SN74ALS21ADR vs SN74ALS21AD vs SN74ALS21ADRE4


PartNumber	SN74ALS21ADR	SN74ALS21AD	SN74ALS21ADRE4
Description	Logic Gates Dual 4-Input	Logic Gates Dual 4 Input	Logic Gates Dual 4-Input Positive-AND Gates
Manufacturer	Texas Instruments	Texas Instruments	Texas Instruments
Product Category	Logic Gates	Logic Gates	Logic Gates
RoHS	Y	Y	Y
Product	Single-Function Gate	Single-Function Gate	Single-Function Gate
Logic Function	AND	AND	AND
Logic Family	ALS	ALS	ALS
Number of Gates	2 Gate	2 Gate	2 Gate
Number of Input Lines	4 Input	4 Input	4 Input
Number of Output Lines	1 Output	1 Output	1 Output
High Level Output Current	- 2 mA	- 2 mA	- 2 mA
Low Level Output Current	20 mA	20 mA	20 mA
Propagation Delay Time	15 ns	15 ns	15 ns
Supply Voltage Max	5.5 V	5.5 V	5.5 V
Supply Voltage Min	4.5 V	4.5 V	4.5 V
Minimum Operating Temperature	0 C	0 C	0 C
Maximum Operating Temperature	+ 70 C	+ 70 C	+ 70 C
Mounting Style	SMD/SMT	SMD/SMT	SMD/SMT
Package / Case	SOIC-14	SOIC-14	SOIC-14
Packaging	Reel	Tube	Reel
Function	These devices contain two independent 4-input positive-AND gates	AND	AND
Height	1.58 mm	1.58 mm	1.58 mm
Input Type	TTL	TTL	TTL
Length	8.65 mm	8.65 mm	8.65 mm
Operating Temperature Range	0 C to + 70 C	0 C to + 70 C	0 C to + 70 C
Output Type	TTL	TTL	TTL
Series	SN74ALS21A	SN74ALS21A	SN74ALS21A
Width	3.91 mm	3.91 mm	3.91 mm
Brand	Texas Instruments	Texas Instruments	Texas Instruments
Logic Type	4-Input AND	4-Input AND	4-Input AND
Number of Bits	2 bit	2 bit	2 bit
Operating Supply Current	1.4 uA	1.4 uA	1.4 uA
Operating Supply Voltage	5 V	5 V	5 V
Product Type	Logic Gates	Logic Gates	Logic Gates
Factory Pack Quantity	2500	50	2500
Subcategory	Logic ICs	Logic ICs	Logic ICs
Unit Weight	0.004564 oz	0.004564 oz	0.004564 oz