.hide-partial { max-height: none; } .show-more { display: none; }

Logic Comparators

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Results: 91

Applied Filters:

Manufacturer

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

Qualification

Packaging

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) 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 4-bit binary or BCD Magnitude Comparator SN74LS85NSR Texas Instruments 1: £1.33 1,349In Stock	Mfr. Part No. SN74LS85NSR Mouser Part No 595-SN74LS85NSR	Texas Instruments	Logic Comparators 4-bit binary or BCD Magnitude Comparator	Datasheet	1,349In Stock	Cut Tape £1.33 £1.14 £1.07 £0.952 Reel £0.818 View £0.899 £0.871 £0.834 £0.808 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	Magnitude	4 bit	A < B, A = B, A > B	Active High	SOIC-16	24 ns, 27 ns	4.75 V	5.25 V	20 mA	0 C	+ 70 C	SMD/SMT	Reel, Cut Tape, MouseReel
Logic Comparators Octal binary or BCD Magnitude Comparator SN74LS682NSR Texas Instruments 1: £2.42 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 £2.42 £2.23 £2.13 £2.02 View Reel £1.75 £1.92 £1.90 £1.80 £1.75 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 Octal Binary/BCD Idy Comparators w/Enabl SN74ALS520NSR Texas Instruments 1: £2.51 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 £2.51 £2.29 £2.18 £2.06 View Reel £1.77 £1.96 £1.94 £1.82 £1.77 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 Comparator 74FCT521CTSOG8 Renesas Electronics 1: £2.55 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 £2.55 £1.90 £1.74 £1.55 View Reel £1.33 £1.48 £1.44 £1.33 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 4-Bit Magnitude CD4063BNSR Texas Instruments 1: £0.533 3,191In Stock	Mfr. Part No. CD4063BNSR Mouser Part No 595-CD4063BNSR	Texas Instruments	Logic Comparators 4-Bit Magnitude	Datasheet	3,191In Stock	Cut Tape £0.533 £0.376 £0.339 £0.296 View Reel £0.236 £0.276 £0.264 £0.254 £0.236 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	Magnitude	4 bit	A < B, A = B, A > B	Active High	SOIC-16	140 ns, 175 ns	3 V	18 V	100 uA	- 55 C	+ 125 C	SMD/SMT	Reel, Cut Tape, MouseReel
Logic Comparators 8-Bit Id Comparators W/open-Collector Ou SN74ALS521N Texas Instruments 1: £2.63 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	£2.63 £1.71 £1.61 £1.46 View £1.41 £1.37	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: £3.67 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	£3.67 £2.76 £2.53 £2.28 View £2.17 £2.15 £2.02 £1.97	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 SN74F521NSR Texas Instruments 1: £0.856 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 £0.856 £0.62 £0.56 £0.495 Reel £0.415 View £0.464 £0.445 £0.43 £0.405 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 High Speed CMOS 8-Bi t Magnitude ALT 595 ALT 595-CD74HCT688E CD74HCT688EE4 Texas Instruments 1: £0.856 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	£0.856 £0.615 £0.553 £0.485 View £0.454 £0.436 £0.368 £0.366 £0.36	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 Identity Compa rators ALT 595-SN74 ALT 595-SN74HC688DWR SN74HC688DWRE4 Texas Instruments 1: £0.811 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 £0.811 £0.588 £0.528 £0.464 Reel £0.385 View £0.435 £0.416 £0.403 £0.375 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 Octal binary or BCD Magnitude Comparator SN74LS684NSR Texas Instruments 1: £8.93 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 £8.93 £6.99 £6.50 £5.98 View Reel £5.23 £5.92 £5.57 £5.45 £5.23 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 4-Bit Magnitude ALT 595-CD4585BE ALT 595 ALT 595-CD4585BE CD4585BEE4 Texas Instruments 1: £1.10 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	£1.10 £0.818 £0.69 £0.632 View £0.593 £0.568 £0.473	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: £1.03 751In 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	751In Stock	£1.03 £0.766 £0.649 £0.595 View £0.557 £0.509 £0.491	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 8-Bi t Magnitude A 595-C A 595-CD74HC688M CD74HC688M96 Texas Instruments 1: £0.661 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 £0.661 £0.56 £0.558 £0.54 Reel £0.369 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: £1.58 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 £1.58 £1.17 £1.07 £0.952 Reel £0.796 View £0.899 £0.89 £0.882 £0.78 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 4-Bi t Magnitude A 595-C A 595-CD74HCT85MT CD74HCT85M Texas Instruments 1: £1.37 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	£1.37 £1.00 £0.908 £0.803 View £0.759 £0.731 £0.726 £0.68	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 8-Bit Id Comparators W/open-Collector Ou A 595-SN74ALS521DW SN74ALS521DWR Texas Instruments 1: £1.62 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 £1.62 £1.52 £1.38 Reel £1.15 £1.13 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: £0.78 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 £0.78 £0.562 £0.508 £0.448 Reel £0.375 View £0.42 £0.403 £0.366 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: £0.721 11,993In 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	11,993In Stock	Cut Tape £0.721 £0.518 £0.468 £0.412 Reel £0.345 View £0.385 £0.369 £0.368 £0.335 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 4-bit binary or BCD Magnitude Comparator A 595-SN74LS85D SN74LS85DR Texas Instruments 1: £1.27 1,651In Stock	Mfr. Part No. SN74LS85DR Mouser Part No 595-SN74LS85DR	Texas Instruments	Logic Comparators 4-bit binary or BCD Magnitude Comparator A 595-SN74LS85D	Datasheet	1,651In Stock	Cut Tape £1.27 £0.934 £0.849 £0.759 View Reel £0.653 £0.709 £0.699 £0.698 £0.653 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Magnitude	4 bit	A < B, A = B, A > B	Active High	SOIC-Narrow-16	24 ns, 27 ns	4.75 V	5.25 V	20 mA	0 C	+ 70 C	SMD/SMT	Reel, Cut Tape, MouseReel
Logic Comparators Rad-hard very high speed comparator - Engineering model RHR801K1 STMicroelectronics 1: £332.13 5In Stock	Mfr. Part No. RHR801K1 Mouser Part No 511-RHR801K1	STMicroelectronics	Logic Comparators Rad-hard very high speed comparator - Engineering model	Datasheet	5In Stock	£332.13 £288.51 £272.17	Min.: 1 Mult.: 1				CMOS/TTL	Flat-8		3 V	5 V		- 55 C	+ 125 C	SMD/SMT	Cut Tape
Logic Comparators 8bit Identity SN74HC688N Texas Instruments 1: £1.21 5,248In Stock	Mfr. Part No. SN74HC688N Mouser Part No 595-SN74HC688N	Texas Instruments	Logic Comparators 8bit Identity	Datasheet	5,248In Stock	£1.21 £0.834 £0.78 £0.721 View £0.677 £0.652 £0.644 £0.625 £0.583	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: £0.533 11,647In Stock 26,000On Order	Mfr. Part No. 74HC688D,653 Mouser Part No 771-74HC688D-T	Nexperia	Logic Comparators 74HC688D/SOT163/SO20	Datasheet	11,647In Stock 26,000On Order On Order Ship Dates Mfr. No: 74HC688D,653 Stock: 11,647 Can Dispatch Immediately On Order: 12,000 Expected 12/10/2026 14,000 Expected 13/10/2026 Factory Lead Time: 22 Weeks	Cut Tape £0.533 £0.377 £0.338 £0.295 Reel £0.243 View £0.275 £0.263 £0.255 £0.236 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 74HC85D/SOT109/SO16 74HC85D,653 Nexperia 1: £0.338 7,454In Stock	Mfr. Part No. 74HC85D,653 Mouser Part No 771-74HC85D-T	Nexperia	Logic Comparators 74HC85D/SOT109/SO16	Datasheet	7,454In Stock	Cut Tape £0.338 £0.236 £0.212 £0.184 Reel £0.155 View £0.172 £0.164 £0.156 £0.15 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Magnitude	4 bit	A < B, A = B, A > B	Active High	SOIC-16	195 ns, 39 ns, 33 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: £0.48 15,281In Stock 25,000On Order	Mfr. Part No. 74HC688PW,118 Mouser Part No 771-HC688PW118	Nexperia	Logic Comparators 74HC688PW/SOT360/TSSOP20	Datasheet	15,281In Stock 25,000On Order On Order Ship Dates Mfr. No: 74HC688PW,118 Stock: 15,281 Can Dispatch Immediately On Order: 15,000 Expected 30/11/2026 2,500 Expected 28/12/2026 7,500 Expected 18/10/2027 Factory Lead Time: 20 Weeks	Cut Tape £0.48 £0.342 £0.308 £0.269 Reel £0.226 View £0.258 £0.246 £0.238 £0.22 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