These devices contain four independent 2-input positive-NOR gates. They perform the Boolean functions or Y = A\ \x95 B\ in positive logic.

The SN54ALS02A and SN54AS02 are characterized for operation over the full military temperature range of -55°C to 125°C. The SN74ALS02A and SN74AS02 are characterized for operation from 0°C to 70°C.

• Package Options Include Plastic Small-Outline (D) Packages, Ceramic Chip Carriers (FK), and Standard Plastic (N) and Ceramic (J) 300-mil DIPs

• Technology Family
• AS
• Number of channels (#)
• 4
• Supply voltage (Min) (V)
• 4.5
• Supply voltage (Max) (V)
• 5.5
• Inputs per channel
• 2
• IOL (Max) (mA)
• 0.4
• IOH (Max) (mA)
• -8
• Output type
• Push-Pull
• Input type
• Bipolar
• Features
• High speed (tpd 10- 50ns)
• Data rate (Max) (Mbps)
• 125
• Rating
• Military

SN54AS02的完整型号有：SN54AS02J、SNJ54AS02FK、SNJ54AS02J，以下是这些产品的关键参数及官网采购报价：

SN54AS02J，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SN54AS02J的批量USD价格：7.038（1000+）

SNJ54AS02FK，工作温度：-55 to 125，封装：LCCC (FK)-20，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SNJ54AS02FK的批量USD价格：18.533（1000+）

SNJ54AS02J，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SNJ54AS02J的批量USD价格：7.773（1000+）