CMOS Fast SCSI Controller

www.DataSheet4U.com ********** C-MOS FAST SCSI CONTROLLER —TOP VIEW— 80 70 60 51 SYM53CF96-2 (1/4) IL00 GND GND GND GND 81 GND GND 50 GND GND VDD (+5V) 90 GND GND GND GND VDD (+5V) 40 GND GND GND GND 100 31 20 PIN NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 I/O I I — O — O — I/O I/O I/O I/O I/O I/O I/O I/O I/O — — I/O I/O I/O I/O I/O I/O I/O SIGNAL DACK DBWR NC IGS GND TGS GND DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 DBP0 GND GND DB8 DB9 DB10 DB11 DB12 DB13 DB14 PIN NO. 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 10 I/O I/O I/O — I/O I/O I/O I/O I/O I/O I/O I/O I/O — — — — O O O O — — O O O SIGNAL DB15 DBP1 NC SDI0 SDI1 SDI2 SDI3 SDI4 SDI5 SDI6 SDI7 SDIP VDD NC GND GND SDO0 SDO1 SDO2 SDO3 GND GND SDO4 SDO5 SDO6 PIN NO. 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 30 1 I/O O O — — — O O O O — — I/O I/O I/O I/O O — — I I I I I I I SIGNAL SDO7 SDOP NC GND GND SELO BSYO REQO ACKO GND GND MSGIO C/DIO I/OIO ATNIO RSTO GND GND SELI BSYI REQI ACKI RSTI MODE1 MODE0 PIN NO. 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 I/O O I — I I I I I I I I I — — I/O I/O I/O I/O — — I/O I/O I/O I/O O SIGNAL INT RESET NC WR RD CS A0-SA0 A1-BHE A2-DBRD A3-ALE CLK DIFFM VDD NC PAD0 PAD1 PAD2 PAD3 GND GND PAD4 PAD5 PAD6 PAD7 DREQ www.DataSheet4U.com SYM53CF96-2 (2/4) INPUT A3 - A0 ACKI ALE BHE BSYI CLK CS DACK DBRD DBWR DIFFM MODE1, MODE0 RD REQI RESET RSTI SA0 SDI7 - SDI0 SDIP SELI WR OUTPUT ACKO BSYO DREQ IGS INT REQO RSTO SDO7 - SDO0 SDOP SELO TGS INPUT/OUTPUT ATNIO C/DIO DB15 - DB0 DBP1 DBP0 I/OIO MSGIO PAD7 - PAD0 ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ADDRESS (NON MULTIPLEX MODE) SCSI ACKNOWREDGE ADDRESS LATCH ENABLE (MULTIPLEX MODE) BUS HIGH ENABLE (MULTIPLEX MODE) SCSI BUSY CLOCK CHIP SELECT DMA ACKNOWREDGE DATA BUS READ (MULTIPLEX MODE) DMA WRITE DIFFERENTIAL MODE ENABLE MODE SELECT READ SCSI REQUEST CHIP RESET SCSI RESET SYSTEM ADDRESS BUS (MULTIPLEX MODE) SCSI DATA BUS SCSI PARITY SCSI SELECT WRITE ; ; ; ; ; ; ; ; ; ; ; ACKNOWLEDGE SCSI BUS COMMAND BUSY DMA REQUEST INTIATER GROUP SELECT INTERRUPT SCSI BUS COMMAND REQUEST SCSI BUS COMMAND RESET SCSI DATA BUS SCSI PARITY SCSI BUS COMMAND SELECT TARGET GROUP SELECT ; ; ; ; ; ; ; ; 48 mA OPEN DRAIN OUT/SCHMITT TRIGGER IN SCSI PHASE DATA BUS ODD PARITY FROM DB15 - DB8 ODD PARITY FROM DB7 - DB0 SCSI PHASE SCSI PHASE PROCESSOR ADDRESS DATA BUS www.DataSheet4U.com SYM53CF96-2 (3/4) 82 83 84 85 72 70 86 81 1 2 87 75 74 80 71 77 73 69 79 29 30 31 32 33 34 35 36 37 A0 - SA0 A1 - BHE A2 - DBRD A3 - ALE ACKI BSYI CLK CS DACK DBWR DIFFM MODE0 MODE1 RD REQI RESET RSTI SELI WR SDI0 SDI1 SDI2 SDI3 SDI4 SDI5 SDI6 SDI7 SDIP SDO0 SDO1 SDO2 SDO3 SDO4 SDO5 SDO6 SDO7 SDOP SELO 42 43 44 45 48 49 50 51 52 56 8 9 10 11 12 13 14 15 19 20 21 22 23 24 25 26 DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 DB8 DB9 DB10 DB11 DB12 DB13 DB14 DB15 90 PAD0 PAD1 PAD2 PAD3 PAD4 PAD5 PAD6 PAD7 6 TGS ACKO BSYO DREQ IGS INT REQO RSTO ATNIO C/DIO DBP0 DBP1 I/OIO MSGIO 59 57 100 4 76 58 66 65 63 16 27 64 62 91 92 93 96 97 98 99 www.DataSheet4U.com SYM53CF96-2 (4/4) 76 85 84 83 MICROPROCESSOR INTERFACE 82 81 80 79 90-93, 96-99 66 73 57 70 56 69 58 71 59 72 65 62 63 64 SCSI CONTROL INT A3 - ALE A2 - DBRD A1 - BHE A0 - SA0 CS RD WR PAD7-0 RSTO RSTI BSYO BSYI SELO SELI REQO REQI ACKO ACKI 100 DMA AND MICROPROCESSOR INTERFACE 1 2 19-27 8-16 DREQ DACK DBWR DB15-8, DBP1 DB7-0, DBP0 ATNIO MSGIO C/DIO I/OIO 86 MISC. 77 CLK RESET 74 75 POWER AND CONFIGURATION MODE 1 MODE 0 VDD GND, VDD SDO7-0, 42-45, 48-52 SDOP SCSI DATA SDI7-0, 29-37 SDIP