These devices contain two independent 5-input positive-NOR gates. They perform the Boolean function Y = A + B + C + D + E\ in positive logic.

The SN54S260 is characterized for operation over the full military temperature range of -55°C to 125°C. The SN74S260 is characterized for operation from 0°C to 70°C.

• Package Options Include Ceramic Chip Carriers and Flat Packages in Addition to Plastic and Ceramic DIPs
• Dependable Texas Instruments Quality and Reliability

• Technology Family
• S
• Number of channels (#)
• 2
• Supply voltage (Min) (V)
• 4.5
• Supply voltage (Max) (V)
• 5.5
• Inputs per channel
• 5
• IOL (Max) (mA)
• 1
• IOH (Max) (mA)
• -20
• Output type
• Push-Pull
• Input type
• Bipolar
• Features
• Very high speed (tpd 5-10ns)
• Data rate (Max) (Mbps)
• 50
• Rating
• Military

SN54S260的完整型号有：SN54S260J、SNJ54S260J、SNJ54S260W，以下是这些产品的关键参数及官网采购报价：

SN54S260J，工作温度：-55 to 125，封装：CDIP (J)-14，包装数量MPQ：1个，MSL 等级/回流焊峰值温度：N/A for Pkg Type，引脚镀层/焊球材料：SNPB，TI官网SN54S260J的批量USD价格：7.336（1000+）

SNJ54S260J，工作温度：-55 to 125，封装：CDIP (J)-14，包装数量MPQ：1个，MSL 等级/回流焊峰值温度：N/A for Pkg Type，引脚镀层/焊球材料：SNPB，TI官网SNJ54S260J的批量USD价格：8.733（1000+）

SNJ54S260W，工作温度：-55 to 125，封装：CFP (W)-14，包装数量MPQ：1个，MSL 等级/回流焊峰值温度：N/A for Pkg Type，引脚镀层/焊球材料：SNPB，TI官网SNJ54S260W的批量USD价格：18.077（1000+）