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SST55LD019C Datasheet Preview

SST55LD019C Datasheet

(SST55LD019x) ATA Flash Disk Controller

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ATA Flash Disk Controller
SST55LD019A / SST55LD019B / SST55LD019C
FEATURES:
SST55LD019A/B/CHigh-Performance ATA Flash Disk Controller
Data Sheet
• Industry Standard ATA/IDE Bus Interface
– Host Interface: 8- or 16-bit access
– Supports up to PIO Mode-4
– Supports up to Multi-word DMA Mode-2
• Interface for standard NAND Flash Media
– Flash Media Interface: 8-bit or 16-bit access
- Supports up to 8 flash media devices directly
- Supports up to 64 flash media devices with
external decoding logic
– Supports Single-Level Cell (SLC) flash media
- 512 Byte and 2 KByte program page size
• Low power, 3.3V core operation
• 5.0V or 3.3V host interface through VDDQ pins
• Low current operation:
– Active mode: 25 mA/35 mA (3.3V/5.0V) (typical)
– Sleep mode: 40 µA/50 µA (3.3V/5.0V) (typical)
• Power Management Unit
– Immediate disabling of unused circuitry
• Expanded Data Protection
– WP_PD# pin configurable by firmware for
prevention of data overwrites
– Added data security through user-selectable
protection zones
• 20-byte Unique ID for Enhanced Security
– Factory Pre-programmed 10-byte Unique ID
– User-Programmable 10-byte ID
• Integrated Voltage Detector
– Industrial Controller requires external POR# signal
• Pre-programmed Embedded Firmware
– Performs self-initialization on first system Power-on
– Executes industry standard ATA/IDE commands
– Implements dynamic wear-leveling algorithms to
substantially increase the longevity of flash media
– Embedded Flash File System
– Built-in ECC corrects up to 3 random 12-bit
symbols of error per 512-byte sector
• Internal or External System Clock Option
• Multi-tasking Technology enables Fast
Sustained Write Performance (Host to Flash)
– SST55LD019A supports up to 6 MB/sec
– SST55LD019B/C support up to 10MB/sec
• Fast Sustained Read Performance (Flash to Host)
– Up to 10 MB/sec
• Automatic Recognition and Initialization of
Flash Media Devices
– Seamless integration into a standard SMT
manufacturing process
– 5 sec. (typical) for flash drive recognition and
setup
• Commercial and Industrial Temperature Ranges
– 0°C to 70°C for commercial operation
– -40°C to +85°C for industrial operation
• Packages Available
– 100-lead TQFP – 16mm x 16mm
– 84-ball TFBGA – 9mm x 9mm
– 85-ball VFBGA – 6mm x 6mm
• All non-Pb (lead-free) devices are RoHS compliant
PRODUCT DESCRIPTION
SST’s ATA Flash Disk Controller is the heart of a high-per-
formance, 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
into memory accesses to the standard NAND-type flash
media. The SST55LD019A/B/C device supports Single
Level Cell (SLC) flash media. This technology suits solid
state mass storage applications offering new, expanded
functionality 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.
Utilizing SST’s proprietary SuperFlash memory technol-
ogy, the ATA Flash Disk Controller is factory pre-pro-
grammed 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
handshaking routines for flash media support, and, finally,
performs the low-level format. This process typically takes
about 3 sec + 0.5 sec/GByte of drive capacity, allowing a
2 GByte flash drive to be fully initialized in about 4 sec-
onds.
This technology enables a very fast, completely seamless
integration of flash drives into an embedded design. For
added manufacturing flexibility, system debug, re-initializa-
tion, and user customization can be accomplished either
through the ATA/IDE interface, for ATA Disk Module or
flash drive products, or through the Serial Communication
Interface (SCI), for fully embedded ATA Flash Disk Con-
©2006 Silicon Storage Technology, Inc.
S71241-04-000
12/06
1
The SST logo and SuperFlash are registered trademarks of Silicon Storage Technology, Inc. Some content is reproduced from the CompactFlash
Specification (2.0) by permission of the CompactFlash Association. Other content is reproduced from the ATA/ATAPI-6 (T13/1410D revision 3b) spec-
ification by permission of the National Committee for Information Technology Standards. These specifications are subject to change without notice.



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SST55LD019C Datasheet Preview

SST55LD019C Datasheet

(SST55LD019x) ATA Flash Disk Controller

No Preview Available !

SST55LD019C pdf
ATA Flash Disk Controller
SST55LD019A / SST55LD019B / SST55LD019C
Data Sheet
troller designs.
The SST55LD019A/B/C high-performance ATA Flash
Disk Controller offers sustained read and write perfor-
mance up to 10.0 MB/sec. The SST55LD019A controller
is to be used when the random access performance needs
to be maximized. The SST55LD019B controller is to be
used when the sequential access performance needs to be
maximized. The SST55LD019C controller is to be used
when the flash drive capacity and sequential access perfor-
mance need to be maximized. The SST55LD019A/B/C
can directly support up to 8 flash media devices or,
through simple decoding logic, can support up to 64
flash media devices. Users can select either an internal
or external system clock option for optimal performance vs.
the supply current.
The SST55LD019A/B/C offers added security protection
for confidential information stored in the flash media. It
allows up to four protection zones which can be set by the
user to be Read-only or Hidden (Read-disabled). The ATA
Flash Disk Controller can access the data within the pro-
tected zones through a password-protected command.
The controller also provides a WP_PD# pin to protect criti-
cal information stored in the flash media from unauthorized
overwrites.
The ATA Flash Disk Controller comes pre-programmed
with a 10-byte unique serial ID. For even greater system
security, the user has the option of programming an addi-
tional 10 Bytes of ID space to create a unique, 20-byte ID.
The ATA Flash Disk Controller comes packaged in an
industry-standard, 100-lead TQFP package, an 84-ball
TFBGA package, or a 85-ball VFBGA package for easy
integration into an SMT manufacturing process.
©2006 Silicon Storage Technology, Inc.
2
S71241-04-000
12/06


Part Number SST55LD019C
Description (SST55LD019x) ATA Flash Disk Controller
Maker SST
Total Page 30 Pages
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