HD74LS21Manufacturer: HITACHI Ouadruple 2-input Positive NAND Gates | |||
| Partnumber | Manufacturer | Quantity | Availability |
|---|---|---|---|
| HD74LS21 | HITACHI | 2000 | In Stock |
Description and Introduction
Ouadruple 2-input Positive NAND Gates The HD74LS21 is a dual 4-input AND gate integrated circuit manufactured by HITACHI. Below are its key specifications:  
- **Logic Family**: LS-TTL (Low-Power Schottky TTL)   This information is based on HITACHI's datasheet for the HD74LS21. |
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Application Scenarios & Design Considerations
Ouadruple 2-input Positive NAND Gates # Technical Documentation: HD74LS21 Dual 4-Input AND Gate
## 1. Application Scenarios ### 1.1 Typical Use Cases  Primary functions include:  ### 1.2 Industry Applications  Digital Systems Design:   Embedded Systems:  ### 1.3 Practical Advantages and Limitations  Advantages:   Limitations:  ## 2. Design Considerations ### 2.1 Common Design Pitfalls and Solutions  Unused Input Management:   Power Supply Decoupling:   Simultaneous Switching:   Thermal Management:  ### 2.2 Compatibility Issues with Other Components  Interfacing Considerations:  | Interface Type | Considerations | Recommended Solution | |
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| Partnumber | Manufacturer | Quantity | Availability |
| HD74LS21 | HIT | 25 | In Stock |
Description and Introduction
Ouadruple 2-input Positive NAND Gates The HD74LS21 is a dual 4-input AND gate integrated circuit manufactured by Hitachi (HIT). Here are its key specifications:
1. **Logic Type**: Dual 4-input AND gate   These specifications are based on Hitachi's datasheet for the HD74LS21. |
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Application Scenarios & Design Considerations
Ouadruple 2-input Positive NAND Gates # Technical Documentation: HD74LS21 Dual 4-Input AND Gate
## 1. Application Scenarios ### 1.1 Typical Use Cases  Primary applications include:  ### 1.2 Industry Applications  Industrial Control:   Telecommunications:   Automotive Electronics:  ### 1.3 Practical Advantages and Limitations  Advantages:   Limitations:  ## 2. Design Considerations ### 2.1 Common Design Pitfalls and Solutions  Unused Input Management:   Simultaneous Switching Noise:   Timing Violations:   Thermal Management:  ### 2.2 Compatibility Issues with Other Components  Interfacing with Different Logic Families:  |
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