SN74LV244AT 具有三态输出的八路缓冲器/驱动器

SN74LV244AT 描述

This octal buffer/driver is designed specifically to improve both the performance and density of 3-state memory-address drivers, clock drivers, and bus-oriented receivers and transmitters.

The SN74LV244AT is organized as two 4-bit buffers/line drivers with separate output-enable (OE) inputs. When OE is low, the device passes data from the A inputs to the Y outputs. When OE is high, the outputs are in the high-impedance state.

To ensure the high-impedance state during power up or power down, OE shall be tied to VCC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.

This device is fully specified for partial-power-down applications using Ioff. The Ioff circuitry disables the outputs, preventing damaging current backflow through the device when it is powered down

SN74LV244AT
Voltage Nodes(V) 5  
Vcc range(V) 4.5 to 5.5  
Logic True  
Input Level TTL  
Output Level CMOS  
Output Drive(mA) -13/16  
No. of Outputs 8  
tpd max(ns) 8.9  
Static Current 0.02  
Rating Catalog  
Technology Family LV-AT 
SN74LV244AT 特性
SN74LV244AT 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
SN74LV244ATDW ACTIVE -40 to 85 0.28 | 1ku SOIC (DW) | 20 25 | TUBE LV244AT
SN74LV244ATDWE4 ACTIVE -40 to 85 0.28 | 1ku SOIC (DW) | 20 25 | TUBE LV244AT
SN74LV244ATDWG4 ACTIVE -40 to 85 0.28 | 1ku SOIC (DW) | 20 25 | TUBE LV244AT
SN74LV244AT 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
SN74LV244ATDW Green (RoHS & no Sb/Br)  CU NIPDAU  Level-1-260C-UNLIM SN74LV244ATDW SN74LV244ATDW
SN74LV244ATDWE4 Green (RoHS & no Sb/Br)  CU NIPDAU  Level-1-260C-UNLIM SN74LV244ATDWE4 SN74LV244ATDWE4
SN74LV244ATDWG4 Green (RoHS & no Sb/Br)  CU NIPDAU  Level-1-260C-UNLIM SN74LV244ATDWG4 SN74LV244ATDWG4
SN74LV244AT 应用技术支持与电子电路设计开发资源下载
  1. SN74LV244AT 数据资料 dataSheet 下载.PDF
  2. TI 德州仪器缓冲器、驱动器/收发器产品选型与价格 . xls
  3. CMOS 非缓冲反向器在振荡器电路中的使用 (PDF 951 KB)
  4. Semiconductor Packing Methodology (PDF 3005 KB)
  5. 逻辑产品选择指南 2006/2007 (修订版 Z)(4462KB)
  6. 标准线性和逻辑产品 5 分钟指南 (786KB)
  7. 了解和解释标准逻辑数据表
  8. LOGIC Pocket Data Book (PDF 6001 KB)
  9. HiRel Unitrode Power Management Brochure (PDF 206 KB)
  10. Logic Cross-Reference (PDF 2938 KB)