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Tube Logic Comparators

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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.	Comparator Type	Number of Bits	Logic Function	Output Type	Package/Case	Propagation Delay Time	Supply Voltage - Min	Supply Voltage - Max	Supply Current - Max	Minimum Operating Temperature	Maximum Operating Temperature	Mounting Style	Packaging
Logic Comparators High Speed CMOS 8-Bi t Magnitude ALT 595 ALT 595-CD74HCT688E CD74HCT688EE4 Texas Instruments 1: $1.14 599In Stock	Mfr. Part No. CD74HCT688EE4 Mouser Part No 595-CD74HCT688EE4	Texas Instruments	Logic Comparators High Speed CMOS 8-Bi t Magnitude ALT 595 ALT 595-CD74HCT688E	Datasheet	599In Stock	$1.14 $0.819 $0.736 $0.647 View $0.605 $0.58 $0.489 $0.487 $0.479	Min.: 1 Mult.: 1	Magnitude/Identity	8 bit	A = B	Active Low	PDIP-20	9 ns, 14 ns	4.5 V	5.5 V	8 uA	- 55 C	+ 125 C	Through Hole	Tube
Logic Comparators 8-Bit Id Comparators W/open-Collector Ou SN74ALS521N Texas Instruments 1: $3.50 540In Stock	Mfr. Part No. SN74ALS521N Mouser Part No 595-SN74ALS521N	Texas Instruments	Logic Comparators 8-Bit Id Comparators W/open-Collector Ou	Datasheet	540In Stock	$3.50 $2.28 $2.14 $1.94 View $1.88 $1.87 $1.83	Min.: 1 Mult.: 1	Identity	8 bit	A = B	Totem-Pole	PDIP-20	12 ns, 20 ns, 22 ns	4.5 V	5.5 V	19 mA	0 C	+ 70 C	Through Hole	Tube
Logic Comparators 8-Bit Magnitude/Id C omparator ALT 595-S ALT 595-SN74LS688N SN74LS688NE4 Texas Instruments 1: $4.88 314In Stock	Mfr. Part No. SN74LS688NE4 Mouser Part No 595-SN74LS688NE4	Texas Instruments	Logic Comparators 8-Bit Magnitude/Id C omparator ALT 595-S ALT 595-SN74LS688N	Datasheet	314In Stock	$4.88 $3.68 $3.37 $3.04 $2.25	Min.: 1 Mult.: 1	Identity	8 bit	A = B	Totem-Pole	PDIP-20	18 ns, 23 ns	4.85 V	5.25 V	65 mA	0 C	+ 70 C	Through Hole	Tube
Logic Comparators Octal Binary/BCD Idy Comparators w/Enabl ALT 595-SN74ALS518DW SN74ALS518DWE4 Texas Instruments 1: $13.53 22In Stock	Mfr. Part No. SN74ALS518DWE4 Mouser Part No 595-SN74ALS518DWE4	Texas Instruments	Logic Comparators Octal Binary/BCD Idy Comparators w/Enabl ALT 595-SN74ALS518DW	Datasheet	22In Stock	$13.53 $10.59 $9.86 $9.06 View $8.97 $8.44 $8.25 Quote	Min.: 1 Mult.: 1	Identity	8 bit	A = B	Open Collector	SOIC-20	15 ns, 33 ns	4.5 V	5.5 V	17 mA	0 C	+ 70 C	SMD/SMT	Tube
Logic Comparators 4-Bit Magnitude ALT 595-CD4585BE ALT 595 ALT 595-CD4585BE CD4585BEE4 Texas Instruments 1: $1.46 838In Stock	Mfr. Part No. CD4585BEE4 Mouser Part No 595-CD4585BEE4	Texas Instruments	Logic Comparators 4-Bit Magnitude ALT 595-CD4585BE ALT 595 ALT 595-CD4585BE	Datasheet	838In Stock	$1.46 $1.09 $0.919 $0.842 View $0.789 $0.757 $0.592	Min.: 1 Mult.: 1	Magnitude	4 bit	A < B, A = B, A > B	Active High	PDIP-16	60 ns, 80 ns	3 V	18 V	100 uA	- 55 C	+ 125 C	Through Hole	Tube
Logic Comparators High Speed CMOS 4-Bi t Magnitude ALT 595 ALT 595-CD74HC85E CD74HC85EE4 Texas Instruments 1: $1.37 729In Stock	Mfr. Part No. CD74HC85EE4 Mouser Part No 595-CD74HC85EE4	Texas Instruments	Logic Comparators High Speed CMOS 4-Bi t Magnitude ALT 595 ALT 595-CD74HC85E	Datasheet	729In Stock	$1.37 $1.02 $0.864 $0.792 View $0.742 $0.678 $0.565	Min.: 1 Mult.: 1	Magnitude	4 bit	A < B, A = B, A > B	Active High	PDIP-16	20 ns, 24 ns, 30 ns, 33 ns	2 V	6 V	8 uA	- 55 C	+ 125 C	Through Hole	Tube
Logic Comparators High Speed CMOS 4-Bi t Magnitude A 595-C A 595-CD74HCT85MT CD74HCT85M Texas Instruments 1: $1.82 1,887In Stock	Mfr. Part No. CD74HCT85M Mouser Part No 595-CD74HCT85M	Texas Instruments	Logic Comparators High Speed CMOS 4-Bi t Magnitude A 595-C A 595-CD74HCT85MT	Datasheet	1,887In Stock	$1.82 $1.34 $1.21 $1.07 View $1.01 $0.973 $0.968 $0.88 $0.861	Min.: 1 Mult.: 1	Magnitude	4 bit	A < B, A = B, A > B	Active High	SOIC-Narrow-16	12 ns, 13 ns, 15 ns, 17 ns	4.5 V	5.5 V	8 uA	- 55 C	+ 125 C	SMD/SMT	Tube
Logic Comparators 4-Bit HS Magnitude A 595-CD74HCT85E A 59 A 595-CD74HCT85E CD74HC85E Texas Instruments 1: $1.42 2,047In Stock	Mfr. Part No. CD74HC85E Mouser Part No 595-CD74HC85E	Texas Instruments	Logic Comparators 4-Bit HS Magnitude A 595-CD74HCT85E A 59 A 595-CD74HCT85E	Datasheet	2,047In Stock	$1.42 $1.04 $0.94 $0.833 View $0.786 $0.756 $0.731 $0.704 $0.688	Min.: 1 Mult.: 1	Magnitude	4 bit	A < B, A = B, A > B	Active High	PDIP-16	20 ns, 24 ns, 30 ns, 33 ns	2 V	6 V	8 uA	- 55 C	+ 125 C	Through Hole	Tube
Logic Comparators 8bit Identity SN74HC688N Texas Instruments 1: $1.62 5,567In Stock	Mfr. Part No. SN74HC688N Mouser Part No 595-SN74HC688N	Texas Instruments	Logic Comparators 8bit Identity	Datasheet	5,567In Stock	$1.62 $1.11 $1.04 $0.961 View $0.901 $0.869 $0.858 $0.832 $0.777	Min.: 1 Mult.: 1	Identity	8 bit	A = B	Active Low	PDIP-20	26 ns, 45 ns	2 V	6 V	1.1 mA	- 40 C	+ 85 C	Through Hole	Tube
Logic Comparators 4B Mag Comparators CD4585BPW Texas Instruments 1: $1.03 1,080In Stock	Mfr. Part No. CD4585BPW Mouser Part No 595-CD4585BPW	Texas Instruments	Logic Comparators 4B Mag Comparators	Datasheet	1,080In Stock	$1.03 $0.757 $0.653 $0.619 View $0.576 $0.555 $0.536 $0.517 $0.506	Min.: 1 Mult.: 1	Magnitude	4 bit	A < B, A = B, A > B	Active High	TSSOP-16	60 ns, 80 ns	3 V	18 V	100 uA	- 55 C	+ 125 C	SMD/SMT	Tube
Logic Comparators 4B Mag Comparators A LT 595-CD4585BPW AL ALT 595-CD4585BPW CD4585BPWG4 Texas Instruments 1: $1.11 1,256In Stock	Mfr. Part No. CD4585BPWG4 Mouser Part No 595-CD4585BPWG4	Texas Instruments	Logic Comparators 4B Mag Comparators A LT 595-CD4585BPW AL ALT 595-CD4585BPW	Datasheet	1,256In Stock	$1.11 $0.802 $0.722 $0.635 View $0.594 $0.568 $0.55 $0.526 $0.513	Min.: 1 Mult.: 1	Magnitude	4 bit	A < B, A = B, A > B	Active High	TSSOP-16	60 ns, 80 ns	3 V	18 V	100 uA	- 55 C	+ 125 C	SMD/SMT	Tube
Logic Comparators High Speed CMOS 8-Bi t Magnitude CD74HC688E Texas Instruments 1: $1.99 471In Stock	Mfr. Part No. CD74HC688E Mouser Part No 595-CD74HC688E	Texas Instruments	Logic Comparators High Speed CMOS 8-Bi t Magnitude	Datasheet	471In Stock	$1.99 $1.37 $1.28 $1.19 View $1.12 $1.08 $1.04 $1.01 $0.992	Min.: 1 Mult.: 1	Magnitude/Identity	8 bit	A = B	Active Low	PDIP-20	20 ns, 29 ns	2 V	6 V	8 uA	- 55 C	+ 125 C	Through Hole	Tube
Logic Comparators 8-Bit Magnitude CD74HCT688E Texas Instruments 1: $1.08 1,126In Stock	Mfr. Part No. CD74HCT688E Mouser Part No 595-CD74HCT688E	Texas Instruments	Logic Comparators 8-Bit Magnitude	Datasheet	1,126In Stock	$1.08 $0.722 $0.673 $0.622 View $0.58 $0.558 $0.533 $0.514 $0.503	Min.: 1 Mult.: 1	Magnitude/Identity	8 bit	A = B	Active Low	PDIP-20	9 ns, 14 ns	4.5 V	5.5 V	8 uA	- 55 C	+ 125 C	Through Hole	Tube
Logic Comparators High Speed CMOS 4-Bi t Magnitude A 595-C A 595-CD74HC85E CD74HCT85E Texas Instruments 1: $2.21 1,029In Stock	Mfr. Part No. CD74HCT85E Mouser Part No 595-CD74HCT85E	Texas Instruments	Logic Comparators High Speed CMOS 4-Bi t Magnitude A 595-C A 595-CD74HC85E	Datasheet	1,029In Stock	$2.21 $1.64 $1.44 $1.30 View $1.23 $1.19 $1.16 $1.13 $1.11	Min.: 1 Mult.: 1	Magnitude	4 bit	A < B, A = B, A > B	Active High	PDIP-16	12 ns, 13 ns, 15 ns, 17 ns	4.5 V	5.5 V	8 uA	- 55 C	+ 125 C	Through Hole	Tube
Logic Comparators Octal binary/BCD SN74ALS520DW Texas Instruments 1: $3.98 145In Stock	Mfr. Part No. SN74ALS520DW Mouser Part No 595-SN74ALS520DW	Texas Instruments	Logic Comparators Octal binary/BCD	Datasheet	145In Stock	$3.98 $2.96 $2.47 $2.26 View $2.16 $2.12 $2.03 $1.98 $1.95	Min.: 1 Mult.: 1	Identity	8 bit	A = B	Totem-Pole	SOIC-20	12 ns, 20 ns, 22 ns	4.5 V	5.5 V	19 mA	0 C	+ 70 C	SMD/SMT	Tube
Logic Comparators 8-Bit Identity SN74ALS520N Texas Instruments 1: $4.69 35In Stock	Mfr. Part No. SN74ALS520N Mouser Part No 595-SN74ALS520N	Texas Instruments	Logic Comparators 8-Bit Identity	Datasheet	35In Stock	$4.69 $3.34 $3.16 $2.97 View $2.77 $2.73 $2.62 $2.56	Min.: 1 Mult.: 1	Identity	8 bit	A = B	Totem-Pole	PDIP-20	12 ns, 20 ns, 22 ns	4.5 V	5.5 V	19 mA	0 C	+ 70 C	Through Hole	Tube
Logic Comparators 8bit Magnitude SN74HC682N Texas Instruments 1: $5.65 88In Stock	Mfr. Part No. SN74HC682N Mouser Part No 595-SN74HC682N	Texas Instruments	Logic Comparators 8bit Magnitude	Datasheet	88In Stock	$5.65 $4.07 $3.85 $3.62 View $3.44 $3.34 $3.26 $3.17	Min.: 1 Mult.: 1	Magnitude	8 bit	A = B, A > B	Active Low	PDIP-20	22 ns	2 V	6 V	1.1 mA	- 40 C	+ 85 C	Through Hole	Tube
Logic Comparators Octal binary or BCD Magnitude Comparator SN74LS682N Texas Instruments 1: $4.28 60In Stock 480Expected 02/10/2026	Mfr. Part No. SN74LS682N Mouser Part No 595-SN74LS682N	Texas Instruments	Logic Comparators Octal binary or BCD Magnitude Comparator	Datasheet	60In Stock 480Expected 02/10/2026	$4.28 $3.04 $2.85 $2.69 View $2.55 $2.47 $2.38 $2.33 $2.32	Min.: 1 Mult.: 1	Magnitude	8 bit	A = B, A > B	Totem-Pole	PDIP-20	25 ns, 30 ns	4.85 V	5.25 V	70 mA	0 C	+ 70 C	Through Hole	Tube
Logic Comparators 8-Bit Magnitude SN74LS688N Texas Instruments 1: $4.62 410In Stock	Mfr. Part No. SN74LS688N Mouser Part No 595-SN74LS688N	Texas Instruments	Logic Comparators 8-Bit Magnitude	Datasheet	410In Stock	$4.62 $3.30 $3.11 $2.92 View $2.77 $2.69 $2.62 $2.54	Min.: 1 Mult.: 1	Identity	8 bit	A = B	Totem-Pole	PDIP-20	18 ns, 23 ns	4.85 V	5.25 V	65 mA	0 C	+ 70 C	Through Hole	Tube
Logic Comparators 4-bit binary or BCD Magnitude Comparator SN74LS85N Texas Instruments 1: $2.25 536In Stock	Mfr. Part No. SN74LS85N Mouser Part No 595-SN74LS85N	Texas Instruments	Logic Comparators 4-bit binary or BCD Magnitude Comparator	Datasheet	536In Stock	$2.25 $1.67 $1.52 $1.36 View $1.28 $1.23 $1.18 $1.16 $1.13	Min.: 1 Mult.: 1	Magnitude	4 bit	A < B, A = B, A > B	Active High	PDIP-16	24 ns, 27 ns	4.75 V	5.25 V	20 mA	0 C	+ 70 C	Through Hole	Tube
Logic Comparators 4-Bit Magnitude CD4063BE Texas Instruments 1: $1.13 1,712In Stock	Mfr. Part No. CD4063BE Mouser Part No 595-CD4063BE	Texas Instruments	Logic Comparators 4-Bit Magnitude	Datasheet	1,712In Stock	$1.13 $0.803 $0.722 $0.635 View $0.594 $0.568 $0.532 $0.519	Min.: 1 Mult.: 1	Magnitude	4 bit	A < B, A = B, A > B	Active High	PDIP-16	140 ns, 175 ns	3 V	18 V	100 uA	- 55 C	+ 125 C	Through Hole	Tube
Logic Comparators 4-Bit Magnitude CD4585BE Texas Instruments 1: $1.43 25In Stock 1,000Expected 04/12/2026	Mfr. Part No. CD4585BE Mouser Part No 595-CD4585BE	Texas Instruments	Logic Comparators 4-Bit Magnitude	Datasheet	25In Stock 1,000Expected 04/12/2026	$1.43 $1.04 $0.935 $0.827 View $0.776 $0.745 $0.706 $0.68	Min.: 1 Mult.: 1	Magnitude	4 bit	A < B, A = B, A > B	Active High	PDIP-16	60 ns, 80 ns	3 V	18 V	100 uA	- 55 C	+ 125 C	Through Hole	Tube
Logic Comparators Octal Binary/BCD Idy Comparators w/Enabl SN74ALS518DW Texas Instruments 1: $13.54 78In Stock	Mfr. Part No. SN74ALS518DW Mouser Part No 595-SN74ALS518DW	Texas Instruments	Logic Comparators Octal Binary/BCD Idy Comparators w/Enabl	Datasheet	78In Stock	$13.54 $10.62 $9.86 $8.54 View $8.53 $8.52 $8.48 Quote	Min.: 1 Mult.: 1	Identity	8 bit	A = B	Open Collector	SOIC-20	15 ns, 33 ns	4.5 V	5.5 V	17 mA	0 C	+ 70 C	SMD/SMT	Tube
Logic Comparators Octal Binary/BCD Idy Comparators w/Enabl SN74ALS518N Texas Instruments 1: $17.19 14In Stock	Mfr. Part No. SN74ALS518N Mouser Part No 595-SN74ALS518N	Texas Instruments	Logic Comparators Octal Binary/BCD Idy Comparators w/Enabl	Datasheet	14In Stock	$17.19 $12.69 $12.04 $11.22	Min.: 1 Mult.: 1	Identity	8 bit	A = B	Open Collector	PDIP-20	15 ns, 33 ns	4.5 V	5.5 V	17 mA	0 C	+ 70 C	Through Hole	Tube
Logic Comparators 8bit Identity SN74ALS688N Texas Instruments 1: $10.51 54In Stock	Mfr. Part No. SN74ALS688N Mouser Part No 595-SN74ALS688N	Texas Instruments	Logic Comparators 8bit Identity	Datasheet	54In Stock	$10.51 $7.73 $7.32 $6.78 View $6.48 $6.32 $6.17 Quote	Min.: 1 Mult.: 1	Identity	8 bit	A = B	Totem-Pole	PDIP-20	20 ns	4.5 V	5.5 V	19 mA	0 C	+ 70 C	Through Hole	Tube