74ABT20N,112

Overview

The NXP USA Inc. 74ABT20N,112 is a dual 4-input NAND gate implemented in high-performance BiCMOS technology. It operates within a supply voltage range of 4.5 V to 5.5 V and supports an ambient temperature range from -40 °C to +85 °C. The device features low static and dynamic power dissipation combined with high speed and high output drive capabilities. Key electrical parameters include a HIGH-level output voltage of 2.5 V at -15 mA and a LOW-level output voltage of 0.35 V at 20 mA. Propagation delays are specified between 1.0 ns and 4.6 ns depending on the transition direction and temperature conditions.

Feature Summary

• Latch-up protection exceeds 500 mA per JESD78B class II level A
• ESD protection exceeds 2000 V according to HBM JESD22-A114F standard
• ESD protection exceeds 200 V according to MM JESD22-A115-A standard

Applications

• General digital logic processing requiring dual 4-input NAND functionality
• High-speed data path buffering and signal conditioning
• Industrial control systems operating within extended temperature ranges

Procurement Notes

Verify the specific ordering suffix against the manufacturer's current catalog to ensure package compatibility, as the 74ABT20 series offers multiple package options including SO14, SSOP14, and TSSOP14. Confirm that the supplied component matches the required pin configuration and body width specifications for your PCB layout. Cross-reference the revision history to ensure the datasheet version aligns with the manufactured lot. Ensure compliance with RoHS directives if applicable to your assembly process.

Selection Notes

Select this component when a dual 4-input NAND gate with BiCMOS performance characteristics is required. It is suitable for applications demanding high output drive currents and fast propagation delays within a 5 V logic family. Consider the available package options such as SO, SSOP, or TSSOP based on board space constraints. Ensure the design accounts for the specified input leakage currents and supply current variations across the operating temperature range.

Part Context

The 74ABT20 belongs to the 74ABT logic family, which utilizes BiCMOS technology to bridge the gap between standard TTL/CMOS speeds and higher performance requirements. This family is characterized by its ability to operate at 5 V while maintaining compatibility with various logic interfaces. The device integrates two independent 4-input NAND gates into a single 14-lead package, providing a compact solution for complex logic functions in dense circuit designs.

Replacement Considerations

Direct replacements must maintain the dual 4-input NAND function and compatible 5 V BiCMOS characteristics. Verify pinout compatibility for SO14, SSOP14, or TSSOP14 packages depending on the original footprint. Ensure substitute components meet the same ESD protection levels and latch-up ratings specified in the original datasheet.

FAQ

What is the maximum supply voltage for the 74ABT20?

The maximum recommended supply voltage (VCC) is 5.5 V, with an absolute maximum rating of 7.0 V.

Does the 74ABT20 support hot insertion?

Yes, the device includes IOFF partial discharge protection, allowing inputs or outputs to be connected or disconnected while the device is powered off without causing excessive current flow.

What is the typical propagation delay at 25 °C?

At 25 °C and VCC = 5.0 V, the typical propagation delay is 2.7 ns for LOW to HIGH transitions and 2.2 ns for HIGH to LOW transitions.