Name Mode Comment, Strobe | Fujitsu MHW2060AC, MHW2040AC specs

Interface

5.6.3.2 Ultra DMA data burst timing requirements

Table 5.29 Ultra DMA data burst timing requirements (1 of 2)

NAME	MODE 0		MODE 1		MODE 2		MODE 3		MODE 4		MODE 5
	(in ns)		(in ns)		(in ns)		(in ns)		(in ns)		(in ns)		COMMENT
													COMMENT

	MIN	MAX	MIN	MAX	MIN	MAX	MIN	MAX	MIN	MAX	MIN	MAX

t2CYCTYP	240		160		120		90		60		40		Typical sustained average two
													cycle time
tCYC	112		73		54		39		25		16.8		Cycle time allowing for
													asymmetry and clock variations
													(from STROBE edge to STROBE
													edge)
t2CYC	230		153		115		86		57		38		Two cycle time allowing for clock
													variations (from rising edge to
													next rising edge or from falling
													edge to next falling edge of
													STROBE)
tDS	15		10		7		7		5		4		Data setup time at recipient (from
													data valid until STROBE edge)
													(2), (5)
tDH	5		5		5		5		5		4.6		Data hold time at recipient (from
													STROBE edge until data may
													become invalid) (2), (5)

tDVS	70		48		31		20		6.7		4.8		Data valid setup time at sender
													(from data valid until STROBE
													edge) (*3)
tDVH	6.2		6.2		6.2		6.2		6.2		4.8		Data valid hold time at sender
													(from STROBE edge until data
													may become invalid) (*3)
tCS	15		10		7		7		5		5		CRC word setup time at device
													(*2)
tCH	5		5		5		5		5		5		CRC word hold time device (*2)
tCVS	70		48		31		20		6.7		10		CRC word valid setup time at host
													(from CRC valid until DMACK-
													negation) (*3)
tCVH	6.2		6.2		6.2		6.2		6.2		10		CRC word valid hold time at
													sender (from DMACK-negation
													until CRC may become invalid)
													(*3)
tZFS	0		0		0		0		0		35		Time from STROBE output
													released-to-driving until the first
													transition of critical timing
tDZFS	70		48		31		20		6.7		25		Time from data output released-to-
													driving until the first transition of
													critical timing
tFS		230		200		170		130		120		90	First STROBE time (for device to
													first negate DSTROBE from
													STOP during a data in burst)

5-152

C141-E258

MHW2060AC, MHW2040AC specifications

The Fujitsu MHW2040AC and MHW2060AC are notable hard disk drives (HDDs) that have been widely used in various computing applications, especially in laptops and compact devices. These models are part of Fujitsu's commitment to providing reliable storage solutions that meet the demands of modern computing.

The MHW2040AC offers a storage capacity of 40 GB, while the MHW2060AC provides a slightly larger capacity at 60 GB. This range of storage makes both models suitable for users looking for dependable space for documents, multimedia files, and software applications. Both drives utilize a 2.5-inch form factor, ideal for mobile computing, as they are lightweight and designed to fit into space-constrained environments.

In terms of performance, both drives operate at a spindle speed of 5400 RPM. This speed strikes a balance between power consumption and performance, making these drives an efficient choice for everyday tasks, such as web browsing and office applications. The drives are equipped with an interface of Ultra ATA/133, which enables faster data transfer rates compared to older models, thereby enhancing overall system responsiveness.

The MHW2040AC and MHW2060AC also incorporate several advanced technologies to bolster their performance and reliability. One such feature is the use of a fluid dynamic bearing (FDB) for the spindle motor, which minimizes noise and vibration, thus improving the overall user experience. Additionally, both drives come with error correction technology that helps maintain data integrity by detecting and correcting errors during read and write operations.

Moreover, these HDDs feature a shock sensor that can detect sudden movements, allowing the drive to park its heads to prevent data loss and hardware damage. This is particularly beneficial in mobile environments where the risks of impact are higher.

Both the MHW2040AC and MHW2060AC are designed with energy-saving features, making them an environmentally responsible choice for energy-conscious consumers. Their low power consumption not only contributes to a reduced carbon footprint but also extends battery life for portable devices.

In summary, the Fujitsu MHW2040AC and MHW2060AC are reliable, efficient, and user-friendly hard disk drives that combine moderate capacities with advanced features designed to enhance performance, ensure data integrity, and extend device longevity. These drives are well-suited for a range of applications, making them a solid choice for users seeking dependable storage solutions.

Fujitsu MHW2060AC, MHW2040AC manual Name Mode Comment, Strobe

Models: MHW2060AC MHW2040AC

Interface

NAME

MODE 0

COMMENT

STROBE)

MHW2060AC, MHW2040AC specifications