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8 bit Logic Comparators

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (IDR) 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 Octal binary or BCD Magnitude Comparator SN74LS682NSR Texas Instruments 1: Rp59.074 797In Stock	Mfr. Part No. SN74LS682NSR Mouser Part No 595-SN74LS682NSR	Texas Instruments	Logic Comparators Octal binary or BCD Magnitude Comparator	Datasheet	797In Stock	Cut Tape Rp59.074 Rp54.488 Rp52.103 Rp49.351 View Reel Rp42.746 Rp46.966 Rp46.599 Rp43.847 Rp42.746 MouseReel Available	Min.: 1 Mult.: 1 : 2.000	Magnitude	8 bit	A = B, A > B	Totem-Pole	SOIC-20	25 ns, 30 ns	4.85 V	5.25 V	70 mA	0 C	+ 70 C	SMD/SMT	Reel, Cut Tape, MouseReel
Logic Comparators 8-Bit Identity Comparator 74FCT521CTSOG8 Renesas Electronics 1: Rp62.193 1.123In Stock	Mfr. Part No. 74FCT521CTSOG8 Mouser Part No 972-74FCT521CTSOG8	Renesas Electronics	Logic Comparators 8-Bit Identity Comparator	Datasheet	1.123In Stock	Cut Tape Rp62.193 Rp46.415 Rp42.379 Rp37.976 View Reel Rp32.472 Rp35.958 Rp35.224 Rp32.472 MouseReel Available	Min.: 1 Mult.: 1 : 1.000	Identity	8 bit	A = B	Active Low	SOIC-20	4.1 ns, 4.5 ns	4.75 V	5.25 V	4.5 mA	- 40 C	+ 85 C	SMD/SMT	Reel, Cut Tape, MouseReel
Logic Comparators Octal Binary/BCD Idy Comparators w/Enabl SN74F521NSR Texas Instruments 1: Rp20.914 1.949In Stock	Mfr. Part No. SN74F521NSR Mouser Part No 595-SN74F521NSR	Texas Instruments	Logic Comparators Octal Binary/BCD Idy Comparators w/Enabl	Datasheet	1.949In Stock	Cut Tape Rp20.914 Rp15.135 Rp13.686 Rp12.090 Reel Rp10.127 View Rp11.338 Rp10.879 Rp10.494 Rp9.907 MouseReel Available	Min.: 1 Mult.: 1 : 2.000	Identity	8 bit	A = B	Active Low	SOIC-20	4.6 ns, 6.1 ns, 6.6 ns	4.5 V	5.5 V	32 mA	0 C	+ 70 C	SMD/SMT	Reel, Cut Tape, MouseReel
Logic Comparators Octal Binary/BCD Idy Comparators w/Enabl SN74ALS520NSR Texas Instruments 1: Rp61.276 1.067In Stock	Mfr. Part No. SN74ALS520NSR Mouser Part No 595-SN74ALS520NSR	Texas Instruments	Logic Comparators Octal Binary/BCD Idy Comparators w/Enabl	Datasheet	1.067In Stock	Cut Tape Rp61.276 Rp55.955 Rp53.387 Rp50.268 View Reel Rp43.297 Rp47.700 Rp47.333 Rp44.581 Rp43.297 MouseReel Available	Min.: 1 Mult.: 1 : 2.000	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	Reel, Cut Tape, MouseReel
Logic Comparators 8-Bit Id Comparators W/open-Collector Ou SN74ALS521N Texas Instruments 1: Rp64.211 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	Rp64.211 Rp41.829 Rp39.260 Rp35.591 View Rp34.490 Rp34.307 Rp33.573	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: Rp89.528 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	Rp89.528 Rp67.513 Rp61.826 Rp55.772 View Rp52.836 Rp52.470 Rp49.351 Rp48.250	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 8-Bit Identity Compa rators ALT 595-SN74 ALT 595-SN74HC688DWR SN74HC688DWRE4 Texas Instruments 1: Rp19.814 1.327In Stock	Mfr. Part No. SN74HC688DWRE4 Mouser Part No 595-SN74HC688DWRE4	Texas Instruments	Logic Comparators 8-Bit Identity Compa rators ALT 595-SN74 ALT 595-SN74HC688DWR	Datasheet	1.327In Stock	Cut Tape Rp19.814 Rp14.347 Rp12.916 Rp11.356 Reel Rp9.411 View Rp10.622 Rp10.164 Rp9.852 Rp9.173 MouseReel Available	Min.: 1 Mult.: 1 : 2.000	Identity	8 bit	A = B	Active Low	SOIC-20	26 ns, 45 ns	2 V	6 V	80 uA	- 40 C	+ 85 C	SMD/SMT	Reel, Cut Tape, MouseReel
Logic Comparators High Speed CMOS 8-Bi t Magnitude ALT 595 ALT 595-CD74HCT688E CD74HCT688EE4 Texas Instruments 1: Rp20.914 597In 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	597In Stock	Rp20.914 Rp15.025 Rp13.503 Rp11.870 View Rp11.099 Rp10.641 Rp8.971 Rp8.935 Rp8.788	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 Octal binary or BCD Magnitude Comparator SN74LS684NSR Texas Instruments 1: Rp218.134 1.059In Stock	Mfr. Part No. SN74LS684NSR Mouser Part No 595-SN74LS684NSR	Texas Instruments	Logic Comparators Octal binary or BCD Magnitude Comparator	Datasheet	1.059In Stock	Cut Tape Rp218.134 Rp170.801 Rp158.876 Rp146.034 View Reel Rp127.872 Rp144.566 Rp136.127 Rp133.009 Rp127.872 Quote MouseReel Available	Min.: 1 Mult.: 1 : 2.000	Magnitude	8 bit	A = B, A > B	Totem-Pole	SOIC-20	25 ns, 30 ns	4.85 V	5.25 V	65 mA	0 C	+ 70 C	SMD/SMT	Reel, Cut Tape, MouseReel
Logic Comparators Octal Binary/BCD Idy Comparators w/Enabl ALT 595-SN74ALS518DW SN74ALS518DWE4 Texas Instruments 1: Rp248.221 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	Rp248.221 Rp194.284 Rp180.892 Rp166.215 View Rp164.564 Rp154.840 Rp151.355 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 8-Bit Identity Comparator 74FCT521ATSOG8 Renesas Electronics 1: Rp62.193 271In Stock	Mfr. Part No. 74FCT521ATSOG8 Mouser Part No 972-74FCT521ATSOG8	Renesas Electronics	Logic Comparators 8-Bit Identity Comparator	Datasheet	271In Stock	Cut Tape Rp62.193 Rp46.415 Rp42.379 Rp37.976 Reel Rp33.206 View Rp35.958 Rp35.224 Rp32.289 Rp31.555 MouseReel Available	Min.: 1 Mult.: 1 : 1.000	Identity	8 bit	A = B	Active Low	SOIC-20	6 ns, 7.2 ns	4.75 V	5.25 V	4.5 mA	- 40 C	+ 85 C	SMD/SMT	Reel, Cut Tape, MouseReel
Logic Comparators High Speed CMOS 8-Bi t Magnitude A 595-C A 595-CD74HC688M CD74HC688M96 Texas Instruments 1: Rp16.144 5.124In Stock	Mfr. Part No. CD74HC688M96 Mouser Part No 595-CD74HC688M96	Texas Instruments	Logic Comparators High Speed CMOS 8-Bi t Magnitude A 595-C A 595-CD74HC688M	Datasheet	5.124In Stock	Cut Tape Rp16.144 Rp13.668 Rp13.631 Rp13.191 Reel Rp9.026 MouseReel Available	Min.: 1 Mult.: 1 : 2.000	Magnitude/Identity	8 bit	A = B	Active Low	SOIC-20	20 ns, 29 ns	2 V	6 V	8 uA	- 55 C	+ 125 C	SMD/SMT	Reel, Cut Tape, MouseReel
Logic Comparators High Speed CMOS 8-Bi t Magnitude CD74HC688NSR Texas Instruments 1: Rp38.527 1.737In Stock	Mfr. Part No. CD74HC688NSR Mouser Part No 595-CD74HC688NSR	Texas Instruments	Logic Comparators High Speed CMOS 8-Bi t Magnitude	Datasheet	1.737In Stock	Cut Tape Rp38.527 Rp28.620 Rp26.051 Rp23.299 Reel Rp19.447 View Rp22.015 Rp21.832 Rp21.465 Rp19.080 MouseReel Available	Min.: 1 Mult.: 1 : 2.000	Magnitude/Identity	8 bit	A = B	Active Low	SOIC-20	20 ns, 29 ns	2 V	6 V	8 uA	- 55 C	+ 125 C	SMD/SMT	Reel, Cut Tape, MouseReel
Logic Comparators 8-Bit Id Comparators W/open-Collector Ou A 595-SN74ALS521DW SN74ALS521DWR Texas Instruments 1: Rp39.627 1.009In Stock	Mfr. Part No. SN74ALS521DWR Mouser Part No 595-SN74ALS521DWR	Texas Instruments	Logic Comparators 8-Bit Id Comparators W/open-Collector Ou A 595-SN74ALS521DW	Datasheet	1.009In Stock	Cut Tape Rp39.627 Rp37.059 Rp33.757 Reel Rp28.069 Rp27.519 MouseReel Available	Min.: 1 Mult.: 1 : 2.000	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	Reel, Cut Tape, MouseReel
Logic Comparators 8-Bit Identity Compa rators A 595-SN74HC A 595-SN74HC688DW SN74HC688DWR Texas Instruments 1: Rp19.080 3.334In Stock	Mfr. Part No. SN74HC688DWR Mouser Part No 595-SN74HC688DWR	Texas Instruments	Logic Comparators 8-Bit Identity Compa rators A 595-SN74HC A 595-SN74HC688DW	Datasheet	3.334In Stock	Cut Tape Rp19.080 Rp13.741 Rp12.420 Rp10.953 Reel Rp9.173 View Rp10.255 Rp9.852 Rp8.935 MouseReel Available	Min.: 1 Mult.: 1 : 2.000	Identity	8 bit	A = B	Active Low	SOIC-20	26 ns, 45 ns	2 V	6 V	80 uA	- 40 C	+ 85 C	SMD/SMT	Reel, Cut Tape, MouseReel
Logic Comparators 8bit Identity A 595- SN74HC688PWT A 595- A 595-SN74HC688PWT SN74HC688PWR Texas Instruments 1: Rp17.612 12.093In Stock	Mfr. Part No. SN74HC688PWR Mouser Part No 595-SN74HC688PWR	Texas Instruments	Logic Comparators 8bit Identity A 595- SN74HC688PWT A 595- A 595-SN74HC688PWT	Datasheet	12.093In Stock	Cut Tape Rp17.612 Rp12.659 Rp11.430 Rp10.072 Reel Rp8.421 View Rp9.411 Rp9.026 Rp9.008 Rp8.201 MouseReel Available	Min.: 1 Mult.: 1 : 2.000	Identity	8 bit	A = B	Active Low	TSSOP-20	26 ns, 45 ns	2 V	6 V	1.1 mA	- 40 C	+ 85 C	SMD/SMT	Reel, Cut Tape, MouseReel
Logic Comparators 8-Bit Magnitude/Id C omparator A 595-SN7 A 595-SN74LS688DW SN74LS688DWR Texas Instruments 1: Rp51.185 1.033In Stock	Mfr. Part No. SN74LS688DWR Mouser Part No 595-SN74LS688DWR	Texas Instruments	Logic Comparators 8-Bit Magnitude/Id C omparator A 595-SN7 A 595-SN74LS688DW	Datasheet	1.033In Stock	Cut Tape Rp51.185 Rp47.149 Rp43.480 Reel Rp32.656 Rp32.106 MouseReel Available	Min.: 1 Mult.: 1 : 2.000	Identity	8 bit	A = B	Totem-Pole	SOIC-20	18 ns, 23 ns	4.85 V	5.25 V	65 mA	0 C	+ 70 C	SMD/SMT	Reel, Cut Tape, MouseReel
Logic Comparators 8bit Identity SN74HC688N Texas Instruments 1: Rp29.721 5.248In Stock	Mfr. Part No. SN74HC688N Mouser Part No 595-SN74HC688N	Texas Instruments	Logic Comparators 8bit Identity	Datasheet	5.248In Stock	Rp29.721 Rp20.364 Rp19.080 Rp17.631 View Rp16.530 Rp15.943 Rp15.741 Rp15.264 Rp14.255	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 74HC688D/SOT163/SO20 74HC688D,653 Nexperia 1: Rp13.026 9.647In Stock 28.000On Order	Mfr. Part No. 74HC688D,653 Mouser Part No 771-74HC688D-T	Nexperia	Logic Comparators 74HC688D/SOT163/SO20	Datasheet	9.647In Stock 28.000On Order On Order Ship Dates Mfr. No: 74HC688D,653 Stock: 9.647 Can Dispatch Immediately On Order: 12.000 Expected 12/10/2026 16.000 Expected 13/10/2026 Factory Lead Time: 22 Weeks	Cut Tape Rp13.026 Rp9.210 Rp8.256 Rp7.210 Reel Rp5.926 View Rp6.715 Rp6.421 Rp6.238 Rp5.761 MouseReel Available	Min.: 1 Mult.: 1 : 2.000	Magnitude	8 bit	A = B	Active Low	SOIC-20	8 ns, 16 ns	2 V	6 V	8 uA	- 40 C	+ 125 C	SMD/SMT	Reel, Cut Tape, MouseReel
Logic Comparators 74HC688PW/SOT360/TSSOP20 74HC688PW,118 Nexperia 1: Rp11.741 13.781In Stock 27.500On Order	Mfr. Part No. 74HC688PW,118 Mouser Part No 771-HC688PW118	Nexperia	Logic Comparators 74HC688PW/SOT360/TSSOP20	Datasheet	13.781In Stock 27.500On Order On Order Ship Dates Mfr. No: 74HC688PW,118 Stock: 13.781 Can Dispatch Immediately On Order: 17.500 Expected 30/11/2026 2.500 Expected 28/12/2026 7.500 Expected 15/02/2027 Factory Lead Time: 20 Weeks	Cut Tape Rp11.741 Rp8.366 Rp7.522 Rp6.568 Reel Rp5.522 View Rp6.293 Rp6.017 Rp5.834 Rp5.375 MouseReel Available	Min.: 1 Mult.: 1 : 2.500	Magnitude	8 bit	A = B	Active Low	TSSOP-20	8 ns, 16 ns	2 V	6 V	8 uA	- 40 C	+ 125 C	SMD/SMT	Reel, Cut Tape, MouseReel
Logic Comparators 8-Bit Identity Comparator 74FCT521ATQG8 Renesas Electronics 1: Rp62.193 3.575In Stock	Mfr. Part No. 74FCT521ATQG8 Mouser Part No 972-74FCT521ATQG8	Renesas Electronics	Logic Comparators 8-Bit Identity Comparator	Datasheet	3.575In Stock	Cut Tape Rp62.193 Rp46.415 Rp42.379 Rp37.976 View Reel Rp28.253 Rp35.958 Rp35.224 Rp33.390 Rp28.253 MouseReel Available	Min.: 1 Mult.: 1 : 3.000	Identity	8 bit	A = B	Active Low	QSOP-20	7.2 ns	4.75 V	5.25 V	4.5 mA	- 40 C	+ 85 C	SMD/SMT	Reel, Cut Tape, MouseReel
Logic Comparators High Speed CMOS 8-Bi t Magnitude CD74HC688E Texas Instruments 1: Rp36.509 472In Stock	Mfr. Part No. CD74HC688E Mouser Part No 595-CD74HC688E	Texas Instruments	Logic Comparators High Speed CMOS 8-Bi t Magnitude	Datasheet	472In Stock	Rp36.509 Rp25.134 Rp23.483 Rp21.832 View Rp20.548 Rp19.814 Rp19.080 Rp18.529 Rp18.199	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 High Speed CMOS 8-Bi t Magnitude A 595-C A 595-CD74HC688PWT CD74HC688PWR Texas Instruments 1: Rp24.400 2.147In Stock	Mfr. Part No. CD74HC688PWR Mouser Part No 595-CD74HC688PWR	Texas Instruments	Logic Comparators High Speed CMOS 8-Bi t Magnitude A 595-C A 595-CD74HC688PWT	Datasheet	2.147In Stock	Cut Tape Rp24.400 Rp17.667 Rp16.016 Rp14.181 Reel Rp11.980 View Rp13.319 Rp12.971 Rp12.806 Rp11.668 MouseReel Available	Min.: 1 Mult.: 1 : 2.000	Magnitude/Identity	8 bit	A = B	Active Low	TSSOP-20	20 ns, 29 ns	2 V	6 V	8 uA	- 55 C	+ 125 C	SMD/SMT	Reel, Cut Tape, MouseReel
Logic Comparators 8-Bit Magnitude CD74HCT688E Texas Instruments 1: Rp19.814 1.118In Stock	Mfr. Part No. CD74HCT688E Mouser Part No 595-CD74HCT688E	Texas Instruments	Logic Comparators 8-Bit Magnitude	Datasheet	1.118In Stock	Rp19.814 Rp13.246 Rp12.347 Rp11.411 View Rp10.641 Rp10.237 Rp9.778 Rp9.430 Rp9.228	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 8-Bi t Magnitude A 595-C A 595-CD74HCT688M CD74HCT688M96 Texas Instruments 1: Rp14.310 3.820In Stock	Mfr. Part No. CD74HCT688M96 Mouser Part No 595-CD74HCT688M96	Texas Instruments	Logic Comparators High Speed CMOS 8-Bi t Magnitude A 595-C A 595-CD74HCT688M	Datasheet	3.820In Stock	Cut Tape Rp14.310 Rp10.164 Rp9.136 Rp8.017 Reel Rp6.660 View Rp7.485 Rp7.155 Rp7.082 Rp6.476 MouseReel Available	Min.: 1 Mult.: 1 : 2.000	Magnitude/Identity	8 bit	A = B	Active Low	SOIC-20	9 ns, 14 ns	4.5 V	5.5 V	8 uA	- 55 C	+ 125 C	SMD/SMT	Reel, Cut Tape, MouseReel

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