Fairchild Semiconductor 74AC520
The AC/ACT520 are expandable 8-bit comparators. They compare two words of up to eight bits each and provide a LOW output when the two words match bit for bit.| Part No. | 74AC520 |
|---|---|
| Datasheet | 74AC520 Download |
| Manufacturer |  Fairchild Semiconductor |
| Description | 8-Bit Identity Comparator |
| Buy | Stock & Price |
FEATURES
● Compares two 8-bit words in 6.5ns typ.● Expandable to any word length
● 20-pin package
● Outputs source/sink 24mA
● ACT520 has TTL-compatible inputs tm
GENERAL DESCRIPTION
The AC/ACT520 are expandable 8-bit comparators. The expansion input IA = B also serves as an active LOW enable input. Ordering Information Order Number 74AC520SC 74ACT520SC 74ACT520SJ 74ACT520PC Package Number M20B M20B M20D N20A PackageDESCRIPTION
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300” Wide Body 20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300” Wide Body 20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide 20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300” Wide Device also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering number. Connection Diagram Pin Descriptions Pin Names A0–A7 B0–B7 TA = B OA = BDESCRIPTION
Word A Inputs Word B Inputs Expansion or Enable Input Identity Output Truth Table Inputs IA = B L L H H H = HIGH Voltage Level L = LOW Voltage Level Note: 1.
