CD74HC123PWT

Multivibrators Overview

The CD74HC123PWT is a dual monostable multivibrator from the Texas Instruments 74HC logic family, housed in a TSSOP-16 surface-mount package. It operates on a supply voltage range of 2 V to 6 V with a maximum quiescent current of 8 uA. The device features two independent circuits per chip and supports retriggering functionality. Key electrical parameters include propagation delays of 320 ns, 64 ns, and 54 ns, along with output currents of 5.2 mA for both high and low states. It functions reliably within an operating temperature range of -55°C to +125°C.

Multivibrators Feature Summary

• Dual monostable multivibrator configuration providing two independent timing circuits within a single integrated circuit.
• Retriggerable design allows pulse width extension upon receiving new trigger signals during the timing interval.
• High-speed CMOS technology ensures low power consumption while maintaining fast switching speeds.
• Wide operating voltage range supports compatibility with various digital logic systems.

Multivibrators Applications

• Pulse generation and timing control in digital circuits
• Debouncing mechanical switches to eliminate contact bounce noise
• Frequency division and pulse width modulation applications

Multivibrators Procurement Notes

Verify the specific suffix 'PWT' against official manufacturer documentation to confirm the exact tape-and-reel packaging quantity and variant specifications. Ensure the component matches the required TSSOP-16 footprint and lead finish. Cross-reference the datasheet revision history to confirm compliance with current RoHS standards and material declarations before finalizing procurement orders.

Multivibrators Selection Notes

Select this component when a dual-channel monostable solution is required with wide voltage tolerance and industrial temperature stability. The HC series offers a balance of speed and power efficiency suitable for general-purpose timing tasks. Consider the TSSOP-16 package constraints regarding PCB space and thermal dissipation requirements relative to the application environment.

Multivibrators Part Context

This part belongs to the CD74HC123 series of dual retriggerable monostable multivibrators manufactured by Texas Instruments. It is part of the broader 74HC logic family, designed for high-speed CMOS applications. The device serves as a fundamental building block for creating precise time delays and pulse shaping in complex digital systems requiring reliable timing operations.

Multivibrators Replacement Considerations

Direct substitutes include the CD74HC123PWR and CD74HC123PW variants from Texas Instruments, which share identical logical functions and pinouts but may differ in packaging format or reel specifications. Verify pin compatibility and electrical characteristics before substituting.