- 制造厂商:TI
- 产品类别:逻辑和电压转换
- 技术类目:缓冲器、驱动器和收发器 - 同相缓冲器和驱动器
- 功能描述:具有三态输出的 8 通道、4.5V 至 5.5V 双极缓冲器
- 点击这里打开及下载SN74F244的技术文档资料
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These octal buffers and line drivers are designed specifically to improve both the performance and density of 3-state memory address drivers, clock drivers, and bus-oriented receivers and transmitters. Taken together with the ´F240 and ´F241, these devices provide the choice of selected combinations of inverting and noninverting outputs, symmetrical (active-low output-enable) inputs, and complementary OE and inputs.
The ´F244 is organized as two 4-bit buffers/line drivers with separate output enable () inputs. When is low, the device passes data from the A inputs to the Y outputs. When is high, the outputs are in the high-impedance state.
The SN74F244 is available in TI's shrink small-outline package (DB), which provides the same I/O pin count and functionality of standard small-outline packages in less than half the printed-circuit-board area.
The SN54F244 is characterized for operation over the full military temperature range of -55°C to 125°C. The SN74F244 is characterized for operation from 0°C to 70°C.
- 3-State Outputs Drive Bus Lines or Buffer Memory Address Registers
- Package Options Include Plastic Small-Outline (SOIC) and Shrink Small-Outline (SSOP) Packages, Ceramic Chip Carriers, and Plastic and Ceramic DIPs
- Technology Family
- F
- Supply voltage (Min) (V)
- 4.5
- Supply voltage (Max) (V)
- 5.5
- Number of channels (#)
- 8
- IOL (Max) (mA)
- 64
- ICC (Max) (uA)
- 90000
- IOH (Max) (mA)
- -15
- Input type
- Bipolar
- Output type
- 3-State
- Features
- Very high speed (tpd 5-10ns), Over-voltage tolerant inputs
- Rating
- Catalog
SN74F244的完整型号有:SN74F244DB、SN74F244DBR、SN74F244DW、SN74F244DWR、SN74F244N、SN74F244NSR,以下是这些产品的关键参数及官网采购报价:
SN74F244DB,工作温度:PropertyValue,封装:SSOP (DB)-20,包装数量MPQ:70个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:NIPDAU,TI官网SN74F244DB的批量USD价格:.437(1000+)
SN74F244DBR,工作温度:0 to 70,封装:SSOP (DB)-20,包装数量MPQ:2000个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:NIPDAU,TI官网SN74F244DBR的批量USD价格:.382(1000+)
SN74F244DW,工作温度:0 to 70,封装:SOIC (DW)-20,包装数量MPQ:25个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:NIPDAU,TI官网SN74F244DW的批量USD价格:.328(1000+)
SN74F244DWR,工作温度:0 to 70,封装:SOIC (DW)-20,包装数量MPQ:2000个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:NIPDAU,TI官网SN74F244DWR的批量USD价格:.273(1000+)
SN74F244N,工作温度:0 to 70,封装:PDIP (N)-20,包装数量MPQ:20个,MSL 等级/回流焊峰值温度:N/A for Pkg Type,引脚镀层/焊球材料:NIPDAU,TI官网SN74F244N的批量USD价格:.314(1000+)
SN74F244NSR,工作温度:0 to 70,封装:SO (NS)-20,包装数量MPQ:2000个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:NIPDAU,TI官网SN74F244NSR的批量USD价格:.273(1000+)
14-24-LOGIC-EVM — 支持 14 到 24 引脚 PW、DB、D、DW、NS、DYY 和 DGV 封装的通用逻辑 EVM
该 EVM 设计用于支持采用 14 至 24 引脚 D、DW、DB、NS、PW、DYY 或 DGV 封装的任何逻辑器件。