Overview
Description
The IDT74FCT521T is an 8-bit identity comparator that compares two words of up to eight bits each and provides a low output when the two words match bit for bit. The expansion input IA = B also serves as an active low enable input. The 74FCT521T operates at -40C to +85C
Features
- A and C speeds
- Low input and output leakage ?1 uA (max.)
- CMOS power levels
- True TTL input and output compatibility
- VOH = 3.3V (typ.)
- VOL = 0.3V (typ.)
- High Drive outputs (-15mA IOH, 48mA IOL)
- Meets or exceeds JEDEC standard 18 specifications
- Power off disable outputs permit "live insertion"
- Available in 20 pin SOIC and QSOP packages
Documentation
| Document title | Document type
|
Date Date | |
|---|---|---|---|
| PDF 55 KB | Datasheet | ||
| PDF 130 KB | Application Note | ||
| PDF 143 KB | Application Note | ||
| PDF 80 KB | Application Note | ||
| PDF 130 KB | End Of Life Notice | ||
| PDF 41 KB | End Of Life Notice | ||
| PDF 14 KB | End Of Life Notice | ||
| PDF 73 KB | End Of Life Notice | ||
| PDF 39 KB | Product Change Notice | ||
| PDF 611 KB | Product Change Notice | ||
| PDF 611 KB | Product Change Notice | ||
| PDF 24 KB | Product Change Notice | ||
| PDF 55 KB | Product Change Notice | ||
| PDF 18 KB | Product Change Notice | ||
| PDF 38 KB | Product Change Notice | ||
| PDF 16 KB | Product Change Notice | ||
| PDF 47 KB | Product Change Notice | ||
| PDF 35 KB | Product Change Notice | ||
| PDF 42 KB | Product Change Notice | ||
| PDF 80 KB | Product Change Notice | ||
| PDF 21 KB | Product Change Notice | ||
| PDF 44 KB | Product Change Notice | ||
| PDF 101 KB | Product Change Notice | ||
| PDF 196 KB | Product Change Notice | ||
| PDF 109 KB | Product Change Notice | ||
| PDF 116 KB | Product Change Notice | ||
| PDF 26 KB | Product Change Notice | ||
| PDF 98 KB | Product Change Notice | ||
| PDF 40 KB | Product Change Notice | ||
| PDF 16 KB | Product Change Notice | ||
| PDF 274 KB | Product Change Notice | ||
| PDF 24 KB | Product Change Notice | ||
| PDF 44 KB | Product Change Notice | ||
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Design & Development
Software & Tools
Models
ECAD Models
Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on products in the Product Options table. If a symbol or model isn't available, it can be requested directly from the website.
Product Options
Processing table
Pkg. Type |
Lead Count (#) |
Temp. Grade |
Pb (Lead) Free |
Carrier Type |
Buy / Sample |
|
|---|---|---|---|---|---|---|
| Part Number | ||||||
| QSOP | 20 | C | Yes | Tube | Get Samples, | |
| QSOP | 20 | C | Yes | Reel | ||
| SOIC | 20 | C | Yes | Tube | Get Samples, | |
| SOIC | 20 | C | Yes | Reel | ||
| QSOP | 20 | C | Yes | Tube | Get Samples, | |
| QSOP | 20 | C | Yes | Reel | ||
| SOIC | 20 | C | Yes | Tube | Get Samples, | |
| SOIC | 20 | C | Yes | Reel |
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