Service Manuals, User Guides, Schematic Diagrams or docs for : apple disk widget datasheet SSI115_Winchester_Read_Write_Circuit

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SSI115_Winchester_Read_Write_Circuit


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            JificonJz rskmr                       INTEGRATION
                                                                                                         551 115
                                                                                                         Winchester
                                                                                                         Read/Write Circuit

                                                           Data 5heet
                                                                                         HSl                                24     US
                         VCT                     us
                                                                                         WC                                 23     Hal

                                                                                         WS                                 22     HD2
                                                                                         VCT                                21     H11

                                                                                         HS2                                20     H12

 CE                                                                                     GNO                 115/24          19 -   H21
                                                                                                          5 Channels
                                                                                         HS3                                18     H22
                                                                                        VCC                                 17     H31

ws                                                                                       NC'                                16     H32

                                                                                             CE    10                       15     H41

                                                                                             OX    11                       14 -H42

                                                                                             DY    12                       13     VEE
                                  DIFFERENTIAL
                                                             HOl
                                      READ
                                                  HEAD 0
                                   AMPLIFIERS                H02
                                       AND
                                      WRITE
 0,                                 CURRENT                  H11
                                    SWITCHES      HEAD 1
                                                             H12     HSl                          22      US
Dy                                                                                                                   HSl                          18   US
                                                             H21     WC                           21
                                 (5 CHANNELS)
                                                  HEAD 2
                                                                                                          Hal         WC                          17   Hal
                                                             H22
HSl                                                                  WS                           20      H02
                                                             H31                                                      WS                          16   H02
HS2
                                                  HEAD 3            VCT                           19      Hll
                                                             H32
HS3                                                                                                                  VCT                               H11
                                                                    HS2             115/22        18      H12                            115118   15
                                                             H41
                                                  HEAD 4                          4 Channels                                       2 Channels
                                                             H42    GNO                           17      H21        GND                          14   H12

                                                                    VCC                           16      H22        VCC                          13   NC
                                                                    NC'                           15      H31
                                                                                                                     NC'                          12   NC
                                                                     CE                           14      H32
                                                                                                                       CE                         11   VEE
                                                                     OX      10                   13     NC

                                                                     OY      11                   12     VEE          OX                          10   OY

                    551 115 Block Diagram
                                                                                                        551115 Pin Out
                                                                                                          (Top View)
                                                                                   



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