GTL2014PWZ

Translators, Level Shifters Overview

The GTL2014PWZ is a 4-bit LVTTL to GTL translating transceiver designed for interfacing 3.3 V LVTTL systems with GTL-/GTL/GTL+ buses. It operates as either a GTL to LVTTL sampling receiver or an LVTTL to GTL driver, controlled by the DIR pin. The device supports 3.0 V to 3.6 V operation with 5 V tolerant LVTTL inputs and 3.6 V tolerant GTL I/Os. The Vref is adjustable from 0.5 V to VCC/2. Propagation delays range from 2.8 ns to 5.3 ns typical at 3.3 V.

Translators, Level Shifters Feature Summary

• Configurable direction control allows operation as a GTL-to-LVTTL receiver or LVTTL-to-GTL driver.
• Provides voltage translation between 3.3 V LVTTL logic levels and GTL bus standards.
• Features 5 V tolerant inputs on the LVTTL side and 3.6 V tolerant outputs on the GTL side.
• Supports partial power-down modes to reduce system power consumption.

Translators, Level Shifters Applications

• Interfacing 3.3 V LVTTL systems with GTL-/GTL/GTL+ buses
• CPU interface applications requiring low voltage reference tracking
• System designs utilizing open-drain output configurations

Translators, Level Shifters Procurement Notes

Verify that the specific ordering suffix matches the required packaging configuration. Confirm the temperature range aligns with operational requirements. Ensure compatibility with existing PCB footprints, noting the TSSOP14 package dimensions. Check for any relevant product change notices regarding manufacturing updates.

Translators, Level Shifters Selection Notes

Select this component when interfacing 3.3 V LVTTL logic with GTL bus architectures. Consider the GTL2014 over the GTL2005 if lower voltage CPU support down to 0.5 V Vref is required, despite slightly longer propagation delays. Verify input/output voltage tolerances match the system design constraints.

Translators, Level Shifters Part Context

The GTL2014 serves as a successor to the GTL2005, offering backward compatibility in pinout while improving Vref linearity at lower voltages. It is part of NXP's portfolio of level-shifting transceivers designed for high-speed digital interfaces. The device addresses the need for reliable data translation between different logic families in complex electronic systems.

Translators, Level Shifters Replacement Considerations

The GTL2014PWZ is documented as a drop-in replacement for the previously discontinued GTL2014PW variant according to PCN:202102035F01. Both parts share identical electrical specifications and pin configurations within the TSSOP14 package.

Translators, Level Shifters FAQ

How does the GTL2014 differ from the GTL2005?

The GTL2014 features Vref tracking down to 0.5 V for low voltage CPUs, whereas the GTL2005 degrades below 0.8 V. The GTL2014 has slightly longer propagation delays compared to the GTL2005.

What is the function of the DIR pin?

The DIR pin controls the data flow direction. A high level configures the device as a GTL to LVTTL sampling receiver, while a low level configures it as an LVTTL to GTL driver.