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SN74HC21/SN74HC21-Q1 Dual 4-Input AND Gates

Texas Instruments SN74HC21/SN74HC21-Q1 Dual 4-Input AND Gates contains two independent 4-input AND gates. Each gate performs the Boolean function Y = A ● B ● C ● D in positive logic. These devices have a wide operating voltage range of 2V to 6V. The Texas Instruments SN74HC21-Q1 devices are AEC-Q100 qualified for automotive applications.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.	Logic Function	Number of Gates	Logic Family	Number of Input Lines	Package / Case	Number of Output Lines	Low Level Output Current	High Level Output Current	Propagation Delay Time	Supply Voltage - Min	Supply Voltage - Max	Minimum Operating Temperature	Maximum Operating Temperature	Mounting Style	Qualification	Packaging
Logic Gates 2-Ch 4-Input 2V to 6 V 5.2mA Drive Str SN74HC21DR1G4 Texas Instruments 1: $0.936 2,432In Stock New Product	Mfr. Part # SN74HC21DR1G4 Mouser Part # 595-SN74HC21DR1G4 New Product	Texas Instruments	Logic Gates 2-Ch 4-Input 2V to 6 V 5.2mA Drive Str Learn More about Texas Instruments ti sn74hc21 dual 4 input and gates	Datasheet	2,432In Stock	Cut Tape $0.936 $0.658 $0.59 $0.516 View Reel $0.395 $0.48 $0.467 $0.395 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	AND	2 Gate	HC	8 Input	SOIC-14	2 Output				2 V	6 V	- 40 C	+ 85 C	SMD/SMT		Reel, Cut Tape, MouseReel
Logic Gates Dual 4-input Positiv e-AND Gates ALT 595 ALT 595-SN74HC21N SN74HC21NE4 Texas Instruments 1: $1.33 913In Stock	Mfr. Part # SN74HC21NE4 Mouser Part # 595-SN74HC21NE4	Texas Instruments	Logic Gates Dual 4-input Positiv e-AND Gates ALT 595 ALT 595-SN74HC21N Learn More about Texas Instruments ti sn74hc21 dual 4 input and gates	Datasheet	913In Stock	$1.33 $0.954 $0.81 $0.754 View $0.705 $0.675 $0.523	Min.: 1 Mult.: 1	AND	2 Gate	HC	8 Input	PDIP-14	2 Output	5.2 mA	- 5.2 mA	11 ns	2 V	6 V	- 40 C	+ 85 C	Through Hole		Tube
Logic Gates Dual 4 Input POS AND Gates ALT 595-SN74H ALT 595-SN74HC21PWR SN74HC21PWRG4 Texas Instruments 1: $0.858 3,604In Stock New Product	Mfr. Part # SN74HC21PWRG4 Mouser Part # 595-SN74HC21PWRG4 New Product	Texas Instruments	Logic Gates Dual 4 Input POS AND Gates ALT 595-SN74H ALT 595-SN74HC21PWR Learn More about Texas Instruments ti sn74hc21 dual 4 input and gates	Datasheet	3,604In Stock	Cut Tape $0.858 $0.601 $0.54 $0.471 View Reel $0.346 $0.438 $0.419 $0.408 $0.346	Min.: 1 Mult.: 1 : 2,000	AND	2 Gate	HC	4 Input	TSSOP-14	1 Output	5.2 mA	- 5.2 mA	28 ns	2 V	6 V	- 40 C	+ 85 C	SMD/SMT		Reel, Cut Tape
Logic Gates Dual 4-input Positiv e-AND Gates A 595-S A 595-SN74HC21D SN74HC21DR Texas Instruments 1: $0.741 15,415In Stock	Mfr. Part # SN74HC21DR Mouser Part # 595-SN74HC21DR	Texas Instruments	Logic Gates Dual 4-input Positiv e-AND Gates A 595-S A 595-SN74HC21D Learn More about Texas Instruments ti sn74hc21 dual 4 input and gates	Datasheet	15,415In Stock	Cut Tape $0.741 $0.51 $0.455 $0.40 Reel $0.322 View $0.372 $0.354 $0.342 $0.313 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	AND	2 Gate	HC	8 Input	SOIC-14	2 Output	5.2 mA	- 5.2 mA	11 ns	2 V	6 V	- 40 C	+ 85 C	SMD/SMT		Reel, Cut Tape, MouseReel
Logic Gates Auto Cat Dual 4 Inp Positive AND Gates A A 595-SN74HC21QPWRG4Q1 SN74HC21QPWRQ1 Texas Instruments 1: $0.78 9,759In Stock	Mfr. Part # SN74HC21QPWRQ1 Mouser Part # 595-SN74HC21QPWRQ1	Texas Instruments	Logic Gates Auto Cat Dual 4 Inp Positive AND Gates A A 595-SN74HC21QPWRG4Q1 Learn More about Texas Instruments ti sn74hc21 dual 4 input and gates	Datasheet	9,759In Stock	Cut Tape $0.78 $0.554 $0.497 $0.434 Reel $0.356 View $0.403 $0.385 $0.377 $0.347 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	AND	2 Gate	HC	8 Input	TSSOP-14	2 Output	5.2 mA	- 5.2 mA	11 ns	2 V	6 V	- 40 C	+ 125 C	SMD/SMT	AEC-Q100	Reel, Cut Tape, MouseReel
Logic Gates Dual 4-Input Pos SN74HC21N Texas Instruments 1: $1.30 23In Stock 1,000Expected 10/2/2026	Mfr. Part # SN74HC21N Mouser Part # 595-SN74HC21N	Texas Instruments	Logic Gates Dual 4-Input Pos Learn More about Texas Instruments ti sn74hc21 dual 4 input and gates	Datasheet	23In Stock 1,000Expected 10/2/2026	$1.30 $0.931 $0.837 $0.737 View $0.688 $0.659 $0.64 $0.615 $0.602	Min.: 1 Mult.: 1	AND	2 Gate	HC	8 Input	PDIP-14	2 Output	5.2 mA	- 5.2 mA	11 ns	2 V	6 V	- 40 C	+ 85 C	Through Hole		Tube
Logic Gates Dual 4-Input Pos SN74HC21NSR Texas Instruments 1: $0.858 519In Stock	Mfr. Part # SN74HC21NSR Mouser Part # 595-SN74HC21NSR	Texas Instruments	Logic Gates Dual 4-Input Pos Learn More about Texas Instruments ti sn74hc21 dual 4 input and gates	Datasheet	519In Stock	Cut Tape $0.858 $0.612 $0.55 $0.481 Reel $0.394 View $0.447 $0.428 $0.42 $0.384 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	AND	2 Gate	HC	8 Input	SOIC-14	2 Output	5.2 mA	- 5.2 mA	11 ns	2 V	6 V	- 40 C	+ 85 C	SMD/SMT		Reel, Cut Tape, MouseReel
Logic Gates Auto Cat Dual 4 Inp Positive AND Gates SN74HC21QDRQ1 Texas Instruments 1: $0.871 3,316In Stock	Mfr. Part # SN74HC21QDRQ1 Mouser Part # 595-SN74HC21QDRQ1	Texas Instruments	Logic Gates Auto Cat Dual 4 Inp Positive AND Gates Learn More about Texas Instruments ti sn74hc21 dual 4 input and gates	Datasheet	3,316In Stock	Cut Tape $0.871 $0.615 $0.553 $0.484 Reel $0.407 View $0.45 $0.443 $0.43 $0.385 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	AND	2 Gate	HC	8 Input	SOIC-14	2 Output	5.2 mA	- 5.2 mA	11 ns	2 V	6 V	- 40 C	+ 125 C	SMD/SMT	AEC-Q100	Reel, Cut Tape, MouseReel
Logic Gates Dual 4-Inp Pos-AND G ates A 595-SN74HC21 A 595-SN74HC21QPWRQ1 SN74HC21QPWRG4Q1 Texas Instruments 1: $1.05 444In Stock	Mfr. Part # SN74HC21QPWRG4Q1 Mouser Part # 595-SN74HC21QPWRG4Q1	Texas Instruments	Logic Gates Dual 4-Inp Pos-AND G ates A 595-SN74HC21 A 595-SN74HC21QPWRQ1 Learn More about Texas Instruments ti sn74hc21 dual 4 input and gates	Datasheet	444In Stock	Cut Tape $1.05 $0.738 $0.663 $0.579 Reel $0.46 View $0.54 $0.515 $0.506 $0.449 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	AND	2 Gate	HC	8 Input	TSSOP-14	2 Output	5.2 mA	- 5.2 mA	11 ns	2 V	6 V	- 40 C	+ 125 C	SMD/SMT	AEC-Q100	Reel, Cut Tape, MouseReel
Logic Gates Dual 4-input Positiv e-AND Gates A 595-S A 595-SN74HC21PW SN74HC21PWR Texas Instruments 1: $0.611 12,434On Order	Mfr. Part # SN74HC21PWR Mouser Part # 595-SN74HC21PWR	Texas Instruments	Logic Gates Dual 4-input Positiv e-AND Gates A 595-S A 595-SN74HC21PW Learn More about Texas Instruments ti sn74hc21 dual 4 input and gates	Datasheet	12,434On Order On Order Ship Dates Mfr. #: SN74HC21PWR Stock: 0 On Order: 2,434 Expected 11/9/2026 10,000 Expected 1/11/2027 Factory Lead-Time: 9 Weeks	Cut Tape $0.611 $0.428 $0.382 $0.332 Reel $0.276 View $0.308 $0.294 $0.287 $0.273 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	AND	2 Gate	HC	8 Input	TSSOP-14	2 Output	5.2 mA	- 5.2 mA	11 ns	2 V	6 V	- 40 C	+ 85 C	SMD/SMT		Reel, Cut Tape, MouseReel

SN74HC21/SN74HC21-Q1 Dual 4-Input AND Gates

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