Specification	SN74HC21PWT

Current - Output High, Low [custom]	5.2 mA
Current - Output High, Low [custom]	5.2 mA
Input Logic Level - High [Max]	4.2 V
Input Logic Level - High [Min]	1.5 V
Input Logic Level - Low [Max]	1.8 V
Input Logic Level - Low [Min]	0.5 V
Logic Type	AND Gate
Max Propagation Delay @ V, Max CL	19 ns
Mounting Type	Surface Mount
Number of Circuits	2
Number of Inputs	4
Operating Temperature [Max]	85 °C
Operating Temperature [Min]	-40 °C
Package / Case	14-TSSOP
Package / Case [custom]	0.173 "
Package / Case [custom]	4.4 mm
Supplier Device Package	14-TSSOP
Voltage - Supply [Max]	6 V
Voltage - Supply [Min]	2 V

SN74HC21 Series

2-ch, 4-input, 2-V to 6-V 5.2 mA drive strength AND gate

Part	Input Logic Level - Low [Max]	Input Logic Level - Low [Min]	Mounting Type	Package / Case [x]	Package / Case [y]	Package / Case	Input Logic Level - High [Min]	Input Logic Level - High [Max]	Operating Temperature [Max]	Operating Temperature [Min]	Current - Output High, Low [custom]	Current - Output High, Low [custom]	Number of Circuits	Max Propagation Delay @ V, Max CL	Number of Inputs	Logic Type	Voltage - Supply [Min]	Voltage - Supply [Max]	Supplier Device Package	Package / Case [custom]	Package / Case [custom]
Texas Instruments SN74HC21DT	1.8 V	0.5 V	Surface Mount	0.154 in	3.9 mm	14-SOIC	1.5 V	4.2 V	85 °C	-40 °C	5.2 mA	5.2 mA	2	19 ns	4	AND Gate	2 V	6 V
Texas Instruments SN74HC21PWR	1.8 V	0.5 V	Surface Mount			14-TSSOP	1.5 V	4.2 V	85 °C	-40 °C	5.2 mA	5.2 mA	2	19 ns	4	AND Gate	2 V	6 V	14-TSSOP	0.173 "	4.4 mm
Texas Instruments SN74HC21PWT	1.8 V	0.5 V	Surface Mount			14-TSSOP	1.5 V	4.2 V	85 °C	-40 °C	5.2 mA	5.2 mA	2	19 ns	4	AND Gate	2 V	6 V	14-TSSOP	0.173 "	4.4 mm
Texas Instruments SN74HC21D	1.8 V	0.5 V	Surface Mount	0.154 in	3.9 mm	14-SOIC	1.5 V	4.2 V	85 °C	-40 °C	5.2 mA	5.2 mA	2	19 ns	4	AND Gate	2 V	6 V
Texas Instruments CD74HC21E	1.8 V	0.5 V	Through Hole	0.3 "	7.62 mm	14-DIP	1.5 V	4.2 V	125 °C	-55 °C	5.2 mA	5.2 mA	2	19 ns	4	AND Gate	2 V	6 V
Texas Instruments SN74HC21NSR	1.8 V	0.5 V	Surface Mount	0.209 "	5.3 mm	14-SOIC	1.5 V	4.2 V	85 °C	-40 °C	5.2 mA	5.2 mA	2	19 ns	4	AND Gate	2 V	6 V	14-SO
Texas Instruments SN74HC21DE4	1.8 V	0.5 V	Surface Mount	0.154 in	3.9 mm	14-SOIC	1.5 V	4.2 V	85 °C	-40 °C	5.2 mA	5.2 mA	2	19 ns	4	AND Gate	2 V	6 V
Texas Instruments SN74HC21DG4	1.8 V	0.5 V	Surface Mount	0.154 in	3.9 mm	14-SOIC	1.5 V	4.2 V	85 °C	-40 °C	5.2 mA	5.2 mA	2	19 ns	4	AND Gate	2 V	6 V
Texas Instruments SN74HC21DRG4	1.8 V	0.5 V	Surface Mount	0.154 in	3.9 mm	14-SOIC	1.5 V	4.2 V	85 °C	-40 °C	5.2 mA	5.2 mA	2	19 ns	4	AND Gate	2 V	6 V
Texas Instruments SN74HC21DRE4	1.8 V	0.5 V	Surface Mount	0.154 in	3.9 mm	14-SOIC	1.5 V	4.2 V	85 °C	-40 °C	5.2 mA	5.2 mA	2	19 ns	4	AND Gate	2 V	6 V

Pricing

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

Distributor	Package	Quantity	$

Digikey	Cut Tape (CT)	1	$ 1.75
		10	$ 1.11
		25	$ 0.94
		100	$ 0.75
	Digi-Reel®	1	$ 1.75
		10	$ 1.11
		25	$ 0.94
		100	$ 0.75
	Tape & Reel (TR)	250	$ 0.66
		500	$ 0.60
		750	$ 0.57
		1250	$ 0.54
		1750	$ 0.52
		2500	$ 0.50
		6250	$ 0.46
		12500	$ 0.44
Texas Instruments	SMALL T&R	1	$ 0.82
		100	$ 0.63
		250	$ 0.46
		1000	$ 0.33

Description

General part information

SN74HC21 Series

This device contains two independent 4-input AND gates. Each gate performs the Boolean function Y = A ● B ● C ● D in positive logic.

Documents

Technical documentation and resources

SN74HC21PWT

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SN74HC21PWT

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Technical Specifications

SN74HC21 Series

Pricing

Description

SN74HC21 Series

Documents

Using High Speed CMOS and Advanced CMOS in Systems With Multiple Vcc

LOGIC Pocket Data Book (Rev. B)

Live Insertion

TI IBIS File Creation, Validation, and Distribution Processes

Implications of Slow or Floating CMOS Inputs (Rev. E)

SNx4HC21 Dual 4-Input AND Gates datasheet (Rev. F)

Designing With Logic (Rev. C)

CMOS Power Consumption and CPD Calculation (Rev. B)

Semiconductor Packing Material Electrostatic Discharge (ESD) Protection

Understanding and Interpreting Standard-Logic Data Sheets (Rev. C)

Logic Guide (Rev. AB)

SN54/74HCT CMOS Logic Family Applications and Restrictions

Input and Output Characteristics of Digital Integrated Circuits

Signal Switch Data Book (Rev. A)

SN74HC21 Series