SN74HC21 双路 4 输入正与门

These devices contain two independent 4-input AND gates. They perform the Boolean function Y = A • B • C • D or Y = (A\ + B\ + C\ + D\)\ in positive logic.

SN74HC21
Rating Catalog  
Technology Family HC
SN74HC21 特性
SN74HC21 芯片订购指南
器件 状态 温度 价格 封装 | 引脚 封装数量 | 封装载体 丝印标记
SN74HC21D ACTIVE -40 to 85 0.24 | 1ku SOIC (D) | 14 50 | TUBE  
SN74HC21DE4 ACTIVE -40 to 85 0.24 | 1ku SOIC (D) | 14 50 | TUBE  
SN74HC21DG4 ACTIVE -40 to 85 0.24 | 1ku SOIC (D) | 14 50 | TUBE  
SN74HC21DR ACTIVE -40 to 85 0.20 | 1ku SOIC (D) | 14 2500 | LARGE T&R  
SN74HC21DRE4 ACTIVE -40 to 85 0.20 | 1ku SOIC (D) | 14 2500 | LARGE T&R  
SN74HC21DRG4 ACTIVE -40 to 85 0.20 | 1ku SOIC (D) | 14 2500 | LARGE T&R  
SN74HC21N ACTIVE -40 to 85 0.22 | 1ku PDIP (N) | 14 25 | TUBE  
SN74HC21NE4 ACTIVE -40 to 85 0.22 | 1ku PDIP (N) | 14 25 | TUBE  
SN74HC21 质量与无铅数据
器件 环保计划* 铅/焊球涂层 MSL 等级/回流焊峰 环保信息与无铅 (Pb-free) DPPM / MTBF / FIT 率
SN74HC21D Green (RoHS & no Sb/Br)  CU NIPDAU  Level-1-260C-UNLIM SN74HC21D SN74HC21D
SN74HC21DE4 Green (RoHS & no Sb/Br)  CU NIPDAU  Level-1-260C-UNLIM SN74HC21DE4 SN74HC21DE4
SN74HC21DG4 Green (RoHS & no Sb/Br)  CU NIPDAU  Level-1-260C-UNLIM SN74HC21DG4 SN74HC21DG4
SN74HC21DR Green (RoHS & no Sb/Br)  CU NIPDAU  Level-1-260C-UNLIM SN74HC21DR SN74HC21DR
SN74HC21DRE4 Green (RoHS & no Sb/Br)  CU NIPDAU  Level-1-260C-UNLIM SN74HC21DRE4 SN74HC21DRE4
SN74HC21DRG4 Green (RoHS & no Sb/Br)  CU NIPDAU  Level-1-260C-UNLIM SN74HC21DRG4 SN74HC21DRG4
SN74HC21N Pb-Free (RoHS)  CU NIPDAU  N/A for Pkg Type SN74HC21N SN74HC21N
SN74HC21NE4 Pb-Free (RoHS)  CU NIPDAU  N/A for Pkg Type SN74HC21NE4 SN74HC21NE4
SN74HC21 应用技术支持与电子电路设计开发资源下载
  1. SN74HC21 数据资料 dataSheet 下载.PDF
  2. TI 德州仪器门电路产品选型与价格 . xls
  3. Logic Guide 2009 (PDF 4263 KB)
  4. Shelf-Life Evaluation of Lead-Free Component Finishes (PDF 1305 KB)
  5. Understanding and Interpreting Standard-Logic Data Sheets (PDF 857 KB)
  6. TI IBIS File Creation, Validation, and Distribution Processes (PDF 380 KB)
  7. Implications of Slow or Floating CMOS Inputs (PDF 101 KB)
  8. CMOS Power Consumption and CPD Calculation (PDF 89 KB)
  9. Designing With Logic (PDF 186 KB)
  10. Live Insertion (PDF 150 KB)
  11. Input and Output Characteristics of Digital Integrated Circuits (PDF 1708 KB)
  12. Using High Speed CMOS and Advanced CMOS in Systems With Multiple Vcc (PDF 43 KB)
  13. HiRel Unitrode Power Management Brochure (PDF 206 KB)
  14. LOGIC Pocket Data Book (PDF 6001 KB)
  15. HiRel Unitrode Power Management Brochure (PDF 206 KB)
  16. Logic Cross-Reference (PDF 2938 KB)