NLVHC4538ADTR2G

Overview

The NLVHC4538ADTR2G is a dual precision monostable multivibrator manufactured by onsemi. It operates within a supply voltage range of 2.0 to 6.0 V and supports an ambient temperature range from -55°C to +125°C. The device features retriggerable and resettable functionality, allowing output pulse widths determined by external timing components Rx and Cx. It provides high noise immunity and allows unlimited rise and fall times on trigger inputs.

Feature Summary

• Retriggerable and resettable dual monostable multivibrator design
• Conditioned trigger inputs allow unlimited rise and fall times
• Output pulse width independent of trigger pulse width
• AEC-Q100 qualified with PPAP capability for automotive applications

Applications

• Automotive electronic systems requiring unique site control
• Precision timing circuits utilizing external RC networks
• Pulse generation and shaping in CMOS logic environments

Procurement Notes

Verify the specific ordering suffix and package type (TSSOP-16) against current onsemi documentation. Confirm AEC-Q100 qualification status and PPAP requirements if deploying in automotive contexts. Ensure external timing component selection aligns with datasheet recommendations to maintain specified pulse width accuracy.

Selection Notes

Select this component when dual precision monostable operation is required within a 2.0 V to 6.0 V supply range. It is suitable for designs needing conditioned trigger inputs that eliminate rise/fall time restrictions. Verify compatibility with standard CMOS outputs and LSTTL interfaces via pullup resistors.

Part Context

This part belongs to the HC4538A family of dual precision monostable multivibrators. The NLV prefix indicates it meets specific automotive site and control change requirements. It shares pinout compatibility with the MC14538B while offering enhanced reliability standards for demanding environments.

Replacement Considerations

MC74HC4538ADTR2G

FAQ

How does the device handle trigger input rise and fall times?

The device has conditioned trigger inputs, which means there are no restrictions on trigger-input rise and fall times.

What determines the output pulse width?

The output pulse width is determined by the external timing components, specifically the resistor (Rx) and capacitor (Cx).