Samsung SFD-321B specifications Power Supply

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FLOPPY DISK DRIVE SPECIFICATION

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MODEL	SFD-321B

2.4 Power Supply

		I T E M		SPECIFICATION

	Required Power		D.C. 5 V ± 10 %

	Allowable Ripple Voltage		100 mVp-p(including spike noise)

		Operating Mode	Average Current		Average Power

			Typ.		Typ.
			Typ.		Typ.

		Stand - by	2 mA		10mW

	Power	Read Operation	0.3	A	1.5	W
	Consumption
	Consumption	Write Operation	0.3	A	1.5	W
		Write Operation	0.3	A	1.5	W

		Seek Operation (3 ms)	0.7	A	3.5	W

		Drive Motor Start	0.7	A	3.5	W

+5 V (*1)	0.7 A Typ.
Current (A)
	500 ms Max.
2 mA
Stand-by	Spindle motor ON
(*2)

0.3 A

Read /

Write

0.7A Typ.

18 ms Max.

Seek

<Note>

(*1) Typical values are specified at 5.0 V

(*2) Stand-by : Under the condition that all input lines are inactive.

SEMA ELECTRONICS CO.,LTD

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Contents OEM Manual SFD-321B Floppy Disk Drive SpecificationSafety Standards Packaging Description Disk Used ApplicationLOW High E M Density Standard Option PerformanceFloppy Disk Drive Specification Environmental Conditions SpecificationReliability E M SpecificationPower Supply Physical Specifications Page Page Page Signal Interface Power InterfaceSFD-321B*1 Interface Connectors Signal Interface Connector SideSignal Interface Connector and Cable Side Connector Power Interface Connector ConnectorPower Interface Connector and Cable Side Connector Signal Level Signal Logic Input Level Output Level *1Recommended Interface Circuit Type Contents Input SignalsDensity Select Drive Select 0Motor On Density Mode Transfer Rate TypDirection Select StepWrite Gate Output SignalsSide Select IndexTrack Write ProtectRead Data MFM Disk Change / Ready Timing Diagram Safety Standards Serial Number Label Marking Label DescriptionS1ARB00001 Label DescriptionPage Page Trace Name Description Trace OptionsMode Other Options Buyer SelectionSelection of Bezel Type Color of Bezel, ButtonGeneral Comment