These devices are fully specified for partial-power-down applications using I off. The I off circuitry disables the outputs, preventing damaging current backflow through the devices when they are powered down.

Technical Specifications

Parameters and characteristics for this part

Specification	SN74LV21ANSR

Current - Output High	12 mA
Current - Output Low	12 mA
Current - Quiescent (Max)	20 µA
Input Logic Level - High	1.5 V
Input Logic Level - Low (Voltage)	0.5 V
Logic Type	AND Gate
Max CL	50 pF
Max Propagation Delay	7 ns
Mounting Type	Surface Mount
Number of Circuits	2
Number of Inputs	4
Operating Temperature (Max)	85 °C
Operating Temperature (Min)	-40 °C
Package Length	0.209 in
Package Name	14-SO, 14-SOIC
Package Width	5.3 mm
Voltage - Supply (Maximum)	5.5 V
Voltage - Supply (Minimum)	2 V

74LV21 Series

Part	Mounting Type	Operating Temperature (Min)	Operating Temperature (Max)	Voltage - Supply (Maximum)	Voltage - Supply (Minimum)	Number of Circuits	Current - Output High	Current - Output Low	Input Logic Level - Low (Voltage)	Number of Inputs	Package Width	Package Name	Package Length	Current - Quiescent (Max)	Input Logic Level - High	Max CL	Max Propagation Delay	Logic Type
Texas Instruments SN74LV21AD	Surface Mount	-40 °C	85 °C	5.5 V	2 V	2	12 mA	12 mA	0.5 V	4	3.9 mm	14-SOIC	0.154 in	20 µA	1.5 V	50 pF	7 ns	AND Gate
Texas Instruments SN74LV21ADBR	Surface Mount	-40 °C	85 °C	5.5 V	2 V	2	12 mA	12 mA	0.5 V	4	5.3 mm	14-SSOP	0.209 in	20 µA	1.5 V	50 pF	7 ns	AND Gate
Texas Instruments SN74LV21APWRG4	Surface Mount	-40 °C	85 °C	5.5 V	2 V	2	12 mA	12 mA	0.5 V	4	4.4 mm	14-TSSOP	0.173 in	20 µA	1.5 V	50 pF	7 ns	AND Gate
Texas Instruments SN74LV21ADR	Surface Mount	-40 °C	85 °C	5.5 V	2 V	2	12 mA	12 mA	0.5 V	4	3.9 mm	14-SOIC	0.154 in	20 µA	1.5 V	50 pF	7 ns	AND Gate
Texas Instruments SN74LV21ANSR	Surface Mount	-40 °C	85 °C	5.5 V	2 V	2	12 mA	12 mA	0.5 V	4	5.3 mm	14-SO 14-SOIC	0.209 in	20 µA	1.5 V	50 pF	7 ns	AND Gate
Texas Instruments SN74LV21APW	Surface Mount	-40 °C	85 °C	5.5 V	2 V	2	12 mA	12 mA	0.5 V	4	4.4 mm	14-TSSOP	0.173 in	20 µA	1.5 V	50 pF	7 ns	AND Gate
Texas Instruments SN74LV21APWR	Surface Mount	-40 °C	85 °C	5.5 V	2 V	2	12 mA	12 mA	0.5 V	4	4.4 mm	14-TSSOP	0.173 in	20 µA	1.5 V	50 pF	7 ns	AND Gate
Texas Instruments SN74LV21APWT	Surface Mount	-40 °C	85 °C	5.5 V	2 V	2	12 mA	12 mA	0.5 V	4	4.4 mm	14-TSSOP	0.173 in	20 µA	1.5 V	50 pF	7 ns	AND Gate
Texas Instruments SN74LV21ADE4	Surface Mount	-40 °C	85 °C	5.5 V	2 V	2	12 mA	12 mA	0.5 V	4	3.9 mm	14-SOIC	0.154 in	20 µA	1.5 V	50 pF	7 ns	AND Gate
Texas Instruments SN74LV21ADGVR	Surface Mount	-40 °C	85 °C	5.5 V	2 V	2	12 mA	12 mA	0.5 V	4	4.4 mm	14-TFSOP 14-TVSOP	0.173 in	20 µA	1.5 V	50 pF	7 ns	AND Gate

Pricing

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CAD

3D models and CAD resources for this part

Documents

Technical documentation and resources

SN74LV21A Dual 4-Input Positive-AND Gate datasheet (Rev. F)