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| PartNumber | 74ACT521MTC | 74ACT521 | 74ACT521MTCX |
| Description | Logic Comparators 8-Bit Identity Comp | IC COMPARATOR IDENTITY 20TSSOP | |
| Manufacturer | ON Semiconductor | FAIRCHI | - |
| Product Category | Logic Comparators | Logic - Comparators | - |
| RoHS | Y | - | - |
| Comparator Type | Identity | - | - |
| Number of Bits | 8 bit | 8 | - |
| Logic Function | A = B | - | - |
| Output Type | Active Low | - | - |
| Supply Voltage Max | 5.5 V | - | - |
| Supply Voltage Min | 4.5 V | - | - |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Propagation Delay Time | 10 ns | - | - |
| Mounting Style | SMD/SMT | - | - |
| Package / Case | TSSOP-20 | 20-TSSOP (0.173", 4.40mm Width) | - |
| Packaging | Tube | Tube | - |
| Product | Digital Comparators | - | - |
| Brand | ON Semiconductor / Fairchild | - | - |
| Input Voltage Range | - 0.5 V to + 0.5 V | - | - |
| Ib Input Bias Current | 0.004 mA | - | - |
| Operating Supply Voltage | 5 V | - | - |
| Polarity | Inverting | - | - |
| Product Type | Logic Comparators | - | - |
| Factory Pack Quantity | 73 | - | - |
| Subcategory | Logic ICs | - | - |
| Unit Weight | 0.006737 oz | - | - |
| Series | - | 74ACT | - |
| Part Status | - | Obsolete | - |
| Type | - | Identity Comparator | - |
| Output | - | Active Low | - |
| Output Function | - | A=B | - |
| Voltage Supply | - | 4.5 V ~ 5.5 V | - |
| Current Output High, Low | - | 24mA, 24mA | - |
| Max Propagation Delay @ V, Max CL | - | 10ns @ 5V, 50pF | - |
| Current Quiescent (Iq) | - | 4A | - |
| Operating Temperature | - | -40°C ~ 85°C | - |
| Mounting Type | - | Surface Mount | - |
| Base Part Number | - | 74ACT521 | - |