These devices contain four independent 2-input NOR buffer gates with open-collector outputs. Open-collector outputs require resistive pull-up to perform logically but can deliver higher V_OH levels and are commonly used in wired-AND applications.

The SN5433 and SN54LS33 are characterized for operation over the full military temperature range of -55°C to 125°C. The SN7433, and SN74LS33 are characterized for operation from 0°C to 70°C.

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• Technology Family
• LS
• Number of channels (#)
• 4
• Supply voltage (Min) (V)
• 4.5
• Supply voltage (Max) (V)
• 5.5
• Inputs per channel
• 2
• IOL (Max) (mA)
• 0
• IOH (Max) (mA)
• -48
• Output type
• Open-Collector
• Input type
• Bipolar
• Features
• High speed (tpd 10- 50ns)
• Data rate (Max) (Mbps)
• 35
• Rating
• Military

SN54LS33的完整型号有：8512601CA、8512601DA、SN54LS33J、SNJ54LS33J、SNJ54LS33W，以下是这些产品的关键参数及官网采购报价：

8512601CA，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8512601CA的批量USD价格：10.816（1000+）

8512601DA，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8512601DA的批量USD价格：18.961（1000+）

SN54LS33J，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SN54LS33J的批量USD价格：7.686（1000+）

SNJ54LS33J，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SNJ54LS33J的批量USD价格：10.816（1000+）

SNJ54LS33W，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SNJ54LS33W的批量USD价格：18.961（1000+）