SN74ALS259 八路可寻址锁存器

These 8-bit addressable latches are designed for general-purpose storage applications in digital systems. Specific uses include working registers, serial-holding registers, and active-high decoders or demultiplexers. They are multifunctional devices capable of storing single-line data in eight addressable latches and being a 1-of-8 decoder or demultiplexer with active-high outputs.

Four distinct modes of operation are selectable by controlling the clear () and enable (G\) inputs as shown in the function table. In the addressable-latch mode, data at the data-in terminal is written into the addressed latch. The addressed latch follows the data input with all unaddressed latches remaining in their previous states

SN74ALS259
Voltage Nodes(V) 5  
Vcc range(V) 4.5 to 5.5  
Input Level TTL  
Output Level TTL  
Output Drive(mA) -0.4/8  
Output 2S  
No. of Bits 8  
th(ns) 0  
tpd max(ns) 19  
tsu(ns) 15  
Rating Catalog  
Technology Family ALS
SN74ALS259 特性
SN74ALS259 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
SN74ALS259D ACTIVE 0 to 70 2.70 | 1ku SOIC (D) | 16 40 | TUBE ALS259
SN74ALS259DE4 ACTIVE 0 to 70 2.70 | 1ku SOIC (D) | 16 40 | TUBE ALS259
SN74ALS259DG4 ACTIVE 0 to 70 2.70 | 1ku SOIC (D) | 16 40 | TUBE ALS259
SN74ALS259DR ACTIVE 0 to 70 2.25 | 1ku SOIC (D) | 16 2500 | LARGE T&R ALS259
SN74ALS259DRE4 ACTIVE 0 to 70 2.25 | 1ku SOIC (D) | 16 2500 | LARGE T&R ALS259
SN74ALS259DRG4 ACTIVE 0 to 70 2.25 | 1ku SOIC (D) | 16 2500 | LARGE T&R ALS259
SN74ALS259N ACTIVE 0 to 70 2.45 | 1ku PDIP (N) | 16 25 | TUBE SN74ALS259N
SN74ALS259NE4 ACTIVE 0 to 70 2.45 | 1ku PDIP (N) | 16 25 | TUBE SN74ALS259N
SN74ALS259 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
SN74ALS259D Green (RoHS & no Sb/Br)  CU NIPDAU  Level-1-260C-UNLIM SN74ALS259D SN74ALS259D
SN74ALS259DE4 Green (RoHS & no Sb/Br)  CU NIPDAU  Level-1-260C-UNLIM SN74ALS259DE4 SN74ALS259DE4
SN74ALS259DG4 Green (RoHS & no Sb/Br)  CU NIPDAU  Level-1-260C-UNLIM SN74ALS259DG4 SN74ALS259DG4
SN74ALS259DR Green (RoHS & no Sb/Br)  CU NIPDAU  Level-1-260C-UNLIM SN74ALS259DR SN74ALS259DR
SN74ALS259DRE4 Green (RoHS & no Sb/Br)  CU NIPDAU  Level-1-260C-UNLIM SN74ALS259DRE4 SN74ALS259DRE4
SN74ALS259DRG4 Green (RoHS & no Sb/Br)  CU NIPDAU  Level-1-260C-UNLIM SN74ALS259DRG4 SN74ALS259DRG4
SN74ALS259N Pb-Free (RoHS)  CU NIPDAU  N/A for Pkg Type SN74ALS259N SN74ALS259N
SN74ALS259NE4 Pb-Free (RoHS)  CU NIPDAU  N/A for Pkg Type SN74ALS259NE4 SN74ALS259NE4
SN74ALS259 应用技术支持与电子电路设计开发资源下载
  1. SN74ALS259 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)