CD74HC4538QPWRG4Q1

Multivibrators Overview

The CD74HC4538QPWRG4Q1 is a dual precision monostable multivibrator from Texas Instruments, designed for fixed-voltage timing applications. It operates within a supply voltage range of 2 V to 6 V and features a maximum power supply current of 8 µA. The device provides low-level output currents of 5.2 mA and high-level output currents of -5.2 mA. Propagation delays are specified at 250 ns, 50 ns, and 43 ns depending on conditions. It is qualified under AEC-Q100 standards and functions reliably across an operating temperature range of -40 °C to +125 °C.

Multivibrators Feature Summary

• Integrates two independent RC-configurable non-retriggerable monostable multivibrators
• Supports extended pulse-width generation capabilities
• Qualified for automotive applications under AEC-Q100 standards

Multivibrators Applications

• Automotive electronic timing circuits
• Fixed-voltage pulse generation systems
• RC-timed event detection logic

Multivibrators Procurement Notes

Verify the complete part number including suffixes such as Q1 and G4 to ensure correct automotive qualification and tape-and-reel packaging configuration. Confirm that the specific variant matches the required AEC-Q100 reliability standards for your target application environment before finalizing procurement orders.

Multivibrators Selection Notes

Select this component when dual independent timing channels are required in an automotive-grade environment. Ensure the external RC components selected can support the desired pulse width within the 2 V to 6 V supply range. Verify that the TSSOP-16 package dimensions fit the available PCB footprint constraints.

Multivibrators Part Context

This part belongs to the CD74HC4538-Q1 family of high-speed CMOS logic devices. It serves as the automotive-qualified version of the standard CD74HC4538, offering enhanced reliability for vehicle electronics while maintaining compatibility with standard HC logic families.

Multivibrators Replacement Considerations

Check for SN74HC4538QPWRG4Q1 or other -Q1 suffixed variants from Texas Instruments for direct functional equivalence. Verify pinout compatibility and electrical specifications against the original datasheet before substitution.