User Manual

Introduction to the TriFlash with SD Interface
1-2 TriFlash with SD Interface Product Manual (Preliminary), Rev. 1.2 © 2002/2003 SANDISK CORPORATION
1.1. Scope
This document describes the key features and specifications of the TriFlash with SD interface, as well as the
information required to interface this product to a host system.
1.2. Product Models
The TriFlash is available in the capacities shown in Table 1-1.
Table 1-1. TriFlash Capacities
SD Model No. Capacities
SDAT2FAH-128 128 Mb
SDBT2FAH-256 256 Mb
SDBT2FCH-512 512 Mb
SDBT2FCH-1024 1024 Mb
1.3. System Features
TriFlash provides the following system features:
• Up to 1024 Mbits of data storage.
• SD Memory Card protocol compatible.
• Supports SPI Mode.
• Targeted for portable and stationary applications for secured (copyrights protected) and non-secured
data storage.
• Voltage range:
− Basic communication (CMD0, CMD15, CMD55, ACMD41): 2.0—3.6V.
− Other commands and memory access: 2.7—3.6V.
• Variable clock rate 0—25 MHz.
• Up to 12.5MByte/sec data transfer rate (using 4 parallel data lines).
• Maximum data rate with up to 10 devices or cards.
• Correction of memory field errors.
• Optional Copyrights Protection Mechanism—Complies with highest security of SDMI standard.
• Built-in write protection features (permanent and temporary).
• Application specific commands.
• Comfortable erase mechanism.
• Standard footprint across all capacities.