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CXD8940BQ Dataheets PDF



Part Number CXD8940BQ
Manufacturers ETC
Logo ETC
Description CMOS RLL 1-7 Decoder
Datasheet CXD8940BQ DatasheetCXD8940BQ Datasheet (PDF)

C-MOS RLL 1-7 DECODER (GATE ARRAY) –TOP VIEW– 132 130 120 100 110 90 89 CXD8940BQ (1/3) IL16 VDD13 VDD13 VSS VSS23 VSS23 VSS VSS VSS VSS VDD13 VSS VSS VDD13 VSS 133 88 www.DataSheet4U.com 140 VSS 80 VDD13 150 VSS 70 160 VSST VDD13 60 170 VSS VSS23 VDD13 VDD13 VSS23 VSS VDD = +5V VSS = GND VSST 50 176 1 10 45 44 20 30 40 CXD8940BQ (2/3) PIN I/O No. 1 I 2 I 3 I 4 I 5 I 6 I 7 I 8 I 9 I www.DataSheet4U.com 10 I 11 I 12 –— 13 I 14 I 15 I 16 I 17 –— 18 I 19 I 20 I 2.

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***** C-MOS RLL 1-7 DECODER (GATE ARRAY) –TOP VIEW– 132 130 120 100 110 90 89 CXD8940BQ (1/3) IL16 VDD13 VDD13 VSS VSS23 VSS23 VSS VSS VSS VSS VDD13 VSS VSS VDD13 VSS 133 88 www.DataSheet4U.com 140 VSS 80 VDD13 150 VSS 70 160 VSST VDD13 60 170 VSS VSS23 VDD13 VDD13 VSS23 VSS VDD = +5V VSS = GND VSST 50 176 1 10 45 44 20 30 40 CXD8940BQ (2/3) PIN I/O No. 1 I 2 I 3 I 4 I 5 I 6 I 7 I 8 I 9 I www.DataSheet4U.com 10 I 11 I 12 –— 13 I 14 I 15 I 16 I 17 –— 18 I 19 I 20 I 21 –— 22 O 23 O 24 O 25 O 26 O 27 O 28 O 29 O 30 O 31 I 32 I 33 –— 34 I 35 I 36 I 37 I 38 I 39 –— 40 I 41 I 42 I 43 O 44 O PIN No. 45 A17I 46 A3I 47 A2I 48 A1I 49 CS1I 50 CS2I 51 CS3I 52 CS5I 53 CS6I 54 DPWAITI 55 RDI 56 VDD13 WRLI 57 WRHI 58 RESETI 59 MONISELI 60 VSS23 61 CRC FORMI 62 AMPATTI 63 SM SELI 64 VSS 65 RAMCSO 66 PIOCSO 67 DSPNCSO 68 DSPTCSO 69 PIO2CSO 70 DAWRO 71 WAITO 72 CS2SP1O 73 CS2SP2O 74 TRT UNLOCKI 75 TRN UNLOCKI 76 VDD13 77 TCNT TI 78 TCNT NI 79 PUP TI 80 PUP NI 81 HOLDI TI 82 VSST 83 HOLDI NI 84 DSN RDI 85 DSN CSI 86 TRVDIRNO 87 TEPLSO NO 88 SIGNAL PIN No. 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 PIN No. 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 I/O O O O O O O –— O O O O –— O O O O –— O O O O O I I O O O O –— O O O –— O O O O O –— O O O O O SIGNAL PIPLSO NO TEPLSO TO PIPLSO TO DSND0O DSND1O DSND2O VSS DSND3O DSND4O DSND5O DSND6O VDD13 DSND7O DSND8O DSND9O DSND10O VSS DSND11O DSND12O DSND13O DSND14O DSND15O DST RDI DST CSI TRVDIRTO DSTD0O DSTD1O DSTD2O VSS DSTD3O DSTD4O DSTD5O VDD13 DSTD6O DSTD7O DSTD8O DSTD9O DSTD10O VSS DSTD11O DSTD12O DSTD13O DSTD14O DSTD15O I/O –— I I I –— I I O O O O –— O O O O –— O O O O O O O O O –— O O O O O –— O O O O O –— –— I I I I SIGNAL VSS RDAT 1NI RCLK 1NI SMARK 1NI VSS23 SEN 1I REFN CKI RDAT0 1NO RDAT1 1NO MSEL0 1NO MSEL1 1NO VDD13 BSH 1NO PSH 1NO RSH 1NO EQS 1NO VSS DBIAS 1NO DPEAK 1NO SM 1NO REN 1NO WST 1NO CRCERR NO DCLK 1NO CRCDATAMO SYNDETMO VSS RSDETMO QADRDATMO AMDETMO SEC ENDMO SYRS DETMO VDD13 REENMO SMCCLRMO AMWINMO SYNWINMO DAREAMO VSS23 VSS REFT CKI RDAT 1TI RCLK 1TI SMARK 1TI I/O O O O O O O –— O O O O –— O O O O –— O I I 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 –— I I I I –— SIGNAL RDAT0 1TO RDAT1 1TO MSEL0 1TO MSEL1 1TO BSH 1TO PSH 1TO VSS RSH 1TO EQS 1TO DBIAS 1TO DPEAK 1TO VDD13 SM 1TO REN 1TO WST 1TO CRCERR TO VSS DCLK 1TO TESTI TEST2I D0IO D1IO D2IO D3IO D4IO D5IO D6IO D7IO VSST D8IO D9IO D10IO VDD13 D11IO D12IO D13IO D14IO D15IO VSS CLK20MW CLK20M A19I A18I VSS23 VSS = GND VDD = +5V CXD8940BQ (3/3) INPUT A1I~3I A17I~9I AMPATTI CLK20MI CLK20MWI CRC FORMI CS1I~6I DPWAITI DSN CSI, DSN RDI, DST CSI, DST RDI HOLDI NI, HOLDI TI MONISELI PUP NI, PUP TI, TCNT NI, TCNT TI RCLK 1NI, RCLK 1TI www.DataSheet4U.com RDAT 1NI, RDAT 1TI RDI REFN CKI, REFT CKI RESETI SEN 1I SM SELI SMARK 1NI, SMARK 1TI TEST TRN UNLOCKI, TRT UNLOCKI WRHI, WRLI OUTPUT AMDETO AMWINMO BSH INO, BSH 1TO CRCDATAMO CRCERR NO, CRCERR TO CS2SP1O, CS2SP2O, DSPNCSO, DSPTCSO, PI0CSO, PI02CSO, RAMCSO D0IO~D15IO DAREAMO DAWRO, WAITO DBIAS 1NO, DBIAS ITO DCLK 1NO, DCLK 1TO DPEAK 1NO, DPEAK 1TO DSND0O~DSND15O, DSTDO~DSTD15O EQS 1NO, EQS 1TO MSEL0 1NO, MSEL0 1TO, MSEL1 1NO, MSEL1 1TO PIPLSO NO, PIPLS0 TO, TEPLSO NO, TEPLS0 TO PSH 1NO, PSH 1TO QADRDATMO RDAT0 1NO, RDAT0 ITO, RDAT1 1NO, RDAT1 1TO REENMO REN 1NO, REN 1TO RSDETMO RSH 1NO, RSH 1TO SEC ENDMO SM 1NO, SM 1TO SMCCLRMO SYNDETMO SYRS DETMO SYNWINMO TRVDIRNO,TRVDIRTO WST 1NO, WST 1TO ; ; ; ; ; ; ; ; ADDRESS BUS ADDRESS BUS ADDRESS MARK PATTERN CONTROL 20 MHz CLOCK WINDOW PULSE GENERATOR MASTER CLOCK CRCC PATTERN DETECT CONTROL FOR TRACK AND SECTOR CHIP SELECT CHIP SELECT WAIT ; TRAVERSE COUNTER READ CONTROL FROM DSP ; TRAVERSE COUNTER HOLD MODE ; MONITOR OUTPUT SIGNAL SELECT ; ; ; ; ; ; ; ; ; ; ; ; CLOCK PULSE INPUT FOR TRAVERSE COUNTER CLOCK SYNCHRONIZED TO RDAT (TTL INPUT) DISK DATA PLAYBACK (TTL INPUT) FROM RF DATA BUS READ REFERENSE CLOCK (SAME FREQUENCY AS RCLK) SYSTEM RESET DATA READ ENABLE WINDOW PULSE DECODE SELECT SECTOR MARK DETECT TEST PIN TRACKING ERROR ACKNOWLEDGE DATA BUS WRITE ; ; ; ; ; ADDRESS MARK DETECT RESULT ADDRESS MARK DETECT WINDOW BIAS LOOP SAMPLE HOLD CRCC DETECT RESULT CRCC ERROR SIGNAL ; ; ; ; ; ; ; CHIP SELECT DATA BUS VALID DATA AREA WAIT CONTROL BIAS LOOP TEST ENABLE CLOCK SHNCHRONIZED TO RDAT0 AND RDAT1 PEAK LOOP TEST ENABEL ; DATA BUS ; EQ START SIGNAL ; RF MODE SELECT ; CLOCK PULSE FOR TRAVERSE COUNTER ; PEAK LOOP SAMPLE HOLD ; RDAT LATCH BY RCLK ; ; ; ; ; ; ; ; ; ; ; ; ; NRZI AND RLL CONVERT SECTOR READ ENABLE DATA READ ENABLE RESYNC DETECT RESULT READ SAMPLE HOLD SECTOR END DETECT RESULT SECTOR MARK REGENERATE CLEAR SIGNAL BY SECTOR MARK SYNC DETECT RESULT SYNC AND RESYNC OR BETWEEN DETECT AND AUTO CORRECT SYNC.


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