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Product Detailed Parameters
- Description：IC MULTIVIBRATOR 45NS 14SOP
- Series：7400
- Mfr：Texas Instruments
- Package：Tape & Reel (TR)
- Logic Type：Monostable
- Independent Circuits：2
- Schmitt Trigger Input：No
- Propagation Delay：45 ns
- Current - Output High, Low：400µA, 16mA
- Voltage - Supply：4.75 V ~ 5.25 V
- Operating Temperature：0°C ~ 70°C
- Mounting Type：Surface Mount
- Package / Case：14-SOIC (0.209", 5.30mm Width)
- Supplier Device Package：14-SO
- Grade：-
- Qualification：-
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Overview
The SN74121NSRG4 is a monostable multivibrator integrated circuit manufactured by Texas Instruments. It operates within a supply voltage range of 4.75V to 5.25V and supports an output current of 16 mA. The device features two channels and utilizes a 14-pin VSSOP package with surface mount installation. It functions as a single-bit logic gate with two inputs and is designed for operation in temperatures ranging from 0°C to 70°C.
Feature Summary
- Provides precise timing pulse generation through internal RC components
- Features non-retriggerable or retriggerable input configurations
- Includes dedicated trigger inputs for flexible control logic
Applications
- Timing delay circuits
- Pulse width modulation systems
- Frequency division networks
Procurement Notes
Verify the specific suffix 'G4' indicates lead-free and RoHS compliance status against the latest manufacturer datasheet. Confirm the VSSOP-14 package dimensions match your PCB footprint requirements. Ensure the operating temperature range meets your environmental specifications before finalizing procurement orders.
Selection Notes
Select this component when a reliable, low-cost monostable multivibrator is required for standard 5V logic applications. Consider the VSSOP package size constraints and ensure adequate thermal management for the specified operating temperature range. Verify compatibility with existing trigger signal levels.
Part Context
This part belongs to the SN74xx series of logic integrated circuits, widely used in digital electronics for basic timing and waveform shaping functions. The SN74121 variant specifically addresses applications requiring stable one-shot pulse generation without complex external programming.
Replacement Considerations
SN74121N
FAQ
Is the SN74121NSRG4 retriggerable?
Yes, the SN74121 can be configured as either retriggerable or non-retriggerable depending on the external connection of its trigger inputs.
What type of package does the SN74121NSRG4 use?
It uses a 14-pin Very Small Outline Package (VSSOP) designed for surface mount technology.
