| 1 | 
		P87C51FA-IB |     
		80C51 8-bit microcontroller family 8K.64K/256.1K OTP/ROM/ROMless, low voltage 2.7V.5.5V, low power, high speed 33 MHz | 
		346K | 
		
		     
		 | 
		
		 
		 | 
	  
	
	 
		| 2 | 
		P87C51FA-IB |     
		80C51 8-bit microcontroller family 8K.64K/256.1K OTP/ROM/ROMless, low voltage 2.7V.5.5V, low power, high speed 33 MHz | 
		368K | 
		
		     
		 | 
		
		 
		 | 
	  
	
	 
		| 3 | 
		P87C51FA-IB |     
		8-bit CMOS (low voltage, low power and high speed) microcontroller families | 
		348K | 
		
		     
		 | 
		
		 
		 | 
	  
	
	 
		| 4 | 
		P87C51FA-IB |     
		8-bit CMOS (low voltage, low power and high speed) microcontroller families | 
		348K | 
		
		     
		 | 
		
		 
		 | 
	  
	
	 
		| 5 | 
		P87C51FA-IB-S |     
		8-Bit Microcontroller
			 | 
		3447K | 
		
		     
		 | 
		
		 
		 |