| 
    ST72521AR7 | 
    STMicroelectronics | 
     | 
    
        
             | 
    8-bit mcu with nested interrupts, flash, 10-bit adc, five timers, spi, sci, i2c, can interface  | 
    
       
    
                 
              
         
             | 
    ST72521AR9 | 
    STMicroelectronics | 
     | 
    
        
             | 
    8-bit mcu with nested interrupts, flash, 10-bit adc, five timers, spi, sci, i2c, can interface  | 
    
       
    
                 
              
         
             | 
    ST72521M | 
    STMicroelectronics | 
     | 
    
        
             | 
    8-bit mcu with nested interrupts, flash, 10-bit adc, five timers, spi, sci, i2c, can interface  | 
    
       
    
                 
              
         
             | 
    ST72521M7 | 
    STMicroelectronics | 
     | 
    
        
             | 
    8-bit mcu with nested interrupts, flash, 10-bit adc, five timers, spi, sci, i2c, can interface  | 
    
       
    
                 
              
         
             | 
    ST72521M9 | 
    STMicroelectronics | 
     | 
    
        
             | 
    8-bit mcu with nested interrupts, flash, 10-bit adc, five timers, spi, sci, i2c, can interface  | 
    
       
    
                 
              
         
             | 
    ST72521R | 
    STMicroelectronics | 
     | 
    
        
             | 
    8-bit mcu with nested interrupts, flash, 10-bit adc, five timers, spi, sci, i2c, can interface  | 
    
       
    
                 
              
         
             | 
    ST72521R6 | 
    STMicroelectronics | 
     | 
    
        
             | 
    8-bit mcu with nested interrupts, flash, 10-bit adc, five timers, spi, sci, i2c, can interface  | 
    
       
    
                 
              
         
             | 
    ST72521R7 | 
    STMicroelectronics | 
     | 
    
        
             | 
    8-bit mcu with nested interrupts, flash, 10-bit adc, five timers, spi, sci, i2c, can interface  | 
    
       
    
                 
              
         
             | 
    ST72521R9 | 
    STMicroelectronics | 
     | 
    
        
             | 
    8-bit mcu with nested interrupts, flash, 10-bit adc, five timers, spi, sci, i2c, can interface  | 
    
       
    
                 
              
         
             | 
    ST72F521AR6TC | 
    STMicroelectronics | 
     | 
    
        
             | 
    8-bit mcu with nested interrupts, flash, 10-bit adc, five timers, spi, sci, i2c, can interface  | 
    
       
    
                
          
        
        
             | 
    ST72F521M | 
    STMicroelectronics | 
       | 
    
        半导体
             | 
    8-bit mcu with nested interrupts, flash, 10-bit adc, five timers, spi, sci, i2c, can interface  | 
    
       
    
                
          
        
        
             | 
    NCP5316 | 
    ON Semiconductor | 
     | 
    
        集成电路
             | 
    four/five/six-phase buck cpu controller  | 
    
       
    
                 
              
         
             | 
    BV-A301RD | 
    ETC | 
     | 
    
        
             | 
    five six digit led displays  | 
    
       
    
                 
              
         
             | 
    BV-A302RD | 
    ETC | 
     | 
    
        
             | 
    five six digit led displays  | 
    
       
    
                 
              
         
             | 
    BV-A303RD | 
    ETC | 
     | 
    
        
             | 
    five six digit led displays  | 
    
       
    
                 
              
         
             | 
    BV-A304RD | 
    ETC | 
     | 
    
        
             | 
    five six digit led displays  | 
    
       
    
                 
              
         
             | 
    BV-A305RD | 
    ETC | 
     | 
    
        
             | 
    five six digit led displays  | 
    
       
    
                 
              
         
             | 
    BV-A305RE | 
    ETC | 
     | 
    
        
             | 
    five six digit led displays  | 
    
       
    
                 
              
         
             | 
    BV-A306RD | 
    ETC | 
     | 
    
        
             | 
    five six digit led displays  | 
    
       
    
                 
              
         
             | 
    BV-A30DRD | 
    ETC | 
     | 
    
        
             | 
    five six digit led displays  |