MC1489    MC1489A
     
                     QUAD MDTL LINE RECEIVERS RS-232C
     The MC1489  monolitic  quad  line  receivers are designed to interface
data terminal equipment with data communication  equipment  in  conformance
with the specifications of EIA Standard RS-323C.
     
                                 FEATURES
     - Input Resistance  3...7kOhms
     - Input Signal Range  +-30V
     - Input Threshold Histeresis Built In
     - Response Control
          Logic Threshold Shifting
          Input Noise Filtering

                          ABSOLUTE MAXIMUM RATING
     Power Supply Voltage                    10Vdc
     Input Voltage Rating                   -30...+30Vdc
     Output Load Current                     20mA
     Propogation Time Delay                  85ns
     Rise Time                               175ns
     Power Dissipation (Package Limitation)  1000mW
     Operation Ambient Temperature           0...+75C
     Storage Temperature                    -65...+175C
     
                               PIN FUNCTION
     1 Input A                       8 Output C
     2 Responce Control A            9 Responce Control C
     3 Output A                     10 Input C
     4 Input B                      11 Output D
     5 Responce Control B           12 Responce Control D
     6 Output B                     13 Input D
     7 Ground                       14 Vcc