# QS74FCT521BTSO Quality Semiconductor | Integrated Circuits (ICs) | DigiKey Marketplace

**Manufacturer:** Quality Semiconductor  
**MPN:** `QS74FCT521BTSO`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Quality Semiconductor |
| Manufacturer name | Quality Semiconductor |
| Manufacturer | Quality Semiconductor |
| CategoryL1 | Integrated Circuits (ICs) |
| CategoryL2 | Logic |
| CategoryL3 | Parity Generators and Checkers |
| Extra Product Name | QS74FCT521BTSO Quality Semiconductor \| Integrated Circuits (ICs) \| DigiKey Marketplace |
| atoms | 1 |
| extraShipping | 12.0 |
| moq | 1 |
| MPN | QS74FCT521BTSO |
| multiple | 1 |
| qtyInStock | 0 |
| SKU | 10499463 |
| snippet | Parity Generator 8-Bit |
| Digi-Key Part Number | 2156-QS74FCT521BTSO-ND |
| Manufacturer Product Number | QS74FCT521BTSO |
| Description | IC IDENTITY COMPARATOR 8-BIT |
| Detailed Description | Parity Generator 8-Bit |
| Category | Integrated Circuits (ICs) |
| Mfr | Quality Semiconductor |
| Series | 74FCT |
| Package | Bulk |
| Product Status | Obsolete |
| Logic Type | Identity Comparator |
| Number of Circuits | 8-Bit |
| Voltage - Supply | 4.75 V ~ 5.25 V |
| Operating Temperature | 0?C ~ 70?C |
| Mounting Type | Surface Mount |
| Package / Case | - |
| Supplier Device Package | - |
| Base Product Number | 74FCT521 |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Digi-Key | 10499463 |  |  | None | 1 |

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Structured data: `/python/html6/product/500/149000000/149147000/part_--QS74FCT521BTSO---QualitySemiconductor--f2dae8ff83.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp