GTL2005PW,118

Translators, Level Shifters Overview

The GTL2005 is a quad translating transceiver designed for interfacing 3.3 V systems with GTL/GTL+ buses. It operates as either a GTL-to-TTL sampling receiver or a TTL-to-GTL interface, controlled by the DIR pin. The LVTTL interface supports voltages up to 5.5 V, allowing direct access to TTL or 5 V CMOS outputs. Supply voltage ranges from 3.0 V to 3.6 V. Input capacitance is typically 2.3 pF for control inputs and 3.4 pF for the A port. Propagation delay from B to A is typically 2.1 ns at Vref = 0.8 V, while A to B is typically 4.1 ns.

Translators, Level Shifters Feature Summary

• Quad bidirectional bus interface supporting GTL/GTL+ and LVTTL/TTL translation
• Direction pin enables configurable sampling receiver or driver functionality
• Latch-up protection exceeds 500 mA per JESD78 standard
• ESD protection exceeds 2000 V HBM and 1000 V CDM

Translators, Level Shifters Applications

• Interfacing 3.3 V logic systems with GTL/GTL+ buses
• Connecting TTL or 5 V CMOS outputs to low-voltage logic
• Live insertion and extraction permitted in system designs

Translators, Level Shifters Procurement Notes

Verify the specific ordering suffix matches the required package type, which is TSSOP14 (SOT402-1). Confirm ambient temperature operating range requirements against the specified -40 °C to +85 °C limit. Ensure supply voltage stability within the 3.0 V to 3.6 V window during operation. Check that unused inputs are properly terminated to prevent floating states.

Translators, Level Shifters Selection Notes

Select this component when bridging GTL/GTL+ buses with 3.3 V or 5 V tolerant LVTTL interfaces is required. The device supports live insertion, making it suitable for hot-swap applications. Consider the propagation delay characteristics if timing constraints are critical between the A and B ports. Verify Vref linearity performance if the application operates below 0.8 V reference voltage.

Translators, Level Shifters Part Context

The GTL2005 belongs to NXP's family of level translators, specifically positioned alongside the GTL2014. While the GTL2014 offers faster propagation delays, the GTL2005 provides a cost-effective solution for general GTL/GTL+ to LVTTL/TTL translation tasks. It serves as a bridge between different logic families in mixed-voltage digital systems.

Translators, Level Shifters Replacement Considerations

The GTL2014 is a documented alternative within the same product family offering faster propagation speeds. Direct substitution requires verifying that the increased speed meets system timing requirements and that pin compatibility remains consistent across the TSSOP14 package.