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SFD-321B Dataheets PDF



Part Number SFD-321B
Manufacturers Samsung
Logo Samsung
Description 3.5inch DUAL DENSITY MICRO FLOPPY DISK DRIVE
Datasheet SFD-321B DatasheetSFD-321B Datasheet (PDF)

FDD OEM MANUAL SFD-321B 3.5inch DUAL DENSITY MICRO FLOPPY DISK DRIVE SPECIFICATIONS SEMA ELECTRONICS CO.,LTD XiaLingBei HengKeng Management Area Liaobu Town Dongguan City Guangdong Province, China SEMA ELECTRONICS CO.,LTD FLOPPY DISK DRIVE SPECIFICATION PAGE MODEL 1 SFD-321B CONTENTS 1. INTRODUCTION 1.1 Application 1.2 Disk Used 2. GENERAL SPECIFICATIONS 2.1 Performance 2.2 Environmental Conditions 2.3 Reliability 2.4 Power Supply 2.5 Physical Specifications 3. INSTALLATION 4. ELECTRICAL INT.

  SFD-321B   SFD-321B



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FDD OEM MANUAL SFD-321B 3.5inch DUAL DENSITY MICRO FLOPPY DISK DRIVE SPECIFICATIONS SEMA ELECTRONICS CO.,LTD XiaLingBei HengKeng Management Area Liaobu Town Dongguan City Guangdong Province, China SEMA ELECTRONICS CO.,LTD FLOPPY DISK DRIVE SPECIFICATION PAGE MODEL 1 SFD-321B CONTENTS 1. INTRODUCTION 1.1 Application 1.2 Disk Used 2. GENERAL SPECIFICATIONS 2.1 Performance 2.2 Environmental Conditions 2.3 Reliability 2.4 Power Supply 2.5 Physical Specifications 3. INSTALLATION 4. ELECTRICAL INTERFACE 4.1 Signal Interface 4.2 Power Interface 4.3 Interface Connectors 5. SIGNAL CHARACTERISTICS 5.1 Signal Level 5.2 Recommended Interface Circuit 5.3 Input Signals 5.4 Output Signals 6. TIMING DIAGRAM 6.1 Seek Operation Timing 6.2 Read / Write Operation Timing SEMA ELECTRONICS CO.,LTD FLOPPY DISK DRIVE SPECIFICATION PAGE MODEL 2 SFD-321B 7. SAFETY STANDARDS 8. PACKAGING DESCRIPTION 8.1 Label Description 8.2 Packaging Method 8.3 Pallet Dimension and the Method 9. OPTION SELECTION 9.1 Trace Options 9.2 Other Options (Buyer Selection) 10. GENERAL COMMENT ※ LIST of FIGURES Figure 2-1. Figure 2-2. Figure 3-1. Figure 4-1. Figure 4-2. Figure 4-3. Figure 8-1. Figure 8-2. Physical Dimensions (With Bezel Type) Physical Dimensions (Without Bezel Type) Installation Signal Interface Connector and Cable Side Connector Power Interface Connector and Cable Side Connector Rear View of FDD Packaging Method Pallet Dimension & Method SEMA ELECTRONICS CO.,LTD FLOPPY DISK DRIVE SPECIFICATION PAGE MODEL 3 SFD-321B 1. INTRODUCTION 1.1 Application This manual shall be applied for SAMSUNG SFD-321B - double side, dual density (option : 3 mode), 3.5 inch micro floppy disk drive (hereinafter referred to as "FDD"). 1.2 Disk Used 3.5 inch micro floppy disks (hereinafter referred to as "DISK"), the use of which will be mutually agreed between the customers and SAMSUNG, shall be used. SEMA ELECTRONICS CO.,LTD FLOPPY DISK DRIVE SPECIFICATION PAGE MODEL 4 SFD-321B 2. GENERAL SPECIFICATIONS 2.1 Performance ITEM LOW DENSITY STANDARD 1MB HIGH DENSITY STANDARD 2MB HIGH DENSITY *OPTION* 1.6MB Capacity (KBytes) Unformatted Per Disk Per Track Formatted Per Disk (Sector / Track) 1000 6.25 655.4 (16) 737.3 (9) 819.2 (5) 2000 12.5 1310.7 (32) 1474.6 (18) 1638.4 (10) 1600 10.0 1065.0 (26) 1228.8 (15) 1310.7 (8) Recording Density (BPI) -Inner Most Track, side 1 8,717 17,434 14,528 Data Transfer Rate (KBits / sec) -MFM recording 250 500 Number of Heads 2 Number of Tracks 160 Track Density (TPI) 135TPI (5.33 Tracks / mm) Rotational Speed 300 RPM 360 RPM Drive Motor Specification LSV ISV ± 1.5 % Max. ± 1.5 % Max. Start Time 500 ms Max. Access Time Track to Track Time Head Settling Time 3 ms 15 ms Max. Head 0 / Head 1 Offset Head 1 is displaced 8 tracks toward the drive spindle direction. SEMA ELECTRONICS CO.,LTD FLOPPY DISK DRIVE SPECIFICATION PAGE MODEL 5 SFD-321B ITEM Media Operating Force Inserting Ejecting Media Ejecting Distance Aco.


EVNSL0272BK-XXXX SFD-321B TC3588


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