Logic Comparators
Logic comparators compare two multi-bit binary words and indicate equality or magnitude relationship (greater-than, less-than). Used in address decoding, sorting networks, and priority systems. Available from TI, Nexperia, and onsemi.
Product Series & Base Models
Navigate by model series to compare ordering variants and technical specifications within the Logic Comparators family.
Browse Logic Comparators Products
| PART NUMBER | MANUFACTURER | DESCRIPTION | STOCK | QTY / ACTION |
|---|---|---|---|---|
| SN74HC688DWRG4 | Texas Instruments | IC COMPARATOR IDENTITY 8B 20SOIC | 13,020 | |
| SN74HC684NG4 | Texas Instruments | IC COMPARATOR MAGNITUDE 8B 20DIP | 2,722 | |
| SN74HC684DWR | Texas Instruments | IC COMPARATOR MAGNITUDE 20SOIC | 4,770 | |
| SN74HC682DW | Texas Instruments | IC COMPARATOR MAGNITUDE 20SOIC | 9,749 | |
| SN74F521NSR | Texas Instruments | IC COMPARATOR IDENTITY 8B 20SO | 5,625 | |
| SN74F521DWR | Texas Instruments | IC COMPARATOR IDENTITY 8B 20SOIC | 14,712 | |
| SN74F521DW | Texas Instruments | IC COMPARATOR IDENTITY 8B 20SOIC | 24,337 | |
| SN74AS885DWR | Texas Instruments | IC COMPARATOR MAGNITUDE 24SOIC | 5,703 | |
| SN74AS885NTG4 | Texas Instruments | IC COMPARATOR MAGNITUDE 8B 24DIP | 53 | |
| SN74ALS679NSRG4 | Texas Instruments | IC COMPARATOR ADDRESS 12B 20SO | 1,801 |
Top Logic Comparators Manufacturers
onsemi
onsemi Logic Comparators products are available for part-number review, stock checks, and RFQ support.
28,226 productsRenesas
Renesas Logic Comparators products are available for part-number review, stock checks, and RFQ support.
74,605 productsNXP Semiconductors
NXP Semiconductors Logic Comparators products are available for part-number review, stock checks, and RFQ support.
20,288 products
Microchip Technology
Microchip Technology Logic Comparators products are available for part-number review, stock checks, and RFQ support.
67,462 products
Texas Instruments
Texas Instruments Logic Comparators products are available for part-number review, stock checks, and RFQ support.
84,045 products
STMicroelectronics
STMicroelectronics Logic Comparators products are available for part-number review, stock checks, and RFQ support.
19,050 productsAbout Logic Comparators
Logic Comparator ICs (often called Digital Magnitude Comparators) are specialized digital circuits designed to compare two binary words of equal width (typically 4-bit, 8-bit, or expandable configurations) and output digital signals indicating whether Word A is greater than, less than, or equal to Word B. These deterministic hardware comparators are vital for address decoding, data sorting, pattern matching, digital lock arrays, and priority routing circuits.
Digital comparators offer sub-nanosecond execution times far superior to software-based polling. Selection depends on the bit width per IC, cascade input options (to allow expansion to 16-bit or 32-bit comparison), logic technology family (HC, LVC, etc.), propagation delay, and operating voltage.
On Octatronics, find high-quality logic comparators from leading manufacturers including Texas Instruments, Nexperia, and onsemi. Filter by bit width, speed, package type, and easily submit bulk RFQs online.
Frequently Asked Questions
Octatronics can help source a wide range of Logic Comparators from major manufacturers worldwide, including active production parts, long-lead-time items, and hard-to-find components.
Yes. You can submit a single part number or upload a BOM with multiple parts. Our team will check stock, date code, lead time, and pricing for each item.
Availability depends on the specific part number and supplier source. For important orders, buyers can request packaging photos, labels, date code information, and traceability documents.
Yes. Octatronics supports sourcing for active, end-of-life, obsolete, and hard-to-find components through our global supplier network.
Please provide the part number, manufacturer, quantity, required date code, target price, delivery country, and whether original packaging or COC is required.