| 
					Type
				 | 
				
					CPU / Microprocessor
				 | 
			
			
				| 
					Market segment
				 | 
				
					Mobile
				 | 
			
			
				| 
					Family
				 | 
				
					Intel Mobile Pentium II
				 | 
			
			
				| 
					CPU part number
				 | 
				
					
						- 
							80523TX266512 is an OEM/tray microprocessor
						
 
					 
				 | 
			
			
				| 
					Frequency   
				 | 
				
					266 MHz
				 | 
			
			
				| 
					Bus speed   
				 | 
				
					66 MHz
				 | 
			
			
				| 
					Clock multiplier   
				 | 
				
					4
				 | 
			
			
				| 
					Package
				 | 
				
					240-pin Mini-Cartridge Assembly (MCA)
				 | 
			
			
				| 
					Socket
				 | 
				
					240-pin connector
				 | 
			
			
				| 
					Size
				 | 
				
					2.35" x 2.19" x 2.19" / 5.97cm x 5.57cm x 0.55cm
				 | 
			
			
				| 
					Introduction date
				 | 
				
					Apr 2, 1998
				 | 
			
			
				| 
					Price at introduction
				 | 
				
					$696
				 | 
			
			
				| 
					 
				 | 
			
			
				| 
					S-spec numbers
				 | 
			
			
				| 
					 
					 
				 | 
				
				 | 
			
			
				
					
						
							
								| 
									 
								 | 
								
									Production processors
								 | 
							 
							
								| 
									Part number
								 | 
								
									SL2KJ
								 | 
								
									SL2RR
								 | 
								
									SL2U9
								 | 
							 
							
								| 
									80523TX266512
								 | 
								
									+
								 | 
								
									+
								 | 
								
									+
								 | 
							 
						
					 
				 | 
			
			
				| 
					 
				 | 
			
			
				| 
					Architecture / Microarchitecture
				 | 
			
			
				| 
					 
					 
				 | 
				
				 | 
			
			
				| 
					Microarchitecture
				 | 
				
					P6
				 | 
			
			
				| 
					Core steppings   
				 | 
				
					mDB0 (SL2U9) 
mdA0 (SL2KJ) 
mdB0 (SL2RR)
				 | 
			
			
				| 
					CPUIDs
				 | 
				
					650 (SL2KJ) 
652 (SL2RR)
				 | 
			
			
				| 
					Manufacturing process
				 | 
				
					0.25 micron 
7.5 million transistors
				 | 
			
			
				| 
					Data width
				 | 
				
					32 bit
				 | 
			
			
				| 
					Data bus width
				 | 
				
					64 bit
				 | 
			
			
				| 
					Floating Point Unit
				 | 
				
					Integrated
				 | 
			
			
				| 
					Level 1 cache size   
				 | 
				
					16 KB 4-way set associative instruction cache 
16 KB 4-way set associative write-back data cache
				 | 
			
			
				| 
					Level 2 cache size   
				 | 
				
					512 KB backside cache
				 | 
			
			
				| 
					Multiprocessing
				 | 
				
					Uniprocessor
				 | 
			
			
				| 
					Features
				 | 
				
					MMX instructions
				 | 
			
			
				| 
					Low power features
				 | 
				
					
						- 
							Stop Grant mode   
						
 
						- 
							Auto Halt mode   
						
 
						- 
							Quick start mode
						
 
						- 
							Sleep mode   
						
 
						- 
							Deep sleep mode   
						
 
					 
				 | 
			
			
				| 
					 
				 | 
			
			
				| 
					Electrical / Thermal parameters
				 | 
			
			
				| 
					 
					 
				 | 
				
				 | 
			
			
				| 
					V core   
				 | 
				
					1.6V ± 0.12V
				 | 
			
			
				| 
					V I/O or secondary
				 | 
				
					1.8V ± 0.09V
				 | 
			
			
				| 
					Min/Recommended/Max V tertiary
				 | 
				
					3.135V / 3.3V / 3.465V
				 | 
			
			
				| 
					Minimum/Maximum operating temperature   
				 | 
				
					0°C - 100°C
				 | 
			
			
				| 
					Minimum/Maximum power dissipation   
				 | 
				
					0.54 Watt (Deep Sleep mode) / 15.64 Watt
				 | 
			
			
				| 
					Thermal Design Power   
				 | 
				
					10.3 Watt
				 |