SDSDQ-2048-J SanDisk, SDSDQ-2048-J Datasheet - Page 34

• Manufacturer Part Number: SDSDQ-2048-J
• Description: MICRO SD CARD 2GB
• Manufacturer: SanDisk
• Type: Secure Digitalr

Specifications of SDSDQ-2048-J

• Memory Size: 2GB
• Memory Type: Memory Card - microSD™
• Density: 2GByte
• Operating Supply Voltage (typ): 3.3V
• Operating Temperature (min): -25C
• Operating Temperature (max): 85C
• Package Type: MicroSD
• Mounting: Socket
• Pin Count: 8
• Operating Temperature Classification: Commercial
• Operating Supply Voltage (min): 2.7V
• Operating Supply Voltage (max): 3.6V
• Programmable: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 585-1222; SDSDQ-2048-J

SD Card Protocol Description
SanDisk SD Card Product Family Product Manual
CRC7 and CRC16 are provided in Section 4.5 of the SDA Physical Layer Specification,
Version 2.00.
Error Conditions
See Section 4.6 of the SDA Physical Layer Specification, Version 2.00.
Commands
See Section 4.7 of the SDA Physical Layer Specification, Version 2.00 for detailed
information about card commands in the SanDisk SD Card Product Family.
Card State Transition
In SD cards, the state transition is dependent on the received command. The transition is
defined in Section 4.8 of the SDA Physical Layer Specification, Version 2.00 along with
responses sent on the command line.
Timing Diagrams and Values
See Section 4.12 of the SDA Physical Layer Specification, Version 2.00.
Speed Class Specification
The speed class specification classifies card performance by speed class number and offers the
method to calculate performance. For more information, refer to Section 4.13 of the SDA
Physical Layer Specification, Version 2.00.
Erase Timeout Calculation
See Section 4.14 of the SDA Physical Layer Specification, Version 2.00.
06/07, Rev. 2.2
4-2
© 2007 SanDisk Corporation