SN74ALS21ADR
- Mfr.Part #
- SN74ALS21ADR
- Manufacturer
- Texas Instruments
- Package / Case
- 14-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC GATE AND 2CH 4-INP 14SOIC
- Stock
- 98
- In Stock :
- 98
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- Manufacturer :
- Texas Instruments
- Product Category :
- Gates and Inverters
- Family :
- ALS
- Logic Level - Low :
- 0.8V
- Power Supplies :
- 5V
- Current - Output High, Low :
- 400μA 8mA
- Operating Supply Voltage :
- 5V
- Number of Inputs :
- 4
- Base Part Number :
- 74ALS21
- Propagation Delay :
- 18 ns
- Mounting Type :
- Surface Mount
- Number of Elements :
- 2
- Voltage - Supply :
- 4.5V~5.5V
- RoHS Status :
- ROHS3 Compliant
- Turn On Delay Time :
- 15 ns
- Radiation Hardening :
- No
- ECCN Code :
- EAR99
- Height :
- 1.75mm
- Number of Outputs :
- 1
- Number of Terminations :
- 14
- Number of Functions :
- 2
- Operating Temperature :
- 0°C~70°C
- Pin Count :
- 14
- Peak Reflow Temperature (Cel) :
- 260
- Quiescent Current :
- 1.4mA
- Weight :
- 129.387224mg
- Length :
- 8.65mm
- Output Current :
- 8mA
- Series :
- 74ALS
- Load Capacitance :
- 50pF
- Pbfree Code :
- yes
- Terminal Position :
- Dual
- Max I(ol) :
- 0.008 A
- Terminal Form :
- Gull wing
- Max Propagation Delay @ V, Max CL :
- 15ns @ 5V, 50pF
- Mount :
- Surface Mount
- Logic Type :
- AND Gate
- Packing Method :
- TR
- Number of Pins :
- 14
- Schmitt Trigger :
- No
- Supply Voltage :
- 5V
- Package / Case :
- 14-SOIC (0.154, 3.90mm Width)
- Packaging :
- Tape and Reel (TR)
- Logic Function :
- AND
- Thickness :
- 1.58mm
- JESD-609 Code :
- e4
- Factory Lead Time :
- 6 Weeks
- Logic Level - High :
- 2V
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Width :
- 3.91mm
- Lifecycle Status :
- ACTIVE (Last Updated: 5 days ago)
- Lead Free :
- Lead Free
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Datasheets
- SN74ALS21ADR

Gates and Inverters Texas Instruments SN74ALS21ADR Overview
The SN74ALS21ADR from Texas Instruments stands out as a critical component in the Gates and Inverters category, offering robust functionality for diverse applications. This dual 4-input AND gate IC is engineered to meet the stringent requirements of advanced digital systems. Its design in a 14-SOIC package allows for efficient integration into space-constrained environments while maintaining excellent performance. The SN74ALS21ADR is specifically designed to handle high-speed logic operations, boasting a high noise immunity and low power consumption that make it an ideal choice for sophisticated electronics needing reliable logic operations.
SN74ALS21ADR Features
The SN74ALS21ADR IC features dual 4-input AND gates which enable it to efficiently process complex logic functions. Key features include a wide operating voltage range from 4.5 V to 5.5 V and a typical voltage of 5 V, which is common in digital circuits, ensuring compatibility with a broad array of digital systems. The device also provides a low power consumption of 20 μA max in the off state, contributing to energy-efficient designs. Additionally, its fast propagation delay of approximately 11 ns ensures swift data handling for enhanced processing speeds.
SN74ALS21ADR Applications
- Computing Systems: Used in servers and PCs, the SN74ALS21ADR manages logical operations essential for complex computing processes.
- Communication Equipment: Integral to communication infrastructures, this IC helps in signal direction logic, ensuring accurate data transmission and reception.
- Consumer Electronics: In devices such as gaming consoles and home appliances, the SN74ALS21ADR contributes to the management of multiple inputs, ensuring functional and user interface logic operates seamlessly.
- Industrial Controls: This IC is used in control systems for processing multiple sensor inputs, essential for automated decision-making in industrial environments.
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