SST55LD019A Silicon Storage Technology, Inc., SST55LD019A Datasheet - Page 2

• 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.

Advance Information
The SST55LD019A/B/C high-performance ATA Flash
Disk Controller offers sustained write performance up to
10.0 MB/sec. The SST55LD019A controller is to be used
when the random access performance needs to be maxi-
mized. The SST55LD019B controller is to be used when
the sequential access performance needs to be maxi-
mized. 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 255
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
TABLE OF CONTENTS
PRODUCT DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
LIST OF FIGURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
LIST OF TABLES. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
©2004 Silicon Storage Technology, Inc.
5.0 MANUFACTURING SUPPORT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
6.0 EXTERNAL CLOCK INTERFACE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
7.0 SECURITY FEATURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
8.0 CONFIGURABLE WRITE PROTECT/POWER-DOWN MODES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
9.0 POWER-ON AND BROWN-OUT RESET CHARACTERISTICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
1.0 GENERAL DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.0 FUNCTIONAL BLOCKS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3.0 PIN ASSIGNMENTS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
4.0 CAPACITY SPECIFICATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
4.1 Functional Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
5.1 ATA/IDE Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
5.2 Serial Communication Interface (SCI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
8.1 Write Protect Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
8.2 Power-down Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
SST55LD019A / SST55LD019B / SST55LD019C
2
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 64-lead TQFP package (reduced
function) for easy integration into an SMT manufacturing
process.
ATA Flash Disk Controller
S71241-02-000
4/04