Integrated Circuits (ICs)

CD74HCT21E

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2-CH 4-INPUT 4.5-V TO 5.5-V AND GATE WITH TTL-COMPATIBLE INPUTS

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DocumentsSemiconductor Packing Material Electrostatic Discharge (ESD) Protection Implications of Slow or Floating CMOS Inputs (Rev. E)+10

Integrated Circuits (ICs)

CD74HCT21E

Active

Texas Instruments

2-CH 4-INPUT 4.5-V TO 5.5-V AND GATE WITH TTL-COMPATIBLE INPUTS

Deep-Dive with AI

DocumentsSemiconductor Packing Material Electrostatic Discharge (ESD) Protection Implications of Slow or Floating CMOS Inputs (Rev. E)+10

Specifications Series Pricing Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	CD74HCT21E

Current - Output High, Low [custom]	4 mA
Current - Output High, Low [custom]	4 mA
Input Logic Level - Low	0.8 V
Logic Type	AND Gate
Mounting Type	Through Hole
Number of Circuits	2
Number of Inputs	4
Operating Temperature [Max]	125 °C
Operating Temperature [Min]	-55 °C
Package / Case	14-DIP
Package / Case [x]	0.3 "
Package / Case [y]	7.62 mm
Voltage - Supply [Max]	5.5 V
Voltage - Supply [Min]	4.5 V

CD74HCT21 Series

2-ch 4-input 4.5-V to 5.5-V AND gate with TTL-compatible inputs

Part	Package / Case [x]	Package / Case [y]	Package / Case	Input Logic Level - Low	Number of Circuits	Number of Inputs	Current - Output High, Low [custom]	Current - Output High, Low [custom]	Voltage - Supply [Min]	Voltage - Supply [Max]	Mounting Type	Operating Temperature [Min]	Operating Temperature [Max]	Logic Type
Texas Instruments CD74HCT21M	0.154 in	3.9 mm	14-SOIC	0.8 V	2	4	4 mA	4 mA	4.5 V	5.5 V	Surface Mount	-55 °C	125 °C	AND Gate
Texas Instruments CD74HCT21E	0.3 "	7.62 mm	14-DIP	0.8 V	2	4	4 mA	4 mA	4.5 V	5.5 V	Through Hole	-55 °C	125 °C	AND Gate
Texas Instruments CD74HCT21M96	0.154 in	3.9 mm	14-SOIC	0.8 V	2	4	4 mA	4 mA	4.5 V	5.5 V	Surface Mount	-55 °C	125 °C	AND Gate

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	$ 1.17
		10	$ 0.74
		25	$ 0.62
		100	$ 0.49
		250	$ 0.43
		500	$ 0.39
		1000	$ 0.36
		2500	$ 0.32
		5000	$ 0.30
Texas Instruments	TUBE	1	$ 0.75
		100	$ 0.51
		250	$ 0.39
		1000	$ 0.26

Description

General part information

CD74HCT21 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

CD74HCT21E

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CD74HCT21E

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Technical Specifications

CD74HCT21 Series

Pricing

Description

CD74HCT21 Series

Documents

Semiconductor Packing Material Electrostatic Discharge (ESD) Protection

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

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

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

Signal Switch Data Book (Rev. A)

LOGIC Pocket Data Book (Rev. B)

SN54/74HCT CMOS Logic Family Applications and Restrictions

Logic Guide (Rev. AB)

CMOS Power Consumption and CPD Calculation (Rev. B)

TI IBIS File Creation, Validation, and Distribution Processes

Designing With Logic (Rev. C)

CD74HCT21 Dual 4-Input AND Gates datasheet

CD74HCT21 Series