SLSDM256BU STEC, SLSDM256BU Datasheet - Page 2

• Manufacturer Part Number: SLSDM256BU
• Manufacturer: STEC
• Type: MicroSD Cardr

Specifications of SLSDM256BU

• Density: 256MByte
• Operating Supply Voltage (typ): 3.3V
• Operating Temperature (min): 0C
• Operating Temperature (max): 70C
• Package Type: Not Required
• 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: Compliant

SLSDMxxxB(I)U
Table of Contents
1.0 Product Specifications........................................................................................................3
2.0 Environmental Specifications ............................................................................................6
3.0 Electrical Specifications .....................................................................................................8
4.0 Host Access Specifications..............................................................................................13
5.0 Revision History ................................................................................................................22
1.1 Package Dimensions and Pin Locations...................................................................................... 3
1.2 Pin Assignment and Signal Description ....................................................................................... 5
1.3 Performance................................................................................................................................. 6
2.1 Recommended Operating Conditions.......................................................................................... 6
2.2 Reliability ...................................................................................................................................... 7
2.3 Humidity & ESD............................................................................................................................ 8
3.1 DC Characteristics ....................................................................................................................... 8
3.2 Signal Loading.............................................................................................................................. 9
3.3 AC Characteristics...................................................................................................................... 10
4.1 Functional Block Diagram .......................................................................................................... 13
4.2 SD and SPI Bus Modes.............................................................................................................. 14
4.2.1 SD Bus Mode Protocol............................................................................................................ 14
4.2.2 SPI Bus Mode Protocol........................................................................................................... 16
4.2.3 Mode Selection ....................................................................................................................... 17
4.3 Card Registers ........................................................................................................................... 18
61000-04581-104, July 2007
Industrial Grade microSD Card Datasheet
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