SN74LS259B 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 (CLR\) and enable (G\) inputs as enumerated in the function table. In the addressable-latch mode, data at the data-in terminal is written into the addressed latch. The addressed latch will follow the data input with all unaddressed latches remaining in their previous states
| SN74LS259B | |
| Voltage Nodes(V) | 5 |
| Vcc range(V) | 4.75 to 5.25 |
| Input Level | TTL |
| Output Level | TTL |
| Output Drive(mA) | -0.4/8 |
| Output | 2S |
| No. of Bits | 8 |
| th(ns) | 0 |
| tpd max(ns) | 30 |
| tsu(ns) | 20 |
| Rating | Catalog |
| Technology Family | LS |
SN74LS259B 特性
- 8-Bit Parallel-Out Storage Register Performs Serial-to-Parallel Conversion with Storage
- Asynchronous Parallel Clear
- Active High Decoder
- Enable/Disable Input Simplified Expansion
- Expandable for N-Bit Applications
- Four District Functional Modes
- Package Options Include Ceramic Chip Carriers and Flat Packages in Addition to Plastic and Ceramic DIPs
- Dependable Texas Instruments Quality and Reliability
SN74LS259B 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 |
| SN74LS259BD | ACTIVE | 0 to 70 | 2.70 | 1ku | SOIC (D) | 16 | 40 | TUBE | LS259B |
| SN74LS259BDE4 | ACTIVE | 0 to 70 | 2.70 | 1ku | SOIC (D) | 16 | 40 | TUBE | LS259B |
| SN74LS259BDG4 | ACTIVE | 0 to 70 | 2.70 | 1ku | SOIC (D) | 16 | 40 | TUBE | LS259B |
| SN74LS259BDR | ACTIVE | 0 to 70 | 2.25 | 1ku | SOIC (D) | 16 | 2500 | LARGE T&R | LS259B |
| SN74LS259BDRE4 | ACTIVE | 0 to 70 | 2.25 | 1ku | SOIC (D) | 16 | 2500 | LARGE T&R | LS259B |
| SN74LS259BDRG4 | ACTIVE | 0 to 70 | 2.25 | 1ku | SOIC (D) | 16 | 2500 | LARGE T&R | LS259B |
| SN74LS259BN | ACTIVE | 0 to 70 | 2.45 | 1ku | PDIP (N) | 16 | 25 | TUBE | SN74LS259BN |
| SN74LS259BNE4 | ACTIVE | 0 to 70 | 2.45 | 1ku | PDIP (N) | 16 | 25 | TUBE | SN74LS259BN |
SN74LS259B 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 |
| SN74LS259BD | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | SN74LS259BD | SN74LS259BD |
| SN74LS259BDE4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | SN74LS259BDE4 | SN74LS259BDE4 |
| SN74LS259BDG4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | SN74LS259BDG4 | SN74LS259BDG4 |
| SN74LS259BDR | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | SN74LS259BDR | SN74LS259BDR |
| SN74LS259BDRE4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | SN74LS259BDRE4 | SN74LS259BDRE4 |
| SN74LS259BDRG4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | SN74LS259BDRG4 | SN74LS259BDRG4 |
| SN74LS259BN | Pb-Free (RoHS) | CU NIPDAU | N/A for Pkg Type | SN74LS259BN | SN74LS259BN |
| SN74LS259BNE4 | Pb-Free (RoHS) | CU NIPDAU | N/A for Pkg Type | SN74LS259BNE4 | SN74LS259BNE4 |
SN74LS259B 应用技术支持与电子电路设计开发资源下载
- SN74LS259B 数据资料 dataSheet 下载.PDF
- TI 德州仪器触发器/锁存器/寄存器产品选型与价格 . xls
- Shelf-Life Evaluation of Lead-Free Component Finishes (PDF 1305 KB)
- Understanding and Interpreting Standard-Logic Data Sheets (PDF 857 KB)
- TI IBIS File Creation, Validation, and Distribution Processes (PDF 380 KB)
- Implications of Slow or Floating CMOS Inputs (PDF 101 KB)
- CMOS Power Consumption and CPD Calculation (PDF 89 KB)
- Designing With Logic (PDF 186 KB)
- Live Insertion (PDF 150 KB)
- Input and Output Characteristics of Digital Integrated Circuits (PDF 1708 KB)
- Using High Speed CMOS and Advanced CMOS in Systems With Multiple Vcc (PDF 43 KB)
- HiRel Unitrode Power Management Brochure (PDF 206 KB)
- LOGIC Pocket Data Book (PDF 6001 KB)
- HiRel Unitrode Power Management Brochure (PDF 206 KB)
- Logic Cross-Reference (PDF 2938 KB)