SST55LD019A Silicon Storage Technology, Inc., SST55LD019A Datasheet

SST55LD019A

Manufacturer Part Number

SST55LD019A

Description

Ata Flash Disk Controllersst's Ata Flash Disk Controller is The Heart of a High Performance, Flash Media-based Data Storage System. The Ata Flash Disk Controller Recognizes The Control, Address, And Data Signals on The Ata/ide Bus And Translates Them

Manufacturer

Silicon Storage Technology, Inc.

Datasheet

1.SST55LD019A.pdf (76 pages)

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FEATURES:

• Industry Standard ATA/IDE Bus Interface

• Interface for standard NAND Flash Media

• Low power, 3.3V core operation

• 5.0V or 3.3V host interface through V

• Low current operation:

• Power Management Unit

• Expanded Data Protection

• 20-byte Unique ID for Enhanced Security

PRODUCT DESCRIPTION

SST’s ATA Flash Disk Controller is the heart of a high-

performance, flash media-based data storage system.

The ATA Flash Disk Controller recognizes the control,

address, and data signals on the ATA/IDE bus and trans-

lates them into memory accesses to the standard NAND-

type flash media. The SST55LD019A/B/C device sup-

ports both Single Level Cell (SLC) and Multi-Level Cell

(MLC) flash media. This technology suits solid state

mass storage applications offering new, expanded func-

tionality while enabling smaller, lighter designs with lower

power consumption.

The ATA/IDE interface is widely used in such products as

portable and desktop computers, digital cameras, music

players, handheld data collection scanners, PDAs, handy

terminals, personal communicators, audio recorders, moni-

toring devices, and set-top boxes. SST’s ATA Flash Disk

Controller supports standard ATA/IDE protocol with up to

PIO Mode-4 and Multi-word DMA Mode-2 interface.

S71241-02-000

– Host Interface: 8- or 16-bit access

– Supports up to PIO Mode-4

– Supports up to Multi-word DMA Mode-2

– Flash Media Interface: 8-bit or 16-bit access

– Supports Single-Level Cell (SLC) and

– Active mode: 25 mA/35 mA (3.3V/5.0V) (typical)

– Sleep mode: 40 µA/50 µA (3.3V/5.0V) (typical)

– Immediate disabling of unused circuitry

– WP_PD# pin configurable by firmware for

– Added data security through user-selectable

– Factory Pre-programmed 10-byte Unique ID

– User-Programmable 10-byte ID

- Supports up to 8 flash media devices directly

- Supports up to 255 flash media devices with

Multi-Level Cell (MLC) flash media

prevention of data overwrites

protection zones

external decoding logic

SST55LD019A / SST55LD019B / SST55LD019C

4/04

SST55LD019A/B/CHigh-Performance ATA Flash Disk Controller

ATA Flash Disk Controller

Specification (2.0) by permission of the CompactFlash Association. Other content is reproduced from the ATA/ATAPI-6 (T13/1410D revision 3b) spec-

The SST logo and SuperFlash are registered trademarks of Silicon Storage Technology, Inc. Some content is reproduced from the CompactFlash

ification by permission of the National Committee for Information Technology Standards. These specifications are subject to change without notice.

DDQ

pins

• Pre-programmed Embedded Firmware

• Internal or External System Clock Option

• Multi-tasking Technology enables Fast

• Fast Sustained Read Performance (Flash to Host)

• Automatic Recognition and Initialization of

• Commercial and Industrial Temperature Ranges

• Packages Available

Utilizing SST’s proprietary SuperFlash memory technology,

the ATA Flash Disk Controller is factory pre-programmed

with an embedded flash file system which, upon initial

Power-on, recognizes the attached flash media devices,

sets up a bad block table, executes all necessary hand-

shaking routines for flash media support, and, finally, per-

forms the low-level format. This process typically takes

about 0.5 sec/MB of drive capacity, allowing a 640 MByte

flash drive to be fully initialized in about 5 minutes.

This technology enables a very fast, completely seam-

less integration of flash drives into an embedded design.

For added manufacturing flexibility, system debug, re-ini-

tialization, and user customization can be accomplished

either through the ATA/IDE interface, for ATA Disk Module

or flash drive products, or through the Serial Communi-

cation Interface (SCI), for fully embedded ATA Flash Disk

Controller designs.

– Performs self-initialization on first system Power-on

– Executes industry standard ATA/IDE commands

– Implements dynamic wear-leveling algorithms to

– Embedded Flash File System

– Built-in ECC corrects up to 3 random 12-bit

Sustained Write Performance (Host to Flash)

– SST55LD019A supports up to 6 MB/sec

– SST55LD019B/C support up to 10MB/sec

– Up to 10 MB/sec

Flash Media Devices

– Seamless integration into a standard SMT

– 0.5 sec/MB (typical) for flash drive recognition

– 0°C to 70°C for commercial operation

– -40°C to +85°C for industrial operation

– 100-lead TQFP

– 84-ball TFBGA

– 64-lead TQFP (reduced function)

substantially increase the longevity of flash media

symbols of error per 512-byte sector

manufacturing process

and setup

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