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IC Model:74HC257B1 Associated Model: 74HC253MC74HC253D  74HC254N  74HC257D.652  74HC257FPEL 
Model Quantity company Contact Manufacturers Batches Packaging Pricing
74HC257B1 450  Beijing Yang-day industry Kemao Ltd. Tel:010-51601206,010-82130399,010-82112166,021-51611471,021-51611472,021-51611473 ST  99  DIP16   
74HC257B1 35  Beijing Yang-day industry Kemao Ltd. Tel:010-51601206,010-82130399,010-82112166,021-51611471,021-51611472,021-51611473 sgs  dc91  25/tube   
74HC257B1   Exchange Science Technologies Co., Ltd. apparently in Beijing Tel:010-51987308 ST  DIP16  99+   
74HC257B1 99+  Exchange Science Technologies Co., Ltd. apparently in Beijing Tel:010-51987308   ST  900  DIP16 
74HC257B1 99+  Exchange Science Technologies Co., Ltd. apparently in Beijing Tel:010-51987308   ST  900  DIP16 
74HC257B1 99+  Exchange Science Technologies Co., Ltd. apparently in Beijing Tel:010-51987308   ST  900  DIP16 
74HC257B1 99+  Exchange Science Technologies Co., Ltd. apparently in Beijing Tel:010-51987308   ST  900  DIP16 
74HC257B1 99+  Exchange Science Technologies Co., Ltd. apparently in Beijing Tel:010-51987308   ST  900  DIP16 
74HC257B1 8000  Beijing 30 jin revitalize auspicious trade and business Co., Ltd. Tel:010-51299473 ST/99  06+     
74HC257B1 6000  Electronic Science Technologies Co., Ltd. of promise Tyke of Beijing Tel:010-51665702 ST/99  06+     
74HC257B1 900  Singapore IAP Electronics Co., Ltd. Tel:86-755-83873150/3140/3160 ST  99+     
74HC257B1 1000  Achieve strength to reach electronic Science Technologies Co., Ltd. bigly in Beijing Tel:010-82122728 sgs  06+  25/tube