage domain is applied to the corresponding input pin (A1-A8), the device translates the signal to the voltage level compatible with the other domain. The translated signal is then available at the corresponding output pin (B1-B8).

The direction of translation is controlled by the OE# (Output Enable) pin. When OE# is low, the device is enabled, allowing bidirectional data flow. When OE# is high, the device is disabled, and the outputs are in high-impedance state.

Detailed Application Field Plans

The SN74GTLP817DWE4 is commonly used in various applications where voltage translation is required. Some of the typical application fields include:

1. Communication Systems: Enables interfacing between different voltage domains in communication systems such as routers, switches, and network equipment.
2. Consumer Electronics: Facilitates communication between low-voltage microcontrollers and higher voltage peripherals like displays, sensors, and memory devices.
3. Industrial Automation: Allows integration of devices operating at different voltage levels in industrial automation systems, including PLCs, motor control units, and sensors.
4. Automotive Electronics: Supports voltage translation between automotive control units, sensors, and actuators, ensuring compatibility and reliable communication.

Detailed and Complete Alternative Models

1. SN74LVC1T45DBVR: Single-bit dual-supply bus transceiver with voltage-level translation capability.
2. SN74AVC4T245PW: Quad-bit dual-supply bus transceiver with voltage-level translation and 3-state outputs.
3. SN74LVC8T245PWR: Octal-bit dual-supply bus transceiver with voltage-level translation and 3-state outputs.

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

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