| PC1604 | 
                                        Duracell | 
                                        3,433 | 
                                        BATT ALKALINE 9V CONSTANT | 
                                    
                                                                    
                                        | PC16550DN | 
                                        Texas Instruments | 
                                        35,000 | 
                                        IC UART WITH FIFO 40-DIP | 
                                    
                                                                    
                                        | PC16550DN/NOPB | 
                                        Texas Instruments | 
                                        35,000 | 
                                        IC UART WITH FIFO 40-DIP | 
                                    
                                                                    
                                        | PC16550DV | 
                                        National Semiconductor | 
                                        12,113 | 
                                        SERIAL I/O CONTROLLER, 1 CHANNEL | 
                                    
                                                                    
                                        | PC16550DV | 
                                        Texas Instruments | 
                                        35,000 | 
                                        IC UART WITH FIFO 44-PLCC | 
                                    
                                                                    
                                        | PC16550DV/NOPB | 
                                        Texas Instruments | 
                                        778 | 
                                        PC16550D UNIVERSAL ASYNCHRONOUS | 
                                    
                                                                    
                                        | PC16550DV/NOPB | 
                                        National Semiconductor | 
                                        35,000 | 
                                        SERIAL I/O CONTROLLER, 1 CHANNEL | 
                                    
                                                                    
                                        | PC16550DV/NOPB | 
                                        Texas Instruments | 
                                        35,000 | 
                                        IC UART WITH FIFO 44-PLCC | 
                                    
                                                                    
                                        | PC16550DV/NOPB-TI | 
                                        Texas Instruments | 
                                        35,000 | 
                                        SERIAL I/O CONTROLLER, 1 CHANNEL | 
                                    
                                                                    
                                        | PC16550DVX | 
                                        National Semiconductor | 
                                        3,379 | 
                                        SERIAL I/O CONTROLLER, 1 CHANNEL | 
                                    
                                                                    
                                        | PC16550DVX | 
                                        Texas Instruments | 
                                        35,000 | 
                                        IC RCVR/TX UNIVER W/FIFO 44-PLCC | 
                                    
                                                                    
                                        | PC16550DVX/NOPB | 
                                        National Semiconductor | 
                                        35,000 | 
                                        PC16550D UNIVERSAL ASYNCHRONOUS | 
                                    
                                                                    
                                        | PC16550DVX/NOPB | 
                                        Texas Instruments | 
                                        35,000 | 
                                        IC RCVR/TX UNIVER W/FIFO 44-PLCC | 
                                    
                                                                    
                                        | PC16550DVX/NOPB-NS | 
                                        National Semiconductor | 
                                        35,000 | 
                                        SERIAL I/O CONTROLLER, 1 CHANNEL | 
                                    
                                                                    
                                        | PC16552DV | 
                                        National Semiconductor | 
                                        35,000 | 
                                        SERIAL I/O CONTROLLER, 2 CHANNEL |