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Part : WD2143PD-03 Supplier : - Manufacturer : Chip One Exchange Stock : 33 Best Price : - Price Each : -
Part : WD2143PD0315 Supplier : Western Digital Manufacturer : Chip One Exchange Stock : 244 Best Price : - Price Each : -
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WD2143 Datasheet

Part Manufacturer Description PDF Type
WD2143-03 Western Digital Four Phase Clock Generator Scan
WD2143AD03 N/A Historical semiconductor price guide (US$ - 1998). From our catalog scanning project. Scan
WD2143CD03 N/A Historical semiconductor price guide (US$ - 1998). From our catalog scanning project. Scan
WD2143PD03 N/A Historical semiconductor price guide (US$ - 1998). From our catalog scanning project. Scan

WD2143

Catalog Datasheet MFG & Type PDF Document Tags

TTL 7400

Abstract: WD2143 WESTERN DIGITAL CORPORATION WD2143-03 Four Phase Clock Generator FEATURES IMPROVED VERSION OF WD2143-01 TRUE AND INVERTED OUTPUTS SINGLE 5 VOLT SUPPLY TTL COMPATABLE ON CHIP OSCILLATOR TTL , GENERAL DESCRIPTION The WD2143-03 Four-Phase Clock Generator is a MOS/LSI device capable of generating , zi stb in ⡠nc PIN DESIGNATION Figure 1. WD2143-03 BLOCK DIAGRAM DEVICE OPERATION Each of the , WD2143-03 Figure 2. WRITE PRECOMP OPERATION WITH F.S.L. WD1691 u. STB IN WD2143-03 ⺠17
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OCR Scan
TTL 7400 WD2143 CERAMIC DISK CAPACITOR 7400 TTL

WD2143-03

Abstract: WD2143 WESTERN DIGITAL CORPORATf ON WD2143-03 Four Phase Clock Generator £ o IO ^ CO Ã' w FEATURES â'¢ IMPROVED VERSION OF WD2143-01 â'¢ TRUE AND INVERTED OUTPUTS â'¢ SINGLE 5 VOLT SUPPLY â'¢ TTL COMPATIBLE â , '¢ PROGRAMMABLE PHASE WIDTHS â'¢ NO EXTERNAL CAPACITOR GENERAL DESCRIPTION The WD2143-03 Four-Phase Clock , ¡ NC â¡ STB IN â¡ NC PIN DESIGNATION Figure 1 WD2143-03 BLOCK DIAGRAM DEVICE OPERATION Each of the , supply input Table 1 PIN DESCRIPTIONS TYPICAL APPLICATIONS WD1691 STB 2K X â'"WNVvW1-n 10K "v WD2143-03
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OCR Scan
voltage controlled pulse width generator 61PW-04PW

74s124

Abstract: FD179X to be used with the WD2143-03 clock generator. When the WD1691 is operated in a " single density only" mode, write precompensation as w el^_as_the WD2143-03 is not needed. In this case, 01,02,03,04, and STB , leading edge of WDIN. The STB line is latched high when th is occurs, causing the WD2143-03 to start its , WD1691 com pleting the loop. The WD2143-03 is also used, providing write precompen sation when In , been included to interface directly with the WD2143 Clock Generator. The WD1691 is implemented In N-MOS
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OCR Scan
FD179X WD179X 74s124 74LS08 function table 74LS04 INVERTER L69LQM

74s124

Abstract: fd1771 inputs. The Write Precompensation circuit has been designed to be used with the WD2143-03 clock , WD2143-03 is not needed. In this case, 01,02,03,04, and STB should be tied together, DDEN left open, and , latched high when this occurs, causing the WD2143-03 to start its pulse generation. 02 is used as the , WD1691 completing the loop. The WD2143-03 is also used, providing write precompen-sation when in , accomplished and Write Precompensation signals have been included to interface directly with the WD2143 Clock
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OCR Scan
TG431 fd1771 FD1771-01 INTERNAL BLOCK DIAGRAM OF 74LS08 74LS08 ttl floppy support

d1691

Abstract: VD1691 C WESTERN O R P O R A DIGITAL T I O N WD2143-03 Four Phase Clock Generator FEATURES GENERAL DESCRIPTIO N IMPROVED VERSION OF WD2143-01 TRUE AND INVERTED OUTPUTS SINGLE 5 VOLT SUPPLY TTL , WIDTHS NO EXTERNAL CAPACITOR The WD2143-03 Four-Phase Clock Generator is a MOS/LSI device capable of , pulse widths. + 5V ± 5% power supply input. Table 1. PIN DESCRIPTIONS WD2143-03 TYPICAL , H A RACTERISTICS Floppy Disk Support Devices 2-15 SWITCHING CHARACTERISTICS WD2143-03
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OCR Scan
d1691 VD1691 square pulse generator ic

74s124

Abstract: WD1691 been designed to be used with the WD2143-03 clock generator. When the WD1691 is operated in a "single density only" mode, write precompensation as well as the WD2143-03 is not needed. In this case,"^T, 62 , the WD2143-03 to start its pulse generation. ¿2 is used as the write data pulse on nominal , WD1691 completing the loop. The WD2143-03 is also used, providing write precompensation when in , WD1691 PU PD STB + 5 I SINGLE . DENSITY 1 DOUBLE DENSITY 1 TO drive 04 03 02 01 STB IN WD2143-03 JiÃPW
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OCR Scan
74LS629 74LS08 gate diagram western digital FD1771 Western Digital floppy disk digital clock recovery VCO 179X TG43CI L69I-QM

WD16C92

Abstract: WD1793 WD16C92 WD2143-03 WD9216-00/01 WD92C32-00 Floppy Support Logic , -02 . WD2010-05 . WD2143-03
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Original
WD1793 SA450 WD1772 2764 rom WD1003-WAH WD2293

MSC 1691 AI

Abstract: WD1771 WD2143-03 Four Phase Clock Generator , -02 . 73 DM1883A/B . 145 WD2010 . 263 WD2143-03
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OCR Scan
MSC 1691 AI WD1771 WD1691V western digital FD1791 sj 8207 WD1771-01 CA92714 1015S

western digital FD1791

Abstract: 74s124 . 1-117 FLOPPY DISK SUPPORT DEVICES WD1691 WD16C92 WD2143-03 WD9216-00/01 WD92C32-00 Floppy
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OCR Scan
FD179X-02 179X-02 STR 6656 FD1795 msc 1691 fd179x application STR 6656 diagram FD1792/4 FD1795/7