SN74LS123DBR

Overview

The SN74LS123DBR is a dual retriggerable monostable multivibrator from the Texas Instruments SN74LS series. It operates within a supply voltage range of 4.75 V to 5.25 V and features a maximum propagation delay of 56 ns at 5 V. The device supports a maximum static current of 12 mA, with output currents of 8 mA (low) and -400 µA (high). It is housed in a 16-pin SSOP package and functions reliably between 0°C and +70°C.

Feature Summary

• Dual retriggerable monostable multivibrator architecture
• Surface-mount SSOP-16 packaging for compact integration
• Standard LS logic family compatibility

Applications

• Pulse timing circuits
• Frequency division
• Timing delays

Procurement Notes

Verify the specific suffix 'DBR' corresponds to the SSOP-16 tape-and-reel configuration. Confirm RoHS compliance status through official manufacturer documentation or authorized distributor datasheets prior to finalizing procurement specifications.

Selection Notes

Select this component when dual independent monostable circuits are required in a surface-mount design. Ensure the application environment remains within the specified 0°C to +70°C temperature range and that the 5 V supply tolerance aligns with system power rails.

Part Context

This part belongs to the SN74LS123 family of dual monostable multivibrators. It provides two independent timing channels within a single integrated circuit, designed for standard TTL logic applications requiring precise pulse generation or width modulation.

Replacement Considerations

SN74LS123DR

FAQ

Is the SN74LS123DBR retriggerable?

Yes, the device is a dual retriggerable monostable multivibrator.

What is the operating temperature range?

The specified operating temperature range is 0°C to +70°C.