Samsung SFD-321B - Manual - manualsarea.com

Page 2 - FLOPPY DISK DRIVE SPECIFICATION; PAGE; CONTENTS

SEMA ELECTRONICS CO.,LTD FLOPPY DISK DRIVE SPECIFICATION PAGE 1 MODEL SFD-321B CONTENTS 1. INTRODUCTION 1.1 Application1.2 Disk Used 2. GENERAL SPECIFICATIONS 2.1 Performance2.2 Environmental Conditions2.3 Reliability2.4 Power Supply2.5 Physical Specifications 3. INSTALLATION 4. ELECTRICAL INTERFACE...

Page 3 - PACKAGING DESCRIPTION

SEMA ELECTRONICS CO.,LTD FLOPPY DISK DRIVE SPECIFICATION PAGE 2 MODEL SFD-321B 7. SAFETY STANDARDS 8. PACKAGING DESCRIPTION 8.1 Label Description8.2 Packaging Method8.3 Pallet Dimension and the Method 9. OPTION SELECTION 9.1 Trace Options9.2 Other Options (Buyer Selection) 10. GENERAL COMMENT ※ LIST...

Page 5 - GENERAL SPECIFICATIONS

SEMA ELECTRONICS CO.,LTD FLOPPY DISK DRIVE SPECIFICATION PAGE 4 MODEL SFD-321B 2. GENERAL SPECIFICATIONS 2.1 Performance I T E M LOW DENSITY STANDARD 1MB HIGH DENSITY STANDARD 2MB HIGH DENSITY *OPTION* 1.6MB Capacity (KBytes) Unformatted Per Disk 1000 2000 1600 Per Track 6.25 12.5 10.0 Formatted Per...

Page 7 - Environmental Conditions; ITEM; Operating

SEMA ELECTRONICS CO.,LTD FLOPPY DISK DRIVE SPECIFICATION PAGE 6 MODEL SFD-321B 2.2 Environmental Conditions ITEM SPECIF ICAT ION Ambient Temperature Operating ( ℃ ) 0 ∼ 50 Storage ( ℃ ) -40 ∼ 70 Transportation ( ℃ ) -40 ∼ 70 Temperature Gradient( ℃ / Hr) Operating 20 Max. Non-operating 30 Max. Relat...

Page 8 - I T E M

SEMA ELECTRONICS CO.,LTD FLOPPY DISK DRIVE SPECIFICATION PAGE 7 MODEL SFD-321B 2.3 Reliability <Note> ( *1) A soft (recoverable) error is defined as a successful attempt to read a track of data within 3 retries after a read failure.A read retry is defined as an attempt to read the entire track...

Page 9 - Spindle motor ON

SEMA ELECTRONICS CO.,LTD FLOPPY DISK DRIVE SPECIFICATION PAGE 8 MODEL SFD-321B 2.4 Power Supply <Note> ( *1) Typical values are specified at 5.0 V( *2) Stand-by : Under the condition that all input lines are inactive. I T E M SPECIF ICAT ION Required Power D.C. 5 V ± 10 % Allowable Ripple Volt...

Page 10 - Physical Specifications; External View

SEMA ELECTRONICS CO.,LTD FLOPPY DISK DRIVE SPECIFICATION PAGE 9 MODEL SFD-321B 2.5 Physical Specifications I T E M SPECIF ICAT ION MechanicalDimension Width (mm) 101.6 Height (mm) 25.4 Depth (mm) 145.0 (without Front Bezel) Weight (gr) 460.0 typ. External View Refer to Fig. 2- 1 and Fig. 2-2 Install...

Page 14 - ELECTRICAL INTERFACE

SEMA ELECTRONICS CO.,LTD FLOPPY DISK DRIVE SPECIFICATION PAGE 13 MODEL SFD-321B 4. ELECTRICAL INTERFACE 4.1 Signal Interface <Note> ( *1) All odd numbers : GND 4.2 Power Interface Density Select In Use ( Spare)Drive Select 3 (Spare)Index Drive Select 0 Drive Select 2 (Spare) Drive Select 1 Mot...

Page 15 - Interface Connectors; Fig 4-1. Sign al Interface Conn ector and Cable Side Conn ector

SEMA ELECTRONICS CO.,LTD FLOPPY DISK DRIVE SPECIFICATION PAGE 14 MODEL SFD-321B 4.3 Interface Connectors 4.3.1 Signal Interface Connector <Note> (*1) 33 pins, 2.54 pitch (Pin #3,5,7,9,13,15,17,19,23,25,27,31 : cut off) Wall Type (*2) Cable length : 1m (3. 3 feet) Max. < Signal Interface Con...

Page 16 - Fig 4-2. Power Interface Connector and Cable Side Connector; FDD

SEMA ELECTRONICS CO.,LTD FLOPPY DISK DRIVE SPECIFICATION PAGE 15 MODEL SFD-321B 4.3.2 Power Interface Connector < Power Interface Connector (FDD) > < Cable Side Connector (HOST) > Fig 4-2. Power Interface Connector and Cable Side Connector Side Conn ector FDD ELCO P/N 9251-004-000-809 or...

Page 17 - SIGNAL CHARACTERISTICS; Recommended Interface Circuit; Sign al Log ic

SEMA ELECTRONICS CO.,LTD FLOPPY DISK DRIVE SPECIFICATION PAGE 16 MODEL SFD-321B 5. SIGNAL CHARACTERISTICS 5.1 Signal Level <Note> (*1) "LOW" level Max. sink current is 48 mA. 5.2 Recommended Interface Circuit Sign al Log ic Inpu t Level Outpu t Level (*1) Low (True) 0.9 V Max. 0.4 V Ma...

Page 18 - Typ e

SEMA ELECTRONICS CO.,LTD FLOPPY DISK DRIVE SPECIFICATION PAGE 17 MODEL SFD-321B 5.3 Input Signals 5.3.1 Density Select This siganl is used to distinguish between 1.6MB and 2MB Mode.The interface pin No.2 can be used as Density Select Input signal byattaching 0 Ω resistor onto "OPA" short plu...

Page 19 - Density Mode

SEMA ELECTRONICS CO.,LTD FLOPPY DISK DRIVE SPECIFICATION PAGE 18 MODEL SFD-321B 5.3.3 Motor On Logical "LOW" level of this signal makes the spindle motor be turned on.The motor reaches to the rated rotational speed within 500 ms after thissignal changes to "LOW".This input signal is ...

Page 23 - F L OPP Y D IS K DR IVE S P E CIF ICA TION; Seek Operation Timing; Sid e Se le ct tim in g )

SEMA ELECTRONICS CO.,LTD F L OPP Y D IS K DR IVE S P E CIF ICA TION PAGE 2 2 M ODEL SFD-3 2 1 B 6. TIMING DIAGRAM 6.1 Seek Operation Timing 6.2 Read / Write Operation Timing REV ERS E FORWA RD 1 ㎲ Min. 1 ㎲ Min. 1 ㎲ Min. 10 ㎲ Max. 2.8 ㎳ Max. 18 ㎳ Min. ( *1) 500 ㎱ Min. 3 ㎳ Min. DRIVE SELECT DIRECTIONS...

Page 25 - FL OPPY DISK DRIVE SPECIFICATION; Label Description; .1. 1 Se ria l Num be r La be l Ma rking

SEMA ELECTRONICS CO.,LTD FL OPPY DISK DRIVE SPECIFICATION PAGE 2 4 M ODEL SFD-3 2 1 B 8. PACKAGING DESCRIPTION 8.1 Label Description 8 .1. 1 Se ria l Num be r La be l Ma rking F B T 6 S 1 A L B 00 00 1 ① ② ③ ④ ⑤ ⑥ ⑦ ⑧ ⑨ ⑩ ① Pro d uct n a me : "F" → FDD ② Mo de l n ame : "B" → SFD-3 2...

Page 28 - Trace Nam e

SEMA ELECTRONICS CO.,LTD FLOPPY DISK DRIVE SPECIFICATION PAGE 27 MODEL SFD-321B 9. OPTION SELECTION FDD can be modified for different functions than the standard specification.These modifications should be implemented by the factory according to therequest of the customers. 9.1 Trace Options By putt...