SN74LVC1G18YZAR

Overview

The SN74LVC1G18YZAR is a single-channel, noninverting demultiplexer from the Texas Instruments LVC logic family. It routes data from input A to either output Y0 or Y1 based on the state of the select (S) input. The device supports a supply voltage range of 1.65 V to 5.5 V and features three-state deselected outputs. It operates within an ambient temperature range of -40°C to +85°C and utilizes a NanoFree WCSP package with a 0.17-mm small bump.

Feature Summary

• Supports partial-power-down mode operation via Ioff circuitry to prevent damaging current backflow when powered down
• Features high ESD protection performance exceeding JESD 22 requirements for human-body, machine, and charged-device models
• Provides latch-up performance exceeding 100 mA per JESD 78 Class II specifications

Applications

• Partial-power-down applications requiring controlled output disabling
• Data routing in low-voltage digital systems
• Signal switching in portable electronic devices

Procurement Notes

Verify the specific ordering suffix 'YZA' corresponds to the NanoFree WCSP package with 0.17-mm small bumps. Confirm that the component status is NRND (Not Recommended for New Designs), indicating it is intended for existing designs rather than new development. Ensure compatibility with RoHS and Green environmental standards as specified in the packaging information.

Selection Notes

Select this component when a compact, single-channel demultiplexer with three-state outputs is required for low-voltage applications. The LVC series offers wide supply voltage flexibility from 1.65 V to 5.5 V. Consider the NRND status if designing new products, as TI does not recommend using this part in new designs. Verify thermal impedance and package dimensions against PCB layout constraints.

Part Context

This device belongs to the SN74LVC1Gxx series of single-function logic ICs manufactured by Texas Instruments. The LVC family is designed for low-voltage CMOS applications. The SN74LVC1G18 specifically functions as a 1-of-2 demultiplexer. Other variants in the series include buffers, gates, and latches, sharing similar electrical characteristics and packaging options such as SOT-23 and DSBGA.

Replacement Considerations

SN74LVC1G18YZPR is a direct replacement variant featuring a 0.23-mm large bump in the same NanoFree WCSP package.