MD2203-D256 datasheet, PDF - EEWORLD Datasheet

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MD2203-D256: DescriptionFLASH MEMORY DRIVE CONTROLLER, PDIP32; Categorysemiconductor The embedded processor and controller; File Size537KB，21 Pages; ManufacturerETC1

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MD2203-D256 Overview

FLASH MEMORY DRIVE CONTROLLER, PDIP32

MD2203-D256 Parametric

Parameter Name	Attribute value
External data bus width	8
Number of terminals	32
Minimum operating temperature	0.0 Cel
Maximum operating temperature	70 Cel
Processing package description	DIP-32
state	Active
microprocessor_microcontroller_peripheral_ic_type	SECONDARY STORAGE CONTROLLER, FLASH MEMORY DRIVE
jesd_30_code	R-PDIP-T32
moisture_sensitivity_level	NOT SPECIFIED
Packaging Materials	PLASTIC/EPOXY
ckage_code	DIP
packaging shape	RECTANGULAR
Package Size	IN-LINE
eak_reflow_temperature__cel_	NOT SPECIFIED
qualification_status	COMMERCIAL
Rated supply voltage	5 V
Minimum supply voltage	4.5 V
Maximum supply voltage	5.5 V
surface mount	NO
Temperature level	COMMERCIAL
terminal coating	NOT SPECIFIED
Terminal form	THROUGH-HOLE
Terminal location	DUAL
ime_peak_reflow_temperature_max__s_	NOT SPECIFIED

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Data Sheet

January 2002

DiskOnChip



2000 DIP

MD2200/2/3

Features

Single-chip plug-n-play flash disk

Low power, single 3.3V or 5V power

supply

16MB to 576MB capacity (1GB in 2002)

Pinout and structure compatible with

DiskOnChip Millennium DIP 8MB

Simple, easy-to-integrate interface

32-pin DIP, JEDEC standard,

EEPROM-compatible pinout

8KB sized memory window

Boot OS capability

Embedded TrueFFS



software provides:

—

Full hard disk read/write emulation

—

Third-generation wear leveling

—

Automatic block management

Applications

Embedded systems

Operates with DiskOnChip SDK in

OS-less environments, ANSI-C source

code kit

Error Detection and Correction

(EDC/ECC) for higher data reliability

Low power consumption – Static

Operation

Broad OS support: DOS, Windows

NT4.0/5.0, Windows CE, BE, pSOS+,

QNX, VxWorks, and others

Compatible with major processors: x86,

MediaGX, Geode SCxxxx, PowerPC, 68K,

MIPS, SHx, StrongARM, and others

Internet access devices

Internet set-top boxes/ITV, Web browsers

WBT, thin clients, network computers

Routers, networking

Web phones, car PCs, DVD, HPC

Point of sale, industrial PCs

Telecom, medical

91-SR-002-42-8L Rev.

3.4

DiskOnChip 2000 DIP

Table of Contents

General Description................................................................................................................... 4

Detailed Feature List.................................................................................................................. 5

TrueFFS Technology............................................................................................................................ 5

Low Power Consumption ..................................................................................................................... 5

Temperature Range ............................................................................................................................. 5

Easy to Integrate .................................................................................................................................. 6

Robust Error Correction ....................................................................................................................... 6

High Reliability...................................................................................................................................... 6

High Speed........................................................................................................................................... 6

Compatibility with 8MB DiskOnChip Millennium Series ....................................................................... 6

Broad Support for Operating Systems and Processors ....................................................................... 6

Portable Solution – Shorter Time to Market ......................................................................................... 7

Complete Solution ................................................................................................................................ 7

Package Description and Pin List ............................................................................................ 8

Designing with the DiskOnChip 2000 Flash Disk ................................................................... 9

4.1 Hardware.............................................................................................................................. 9

4.2 Software ............................................................................................................................... 9

4.3 Designing DiskOnChip 2000 into PC Architecture ............................................................... 9

Disk Capacities and Contents ................................................................................................ 11

5.1 Low-Profile ......................................................................................................................... 11

5.2 High-Profile......................................................................................................................... 11

5.3 Media Contents .................................................................................................................. 11

Theory of Operation................................................................................................................. 12

6.1 Error Detection and Correction (EDC/ECC) ....................................................................... 12

Specifications .......................................................................................................................... 13

7.1 Absolute Maximum Ratings................................................................................................ 13

7.2 Capacitance ....................................................................................................................... 13

7.3 Temperature Ranges ......................................................................................................... 13

7.4 DiskOnChip Assembly........................................................................................................ 13

7.5 Humidity ............................................................................................................................. 13

7.6 EDC/ECC ........................................................................................................................... 13

7.7 DC Electrical Characteristics over Operating Range.......................................................... 14

7.7.1 Vcc = 5V Characteristics...........................................................................................................14

7.7.2 Vcc = 3.3V Characteristics........................................................................................................15

91-SR-002-42-8L Rev.

3.4

DiskOnChip 2000 DIP

General Description

The DiskOnChip 2000 product line is the second-generation of M-Systems’ DiskOnChip series of

products. The 2000 series provides a small, single-chip, solid-state flash disk in a standard 32-pin

DIP package. Combining a disk controller with flash memory on a single chip, DiskOnChip 2000 is

the

solution where minimal weight, space, and power consumption are essential. In consequence, the

2000 series finds use today in a wide range of products, such as information appliances, set-top

boxes, thin clients, thin servers, network computers, and embedded, portable computers.

By placing DiskOnChip 2000 in a standard socket, physical space requirements are reduced. Unlike

standard IDE drives, no cables or extra space are required. DiskOnChip 2000 has no moving parts,

resulting in significantly decreased power consumption and increased reliability. It is easy to use and

reduces integration overhead. DiskOnChip 2000 is therefore a very attractive alternative to

conventional hard and floppy disk drives.

Using TrueFFS technology, DiskOnChip 2000 delivers full hard disk emulation. As such, the design

and integration stages can be considerably reduced, thereby enabling very fast time-to-market and

ease of production. Combined with its very attractive cost structure, DiskOnChip 2000 is a superior

alternative to resident flash array (RFA).

DiskOnChip 2000 products are available in capacities ranging from 16MB to 576MB. In addition,

they are 100% pinout and software compatible with the DiskOnChip Millennium DIP 8MB package.

In future versions, the capacity will be dramatically increased (up to 1GB during 2002). Since the

same pinout will be retained, the socket on the target platform will not have to be changed to

accommodate the larger capacities.

DiskOnChip technology provides broad support for all major operating systems and processors in the

market, enabling it to be readily integrated with any architecture.

DiskOnChip 2000 is shipped as a plug-and-play device that is fully tested and formatted, and

programmed with a DOS driver. Future driver, software or content upgrades, or formatting, can be

made on-board or off-board using DiskOnChip utilities and accessories provided by M-Systems.

91-SR-002-42-8L Rev.

3.4

DiskOnChip 2000 DIP

Detailed Feature List

TrueFFS Technology

For a flash disk to emulate a hard disk, a software management layer is required. TrueFFS is

M-Systems’ patented flash file system management technology that allows flash components to fully

emulate hard disks, so they can be written to and read from like any other hard disk.

TrueFFS software simplifies and enhances flash memories by:

•

Using third-generation wear leveling, which ensures that all blocks are erased an equal number of

times. This increases the life of the flash media by orders of magnitude.

•

Using virtual blocking of the flash device to make erasure of large blocks transparent to the

operator.

•

Automatic block mapping.

•

Implementing a robust power-loss recovery mechanism to guarantee absolute protection of data.

•

Providing conventional address support for various architecture configurations.

•

The TrueFFS driver supports 8-bit, 16-bit, and 32-bit bus architectures. Support for the 16-bit and

32-bit bus architectures, typically used in RISC processors, can be achieved by using the LSB of

the data bus as follows:

For 16-bit address boundary shifts, shift the address lines by

one,

so that the host address line

A1 connects to DiskOnChip 2000 address line A0, the host address line A2 connects to

DiskOnChip 2000 line A1, and so on.

For 32-bit address boundary shifts, shift the address lines by

two,

so that the host address line

A2 connects to DiskOnChip 2000 address line A0, the host address line A3 connects to

DiskOnChip 2000 line A1, and so on.

Refer to Application Note AP-DOC-030 for more details.

Low Power Consumption

The internal functions are synchronized with the CPU’s read and write strobes. This innovation

eliminates the need for an external clock and dramatically reduces power consumption.

DiskOnChip 2000 requires only a single 3.3V or 5V power supply, which helps simplify integration.

These features make DiskOnChip 2000 the best cost/performance solution for computers that require

minimal weight, space, and power consumption, providing a very attractive alternative to

conventional hard and floppy disk drives.

Temperature Range

DiskOnChip 2000 is available in both commercial (0 ºC to +70 ºC) and extended (-40 ºC to +85 ºC)

temperature ranges.

* DiskOnChip 2000 192MB and 576MB capacities are available only for commercial temperature ranges.

91-SR-002-42-8L Rev.

3.4

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