Overview
The SN74GTL1655DGGR is a high-performance 16-bit universal bus transceiver produced by Texas Instruments. This integrated circuit (IC) is designed to facilitate signal-level translation between LVTTL (Low Voltage Transistor-Transistor Logic) and GTL/GTL+ (Gunning Transceiver Logic) standards. It is part of the 74GTL series and is widely used in applications requiring high-speed data transfer and live insertion capabilities. The device is housed in a 64-TSSOP package, making it suitable for surface-mount technology (SMT) applications. Its robust design and advanced features make it a preferred choice for engineers working on backplane interfaces and other high-speed communication systems.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Logic Type | Universal Bus Transceiver | - | - |
| Circuit Count | 16-bit | - | - |
| Output Current (High/Low) | 24mA / 24mA | mA | - |
| Supply Voltage | 3V ~ 3.6V | V | - |
| Operating Temperature | -40°C ~ 85°C | °C | - |
| Mounting Type | Surface Mount | - | - |
| Package / Case | 64-TFSOP (0.240", 6.10mm wide) | - | - |
| Supplier Device Package | 64-TSSOP | - | - |
Key Features
- Supports live insertion for hot-swapping applications.
- Provides LVTTL-to-GTL/GTL+ and GTL/GTL+-to-LVTTL signal-level translation.
- High-drive capability with 24mA output current.
- Operates at a wide supply voltage range of 3V to 3.6V.
- Robust design for high-speed backplane communication.
- Available in a compact 64-TSSOP package for space-constrained applications.
Applications
The SN74GTL1655DGGR is ideal for use in high-speed communication systems, particularly in backplane interfaces. It is commonly employed in industrial automation, telecommunications, and data center applications where reliable and fast data transfer is critical. Its live insertion capability makes it suitable for systems requiring hot-swapping of components without disrupting operations. Additionally, its compatibility with LVTTL and GTL/GTL+ standards ensures versatility in mixed-signal environments.
Q & A
1. What is the primary function of the SN74GTL1655DGGR?
The primary function of the SN74GTL1655DGGR is to act as a 16-bit universal bus transceiver, facilitating signal-level translation between LVTTL and GTL/GTL+ standards.
2. What is the operating voltage range of this device?
The operating voltage range is 3V to 3.6V.
3. Does this device support live insertion?
Yes, the SN74GTL1655DGGR supports live insertion, making it suitable for hot-swapping applications.
4. What is the output current capability of this transceiver?
The output current capability is 24mA for both high and low states.
5. What is the operating temperature range?
The operating temperature range is -40°C to 85°C.
6. What package type is the SN74GTL1655DGGR available in?
It is available in a 64-TSSOP package.
7. Is this device suitable for surface-mount technology (SMT)?
Yes, it is designed for surface-mount applications.
8. What are the typical applications of this transceiver?
Typical applications include backplane interfaces, industrial automation, telecommunications, and data centers.
9. Does the SN74GTL1655DGGR support bidirectional data flow?
Yes, it supports bidirectional data flow.
10. What is the significance of the 74GTL series?
The 74GTL series is known for its high-speed data transfer capabilities and robust design, making it suitable for demanding communication systems.
