SN74ALS992 具有三态输出的 9 位 D 类透明读回锁存器

This 9-bit latch is designed specifically for storing the contents of the input data bus and providing the capability of reading back the stored data onto the input data bus. In addition, this device provides a 3-state buffer-type output and is easily implemented in parity applications.

The nine latches are transparent D-type latches. While the latch-enable (LE) input is high, the Q outputs follow the data (D) inputs. The Q outputs are in the 3-state condition when the output-enable () input is high.

Read back is provided through the output-enable () input. When is taken low, the data present at the output of the data latches is allowed to pass back onto the input data bus. When is taken high, the output of the data latches is isolated from the D inputs

SN74ALS992
Voltage Nodes(V) 5
Technology Family ABT  
Rating Catalog
SN74ALS992 特性
SN74ALS992 芯片订购指南
器件 状态 温度 价格(美元) 封装 | 引脚 封装数量 | 封装载体 丝印标记
SN74ALS992DW ACTIVE 0 to 70 12.00 | 1ku SOIC (DW) | 24 25 | TUBE  
SN74ALS992DWE4 ACTIVE 0 to 70 12.00 | 1ku SOIC (DW) | 24 25 | TUBE  
SN74ALS992DWG4 ACTIVE 0 to 70 12.00 | 1ku SOIC (DW) | 24 25 | TUBE  
SN74ALS992DWR ACTIVE 0 to 70 10.00 | 1ku SOIC (DW) | 24 2000 | LARGE T&R  
SN74ALS992DWRE4 ACTIVE 0 to 70 10.00 | 1ku SOIC (DW) | 24 2000 | LARGE T&R  
SN74ALS992DWRG4 ACTIVE 0 to 70 10.00 | 1ku SOIC (DW) | 24 2000 | LARGE T&R  
SN74ALS992NT ACTIVE 0 to 70 11.35 | 1ku PDIP (NT) | 24 15 | TUBE  
SN74ALS992NTE4 ACTIVE 0 to 70 11.35 | 1ku PDIP (NT) | 24 15 | TUBE  
SN74ALS992 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
SN74ALS992DW Green (RoHS & no Sb/Br)  CU NIPDAU  Level-1-260C-UNLIM SN74ALS992DW SN74ALS992DW
SN74ALS992DWE4 Green (RoHS & no Sb/Br)  CU NIPDAU  Level-1-260C-UNLIM SN74ALS992DWE4 SN74ALS992DWE4
SN74ALS992DWG4 Green (RoHS & no Sb/Br)  CU NIPDAU  Level-1-260C-UNLIM SN74ALS992DWG4 SN74ALS992DWG4
SN74ALS992DWR Green (RoHS & no Sb/Br)  CU NIPDAU  Level-1-260C-UNLIM SN74ALS992DWR SN74ALS992DWR
SN74ALS992DWRE4 Green (RoHS & no Sb/Br)  CU NIPDAU  Level-1-260C-UNLIM SN74ALS992DWRE4 SN74ALS992DWRE4
SN74ALS992DWRG4 Green (RoHS & no Sb/Br)  CU NIPDAU  Level-1-260C-UNLIM SN74ALS992DWRG4 SN74ALS992DWRG4
SN74ALS992NT Pb-Free (RoHS)  CU NIPDAU  Level-1-260C-UNLIM SN74ALS992NT SN74ALS992NT
SN74ALS992NTE4 Pb-Free (RoHS)  CU NIPDAU  Level-1-260C-UNLIM SN74ALS992NTE4 SN74ALS992NTE4
SN74ALS992 应用技术支持与电子电路设计开发资源下载
  1. SN74ALS992 数据资料 dataSheet 下载.PDF
  2. TI 德州仪器触发器/锁存器/寄存器产品选型与价格 . xls
  3. Shelf-Life Evaluation of Lead-Free Component Finishes (PDF 1305 KB)
  4. Understanding and Interpreting Standard-Logic Data Sheets (PDF 857 KB)
  5. TI IBIS File Creation, Validation, and Distribution Processes (PDF 380 KB)
  6. Implications of Slow or Floating CMOS Inputs (PDF 101 KB)
  7. CMOS Power Consumption and CPD Calculation (PDF 89 KB)
  8. Designing With Logic (PDF 186 KB)
  9. Live Insertion (PDF 150 KB)
  10. Input and Output Characteristics of Digital Integrated Circuits (PDF 1708 KB)
  11. Using High Speed CMOS and Advanced CMOS in Systems With Multiple Vcc (PDF 43 KB)
  12. HiRel Unitrode Power Management Brochure (PDF 206 KB)
  13. LOGIC Pocket Data Book (PDF 6001 KB)
  14. HiRel Unitrode Power Management Brochure (PDF 206 KB)
  15. Logic Cross-Reference (PDF 2938 KB)