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