74LVCH244AD-Q100J

Overview

The Nexperia 74LVCH244AD-Q100J is an octal non-inverting buffer and line driver featuring three-state outputs, qualified to AEC-Q100 Grade 1 standards for automotive use. It operates within a supply voltage range of 1.2 V to 3.6 V and supports inputs up to 5.5 V. The device utilizes Schmitt-trigger action on all data inputs to ensure tolerance against slow signal transitions. It is housed in a SOIC-20 (SOT163-1) package with a body width of 7.5 mm.

Feature Summary

• Automotive qualification compliant with AEC-Q100 Grade 1 specifications
• Bus hold functionality on all data inputs eliminates the need for external pull-up resistors
• High noise immunity provided by Schmitt-trigger action at all input terminals
• Outputs maintain high-impedance state when supply voltage is zero

Applications

• Mixed 3.3 V and 5 V logic environments requiring level translation
• Automotive electronic systems meeting Grade 1 reliability requirements
• Data bus buffering applications utilizing two independent 4-bit buffers
• Line driving circuits requiring high-impedance control via dual output enables

Procurement Notes

Verify that the specific ordering suffix corresponds to the SOIC-20 plastic small outline package variant. Confirm the component meets the required AEC-Q100 Grade 1 qualification status for your target application. Ensure compatibility with the specified -40 °C to +125 °C operating temperature range during system design validation.

Selection Notes

Select this component when designing for automotive environments requiring robust signal integrity and mixed-voltage interfacing capabilities. The integrated bus hold feature simplifies circuit design by removing the necessity for additional passive components to secure unused inputs. Verify that the 5 V tolerant input specification aligns with the source logic levels present in the target system architecture.

Part Context

This part belongs to the Nexperia 74LVC/LVCH244A-Q100 family of octal buffers. The 'LVCH' designation specifically indicates the inclusion of bus hold circuitry on the data inputs, distinguishing it from the standard LVC variant which lacks this feature. Both variants share identical electrical characteristics regarding speed, power consumption, and package dimensions.

Replacement Considerations

The 74LVC244AD-Q100 serves as a functional substitute but lacks the bus hold feature found in the LVCH version.