| DP8521AV-25 | National Semiconductor | 237 | DRAM CONTROLLER, 1M X 1 PQCC68 | 
                                                                    
                                        | DP8522AV-25 | National Semiconductor | 2,804 | DRAM CONTROLLER, 4M X 1, PQCC84 | 
                                                                    
                                        | DP8531V | National Semiconductor | 1,500 | VIDEO CLOCK GENERATOR | 
                                                                    
                                        | DP8570AV | National Semiconductor | 250 | REAL TIME CLOCK, VOLATILE, 2 TIM | 
                                                                    
                                        | DP8570AV | Texas Instruments | 35,000 | IC RTC TCP PAR 28-PLCC | 
                                                                    
                                        | DP8570AV/NOPB | Texas Instruments | 100 | IC RTC CLK/CALENDAR PAR 28-PLCC | 
                                                                    
                                        | DP8570AVX | National Semiconductor | 3,600 | REAL TIME CLOCK, VOLATILE, 2 TIM | 
                                                                    
                                        | DP8570AVX | Texas Instruments | 35,000 | IC RTC TCP PAR 28-PLCC | 
                                                                    
                                        | DP8570AVX/NOPB | Texas Instruments | 35,000 | IC RTC CLK/CALENDAR PAR 28-PLCC | 
                                                                    
                                        | DP8570AVX/NOPB | National Semiconductor | 35,000 | DP8570A TIMER CONTROL PERIPHERAL | 
                                                                    
                                        | DP8573AN | Texas Instruments | 35,000 | IC RTC CLK/CALENDAR PAR 24-DIP | 
                                                                    
                                        | DP8573AV | National Semiconductor | 2,352 | REAL TIME CLOCK, VOLATILE, 0 TIM | 
                                                                    
                                        | DP8573AV | Texas Instruments | 35,000 | IC RTC CLK/CALENDAR PAR 28-PLCC | 
                                                                    
                                        | DP8573AVX | National Semiconductor | 1,110 | REAL TIME CLOCK, VOLATILE, 0 TIM | 
                                                                    
                                        | DP8573AVX | Texas Instruments | 35,000 | IC RTC CLK/CALENDAR PAR 28-PLCC |