
- 制造厂商:TI(德州仪器,Texas Instruments)
- 产品类别:逻辑和电压转换
- 技术类目:专用逻辑 IC - 数字多路复用器和编码器
- 功能描述:四路 2 线路至 1 线路数据选择器/多路复用器
- 点击这里打开及下载SN54S257的技术文档资料
- TI代理渠道,提供当日发货、严格的质量标准,满足您的目标价格

These devices are designed to multiplex signals from four-bit data sources to four-output data lines in bus-organized systems. The 3-state outputs will not load the data lines when the output control pin (G\) is at a high-logic level.
Series 54LS and 54S are characterized for operation over the full military temperature range of -55°C to 125°C; Series 74LS and 74S are characterized for operation from 0°C to 70°C.
- Three-State Outputs Interface Directly with System Bus
- 'LS257B and 'LS258B Offer Three Times the Sink-Current Capability of the Original 'LS257 and 'LS258
- Same Pin Assignments as SN54LS157, SN74LS157, SN54S157, SN74S157, and SN54LS158, SN74LS158, SN54S158, SN74S158
- Provides Bus Interface from Multiple Sources in High-Performance Systems
Off state (worst case)
- Technology Family
- S
- Function
- Digital Multiplexer
- Configuration
- 2:1
- Number of channels (#)
- 4
- Operating temperature range (C)
- -55 to 125
- Rating
- Military
SN54S257的完整型号有:JM38510/07906BEA、JM38510/07906BFA、M38510/07906BEA、M38510/07906BFA、SN54S257J、SNJ54S257J、SNJ54S257W,以下是这些产品的关键参数及官网采购报价:
JM38510/07906BEA,工作温度:-55 to 125,封装:CDIP (J)-16,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JM38510/07906BEA的批量USD价格:30.482(1000+)
JM38510/07906BFA,工作温度:-55 to 125,封装:CFP (W)-16,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JM38510/07906BFA的批量USD价格:27.32(1000+)
M38510/07906BEA,工作温度:-55 to 125,封装:CDIP (J)-16,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M38510/07906BEA的批量USD价格:30.482(1000+)
M38510/07906BFA,工作温度:-55 to 125,封装:CFP (W)-16,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M38510/07906BFA的批量USD价格:27.32(1000+)
SN54S257J,工作温度:-55 to 125,封装:CDIP (J)-16,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SN54S257J的批量USD价格:15.348(1000+)
SNJ54S257J,工作温度:-55 to 125,封装:CDIP (J)-16,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SNJ54S257J的批量USD价格:13.872(1000+)
SNJ54S257W,工作温度:-55 to 125,封装:CFP (W)-16,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SNJ54S257W的批量USD价格:20.368(1000+)


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