SN74LS21N
- Mfr.Part #
- SN74LS21N
- Manufacturer
- Texas Instruments
- Package / Case
- 14-DIP (0.300, 7.62mm)
- Datasheet
- Download
- Description
- IC GATE AND 2CH 4-INP 14DIP
- Stock
- 29,323
- In Stock :
- 29,323
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- Manufacturer :
- Texas Instruments
- Product Category :
- Gates and Inverters
- Lifecycle Status :
- ACTIVE (Last Updated: 6 days ago)
- Family :
- LS
- Weight :
- 927.99329mg
- Logic Level - Low :
- 0.8V
- Packaging :
- Tube
- Max I(ol) :
- 0.008 A
- Number of Functions :
- 2
- Number of Outputs :
- 1
- ECCN Code :
- EAR99
- JESD-609 Code :
- e4
- Series :
- 74LS
- Pin Count :
- 14
- Width :
- 6.35mm
- Propagation Delay :
- 20 ns
- Schmitt Trigger Input :
- No
- Mounting Type :
- Through Hole
- Current - Output High, Low :
- 400μA 8mA
- Logic Function :
- AND
- Output Current :
- 8mA
- Terminal Position :
- Dual
- Termination :
- Through Hole
- Logic Level - High :
- 2V
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Number of Channels :
- 2
- REACH SVHC :
- No SVHC
- Supply Voltage :
- 5V
- Contact Plating :
- Gold
- Base Part Number :
- 74LS21
- Number of Terminations :
- 14
- Lead Free :
- Lead Free
- Package / Case :
- 14-DIP (0.300, 7.62mm)
- Quiescent Current :
- 2.2mA
- Max Propagation Delay @ V, Max CL :
- 20ns @ 5V, 15pF
- Power Supplies :
- 5V
- Manufacturer Package Identifier :
- N(R-PDIP-T**)
- RoHS Status :
- ROHS3 Compliant
- Factory Lead Time :
- 6 Weeks
- Thickness :
- 3.9mm
- Mount :
- Through Hole
- Turn On Delay Time :
- 15 ns
- Operating Supply Voltage :
- 5V
- Number of Inputs :
- 4
- Height :
- 5.08mm
- Operating Temperature :
- 0°C~70°C
- Logic Type :
- AND Gate
- Length :
- 19.3mm
- Voltage - Supply :
- 4.75V~5.25V
- Number of Pins :
- 14
- Datasheets
- SN74LS21N

Gates and Inverters Texas Instruments SN74LS21N Overview
The SN74LS21N, manufactured by Texas Instruments, is a high-performance dual 4-input AND gate integrated circuit, encapsulated in a 14-pin DIP (Dual In-line Package). This component is part of the renowned 74LS series, known for their reliability and logic operations efficiency. The Gates and Inverters Texas Instruments SN74LS21N is specifically designed for applications requiring multiple logic inputs to be ANDed, delivering consistent output with minimal power usage. Its robust design and high functionality make it an ideal choice for complex digital systems where space and power efficiency are critical.
SN74LS21N Features
The SN74LS21N offers several features that enhance its applicability in digital circuits:
- Logic Type: Dual 4-Input AND Gate
- Package Type: 14-DIP
- Operating Temperature Range: 0°C to 70°C
- Supply Voltage: 5V
- Low power consumption
- High noise immunity
- Fast propagation delay
SN74LS21N Applications
- Computing Systems: Used in both consumer and industrial computing systems to manage logical conditions based on multiple input signals.
- Embedded Systems: Essential for embedded system designs requiring compact and efficient logic gating.
- Signal Processing: Implements logical decisions in various signal processing equipment where multiple criteria need to be met before passing a signal.
- Automation Systems: Integral in automation systems for conditional operations and safety interlocks.
- Networking Equipment: Utilized in networking hardware for packet filtering and routing decisions based on multiple criteria.
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