Bill of Material for 4 Port Serial Interface.PcbDoc
On 2010-5-20 at 8:54:48

 Comment             Pattern     Quantity  Components
------------------------------------------------------------------------------
 0.1uF               RAD0.2          10    C1, C2, C3, C4, C5, C8, C9   Capacitor 0.2 pitch  
                                           C10, C11, C12
 1.8432Mhz           XTAL1            1    X1                                                
 10K                 SIP9             1    RP1                          RESISTOR NETWORK 8 COMMON RESISTORS 
 10uF                TANT 2M/2M       3    C15, C16, C17                Electrolytic Capacitor RB mount 
 1488                DIP14            3    U2, U3, U4                   TTL-RS232 DRIVER     
 1489                DIP14            5    U5, U6, U7, U8, U9           1489 RS232-TTL CONVERTOR 
 1K5                 AXIAL0.4         1    R2                                                
 1M                  AXIAL0.4         1    R1                                                
 1N4004              DIODE0.4         2    D1, D2                                            
 20pF                RAD0.2           1    C13                          Capacitor 0.2 pitch  
 50pF                RAD0.2           1    C14                          Capacitor 0.2 pitch  
 74HC32              DIP14            1    U11                          Quad 2-IN Pos Or G   
 BASE ADDRESS        DIP16            1    S1                                                
 Bracket             BRACKET          1    J2                                                
 CON AT62B           ECN-IBMXT        1    P1                                                
 DB37                DB37RA/F         1    J1                                                
 INTERRUPT SELECT    DIP8             1    S2                                                
 P22V10              SDIP24           1    U10                          24-PIN TTL VERSATILE PAL DEVICE 
 TL16C554            PGA68X11_SKT     1    U1