Integrated Circuits (ICs)

SN74LS21NS

Obsolete

Texas Instruments

AND GATE 2-ELEMENT 4-IN BIPOLAR 14-PIN SOP TUBE

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Integrated Circuits (ICs)

SN74LS21NS

Obsolete

Texas Instruments

AND GATE 2-ELEMENT 4-IN BIPOLAR 14-PIN SOP TUBE

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Specifications Series Pricing Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	SN74LS21NS

Current - Output High, Low [custom]	400 µA
Current - Output High, Low [custom]	8 mA
Input Logic Level - High	3.4 V
Input Logic Level - Low [Max]	0.5 V
Input Logic Level - Low [Min]	0.4 V
Logic Type	AND Gate
Max Propagation Delay @ V, Max CL	20 ns
Mounting Type	Surface Mount
Number of Circuits	2
Number of Inputs	4
Operating Temperature [Max]	70 °C
Operating Temperature [Min]	0 °C
Package / Case	14-SOIC
Package / Case [x]	0.209 "
Package / Case [y]	5.3 mm
Supplier Device Package	14-SO
Voltage - Supply [Max]	5.25 V
Voltage - Supply [Min]	4.75 V

SN74LS21 Series

2-ch, 4-input, 4.75-V to 5.25-V 16-mA drive strength bipolar AND gate

Part	Number of Inputs	Input Logic Level - Low	Package / Case	Package / Case [y]	Package / Case [x]	Mounting Type	Max Propagation Delay @ V, Max CL	Operating Temperature [Max]	Number of Circuits	Voltage - Supply [Min]	Voltage - Supply [Max]	Logic Type	Current - Output High, Low [custom]	Current - Output High, Low [custom]	Input Logic Level - High	Input Logic Level - Low [Min]	Input Logic Level - Low [Max]	Supplier Device Package
Texas Instruments SN74LS21N	4	0.8 V	14-DIP	7.62 mm	0.3 "	Through Hole	20 ns	70 °C	2	4.75 V	5.25 V	AND Gate	400 µA	8 mA
Texas Instruments SN74LS21NS	4		14-SOIC	5.3 mm	0.209 "	Surface Mount	20 ns	70 °C	2	4.75 V	5.25 V	AND Gate	400 µA	8 mA	3.4 V	0.4 V	0.5 V	14-SO
Texas Instruments SN74LS21D	4	0.8 V	14-SOIC	3.9 mm	0.154 in	Surface Mount	20 ns	70 °C	2	4.75 V	5.25 V	AND Gate	400 µA	8 mA
Texas Instruments SN74LS21NSR	4	0.8 V	14-SOIC	5.3 mm	0.209 "	Surface Mount	20 ns	70 °C	2	4.75 V	5.25 V	AND Gate	400 µA	8 mA				14-SO
Texas Instruments SN74LS21DR	4	0.8 V	14-SOIC	3.9 mm	0.154 in	Surface Mount	20 ns	70 °C	2	4.75 V	5.25 V	AND Gate	400 µA	8 mA
Texas Instruments SN74LS21NG4	4	0.8 V	14-DIP	7.62 mm	0.3 "	Through Hole	20 ns	70 °C	2	4.75 V	5.25 V	AND Gate	400 µA	8 mA

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Digikey	Tube	1	$ 1.66
		10	$ 1.48
		50	$ 1.41
		100	$ 1.15
		250	$ 1.08
		500	$ 0.95
		1000	$ 0.75

Description

General part information

SN74LS21 Series

These devices contain two independent 4-input AND gates.

The SN54LS21 is characterized for operation over the full military temperature range of -55°C to 125°C. The SN74LS21 is characterized for operation from 0°C to 70°C.

These devices contain two independent 4-input AND gates.

Documents

Technical documentation and resources

No documents available