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Product Detailed Parameters
- Description：IC MULTIVIBRATOR 28NS 16SOIC
- Series：74LS
- Mfr：Texas Instruments
- Package：Tube
- Logic Type：Monostable
- Independent Circuits：2
- Schmitt Trigger Input：No
- Propagation Delay：28 ns
- Current - Output High, Low：400µA, 8mA
- Voltage - Supply：4.75 V ~ 5.25 V
- Operating Temperature：0°C ~ 70°C
- Mounting Type：Surface Mount
- Package / Case：16-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：16-SOIC
- Grade：-
- Qualification：-
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Overview
The SN74LS123DG4 is a dual retriggerable monostable multivibrator from the Texas Instruments 74LS logic series. It operates within a supply voltage range of 4.75 V to 5.25 V and features a maximum static current of 12 mA. The device provides a propagation delay of 56 ns at 5 V with a minimum pulse width of 40 ns. It includes two independent circuits in a 16-pin SOIC package, supporting low-level output currents up to 8 mA.
Feature Summary
- Dual retriggerable monostable multivibrator configuration
- Compatible with standard 74LS logic families
- Surface-mount SOIC packaging for automated assembly
Applications
- Timing pulse generation
- Frequency division
- Pulse widening
Procurement Notes
Verify the specific suffix 'DG4' against the manufacturer's official documentation to confirm RoHS compliance status and lead-free material specifications. Ensure the ordering part number matches the exact package variant required for the design. Cross-reference with the latest datasheet revision history to validate any potential changes in electrical characteristics or recommended operating conditions before finalizing procurement.
Selection Notes
Select this component when a dual-channel timing solution compatible with LS TTL levels is required. The 74LS series offers lower power consumption compared to standard 74LS variants while maintaining similar speed. Verify that the 5 V supply voltage aligns with the system architecture. Consider the 16-pin SOIC footprint for PCB layout constraints and thermal management requirements during the selection process.
Part Context
This component belongs to the SN74LS123 family of monostable multivibrators manufactured by Texas Instruments. The 'G4' suffix typically indicates a lead-free and RoHS-compliant version of the standard SN74LS123D device. It serves as a digital timing element capable of generating precise single pulses upon triggering, widely used in industrial control and communication systems requiring reliable pulse shaping.
Replacement Considerations
SN74LS123DR
FAQ
Is the SN74LS123DG4 retriggerable?
Yes, the SN74LS123DG4 is a dual retriggerable monostable multivibrator.
What is the maximum supply voltage for this device?
The maximum operating supply voltage is 5.25 V.
