Overview
The GTL2005PW/G-T, produced by NXP USA Inc., is a quad translating transceiver designed for interfacing between GTL/GTL+ and LVTTL/TTL buses in 3.3 V systems. This component operates as either a GTL/GTL+ sampling receiver or as an LVTTL/TTL to GTL/GTL+ driver, making it highly versatile for various system integration needs. The device features a bidirectional non-latched interface, allowing for flexible data transfer between different voltage domains.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package Type | TSSOP14 | - |
| Supply Voltage (VCC) | 3.3 V ± 0.3 V | V |
| Operating Temperature (TA) | -40°C to +85°C | °C |
| Input Signal | GTL/GTL+ | - |
| Output Signal | LVTTL, TTL | - |
| Output Type | Non-Inverted | - |
| Propagation Delay (tPLH, tPHL) | 1.9 - 2.6 ns | ns |
| LOW-Level Output Current (IOL) | Up to 128 mA (B port), Up to 80 mA (A port) | mA |
| HIGH-Level Output Current (IOH) | Up to -64 mA (B port), Up to -12 mA (A port) | mA |
Key Features
- Quad bidirectional bus interface for GTL/GTL+ to LVTTL/TTL translation.
- Direction control input (DIR) to switch between receiver and driver modes.
- LVTTL interface tolerant up to 5.5 V, allowing direct connection to TTL or 5 V CMOS outputs.
- Adjustable GTL reference voltage (VREF) for noise margin optimization.
- Compact TSSOP14 package with 14 leads.
Applications
The GTL2005PW/G-T is suitable for a variety of applications requiring voltage translation between GTL/GTL+ and LVTTL/TTL buses. These include:
- System integration in mixed-voltage environments.
- Data communication interfaces between different voltage domains.
- Industrial control systems requiring robust and reliable signal translation.
- Embedded systems and IoT devices with diverse voltage requirements.
Q & A
- What is the primary function of the GTL2005PW/G-T?
The GTL2005PW/G-T functions as a quad translating transceiver for GTL/GTL+ to LVTTL/TTL and vice versa. - What is the operating voltage range for the GTL2005PW/G-T?
The operating voltage range is 3.3 V ± 0.3 V. - What is the temperature range for the GTL2005PW/G-T?
The operating temperature range is -40°C to +85°C. - What type of package does the GTL2005PW/G-T come in?
The GTL2005PW/G-T comes in a TSSOP14 package. - Can the GTL2005PW/G-T handle high output currents?
Yes, it can handle up to 128 mA LOW-level output current on the B port and up to 80 mA on the A port. - How does the direction control input (DIR) work?
The DIR input allows the device to switch between GTL/GTL+ sampling receiver and LVTTL/TTL to GTL/GTL+ driver modes. - Is the LVTTL interface tolerant of higher voltages?
Yes, the LVTTL interface is tolerant up to 5.5 V. - What is the purpose of the adjustable GTL reference voltage (VREF)?
The adjustable VREF is for optimizing noise margins in the system. - What are some common applications for the GTL2005PW/G-T?
Common applications include system integration in mixed-voltage environments, data communication interfaces, industrial control systems, and embedded systems. - Where can I find detailed design files for the GTL2005PW/G-T?
Detailed design files, including IBIS models and CAD symbols, can be found on the NXP website or through authorized distributors.
