SLSD256BSU STEC, SLSD256BSU Datasheet

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SLSD256BSU

Manufacturer Part Number
SLSD256BSU
Description
Manufacturer
STEC
Type
SD Cardr
Datasheet
1.SLSD256BSU.pdf (22 pages)

Specifications of SLSD256BSU

Density
256MByte
Operating Supply Voltage (typ)
3.3V
Operating Temperature (min)
0C
Operating Temperature (max)
70C
Package Type
Not Required
Pin Count
9
Operating Temperature Classification
Commercial
Operating Supply Voltage (min)
2.7V
Operating Supply Voltage (max)
3.6V
Programmable
Yes
Lead Free Status / RoHS Status
Compliant
Compliant to Specifications
Supports SD and SPI Modes
Variable Clock Rate:
Voltage Range
Low Power Consumption
Extended Data Write/Erase Endurance
Data Retention: 10 years
Power-on damage free card insertion
and removal
Two Operating Temperature Ranges
available:
RoHS compliant lead-free
SD Memory Card Specification Part 1,
Physical Layer Specification V1.1
SD Memory Card Specification Part 2,
File System Specification V1.01
SD Memory Card Specification Part 3
Security Specification V1.01 (CPRM)
Low speed mode: 0 to 25MHz
High speed mode: 26 to 50MHz
Basic communication : 2.0V to 3.6V
(CMD0, CMD15, CMD55, ACMD41)
Normal operating status: 2.7 to 3.6V
Optimized wear leveling algorithm
Hardware ECC to automatically detect
and correct errors
2,000,000 Program/Erase cycles per
block for 128MB, 256MB and 512MB
300,000 Program/Erase cycles per
block for 1GB and 2GB
Commercial: 0 to 70°C
Industrial: -40 to 85°C
128MB to 2GB
Industrial Grade SD Cards
61000-04349-101, September 2006
SLSDxxxBS(I)U
General Description
The Secure Digital Industrial Grades provide a high reliable storage media
in a very small space. The simplicity of the SD and SPI protocols allows
easy host design and integration.
The SD Memory Card support high security level of copyright protection
and an easy to implement interface.
STEC’s Industrial Grade SD cards are specifically designed, manufactured
and tested to withstand extreme environmental conditions and to improve
system reliability and endurance.
At the heart of each card there is an advanced microcontroller that
performs elaborate Flash management including 5 Bytes on-the-fly Error
Detection and 4-Bytes Error Correction (EDC/ECC), bad block
management (BBM) and extensive wear leveling. STEC selects the highest
reliability Single Level Cell (SLC) Flash for its superior endurance.
This combination allows achieving 2,000,000 logical program/erase cycles
for 128MB, 256MB, and 512MB capacities, and 300,000 logical
program/erase cycles for 1GB and 2GB capacities.
STEC manufacturing process and test methodology makes the card more
robust and capable to perform at the extreme temperature conditions.
To assure that each card shipped meets the rigorous threshold set by the
OEM customers, each card is extensively tested at STEC's manufacturing
facility to guarantee perfect functionality in extreme conditions. STEC
provides rigorous bill of material control as an additional guarantee for the
customer, ensuring long term product stability and support.
Ordering Information: SD Card
Legend:
(I) = Industrial temperature range (-40ºC to +85 ºC).
Part numbers without (I) = Commercial temperature range (0ºC to 70ºC).
SLSD1GBBS(I)U
SLSD2GBBS(I)U
SLSD128BS(I)U
SLSD256BS(I)U
SLSD512BS(I)U
Part Number
128 Mbytes
256 Mbytes
512 Mbytes
www.stec-inc.com
1 GBytes
2 GBytes
Capacity
1

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SLSD256BSU Summary of contents

Page 1

... To assure that each card shipped meets the rigorous threshold set by the OEM customers, each card is extensively tested at STEC's manufacturing facility to guarantee perfect functionality in extreme conditions. STEC provides rigorous bill of material control as an additional guarantee for the customer, ensuring long term product stability and support ...

Page 2

SLSDxxxBS(I)U Table of Contents 1.0 Product Specifications........................................................................................................3 1.1 Package Dimensions ................................................................................................................... 3 1.2 Pin Assignment and Signal Description ....................................................................................... 5 1.3 Performance................................................................................................................................. 6 2.0 Environmental Specifications ............................................................................................6 2.1 Recommended Operating Conditions.......................................................................................... 6 2.2 Reliability ...................................................................................................................................... 7 2.3 Durability....................................................................................................................................... 7 2.4 ...

Page 3

SLSDxxxBS(I)U 1.0 Product Specifications 1.1 Package Dimensions Refer to the Table 1, Figure 1, and Figure 2 for package dimensions of the card. Units are in millimeters, and tolerances are ±0.15mm unless otherwise specified. Table 1: Mechanical Dimensions SD Card ...

Page 4

SLSDxxxBS(I)U Figure 2: Mechanical Dimensions SD Card (continued) Industrial Grade SD Card Datasheet 61000-05203-107, March 2008 4 ...

Page 5

SLSDxxxBS(I)U 1.2 Pin Assignment and Signal Description Table 2: SD Mode Pin Assignment and Signal Description Pin Signal Name 1 CD, DAT3 I/O, Push-Pull Drivers 2 CMD Push-Pull Drivers 3 VSS1 4 VDD 5 CLK 6 VSS2 7 DAT0 I/O, ...

Page 6

SLSDxxxBS(I)U 1.3 Performance Measurements are in SD bus mode using HB Bench test. Table 4: SD Card Read/Write Performance Parameter 128MB Sequential Read Up to 12.1 Sequential Write Up to 5.8 Random Read Up to 11.9 Random Write Up to ...

Page 7

SLSDxxxBS(I)U 2.2 Reliability Table 6: SD Card Endurance & Data Retention Parameter Endurance (128MB, 256MB, 512MB) Endurance (1GB, 2GB) Data retention 2.3 Durability Parameter Durability Drop Test Bending Torque Bump Shock Minimum moving force of WP switch WP switch cycles ...

Page 8

SLSDxxxBS(I)U 2.4 Humidity, & ESD Parameter Humidity: Operating Humidity: Storage ESD: Contact Pad, Human Body Model IEC61000-4-2: Charge C=100pF; Discharge R=1.5 K ohm IEC61000-4-2: Charge C=150pF; Discharge R=0 ohm ESD Contact Pad, Machine Model IEC61000-4-2: Charge C=200pF; Discharge R=0 ohm ...

Page 9

SLSDxxxBS(I)U 3.0 Electrical Specifications 3.1 DC Characteristics Measurements are at Recommended Operating Conditions unless otherwise specified. Table 10: SD Card DC Characteristics Symbol Parameter Peak Voltage on all Lines VIL Input LOW Voltage VIH Input HIGH Voltage VOL Output LOW ...

Page 10

SLSDxxxBS(I)U 3.2 Signal Loading The total capacitance the sum of the bus master capacitance C HOST , the bus capacitance C BUS , and the capacitance C CARD of the card connected to the line ...

Page 11

SLSDxxxBS(I)U 3.3 AC Characteristics Table 12: Characteristics Low Speed Mode Parameter Clock frequency in data transfer mode Clock frequency in card id mode Clock low time Clock high time Clock rise time Clock fall time CMD, DAT input setup time ...

Page 12

SLSDxxxBS(I)U Table 13: AC Characteristics High Speed Mode Parameter Clock frequency in data transfer mode Clock low time Clock high time Clock rise time Clock fall time CMD, DAT input setup time CMD, DAT input hold time CMD, DAT output ...

Page 13

SLSDxxxBS(I)U 4.0 Host Access Specifications The following chapters summarize how the host accesses the card: The block diagram in Chapter 4.1 shows how the SD and SPI buses interact with the registers via the controller. Chapter 4.2 summarizes the SD ...

Page 14

SLSDxxxBS(I)U 4.2 SD and SPI Bus Modes The card supports SD and the SPI Bus modes. Application can chose either one of the modes. Mode selection is transparent to the host. The card automatically detects the mode of the reset ...

Page 15

SLSDxxxBS(I)U Industrial Grade SD Card Datasheet Figure 8: SD Bus Topology 61000-05203-107, March 2008 15 ...

Page 16

SLSDxxxBS(I)U 4.2.2 SPI Bus Mode Protocol The Serial Parallel Interface (SPI) Bus is a general purpose synchronous serial interface. The SPI mode consists of a secondary communication protocol. The interface is selected during the first reset command after power up ...

Page 17

SLSDxxxBS(I)U 4.2.3 Mode Selection The SD Memory Card wakes up in the SD mode. It will enter SPI mode if the CS signal is asserted (negative) during the reception of the reset command (CMD0) and the card is in idle_state. ...

Page 18

... Check sum of CID contents — 1 Not used; always=1 OCR bit position VDD voltage window 0 Industrial Grade SD Card Datasheet Table 17: CID Register Description 0x51 0x53 60 STEC (0X5354454320) 1.0 (10) --- 00 --- --- Table 18: OCR Register OCR bit position Reserved 15 1.6-1.7 16 1.7-1.8 17 1.8-1.9 18 1.9-2.0 19 2.0-2.1 20 2.1-2.2 21 2.2-2 ...

Page 19

SLSDxxxBS(I)U Register Name Bit Width CSD_STRUCTURE 2 — 6 TAAC 8 NSAC 8 TRAN_SPEED 8 CCC 12 READ_BL_LEN 4 READ_BL_PARTIAL 1 WRITE_BLK_MISALIGN 1 READ_BLK_MISALIGN 1 DSR_IMP 1 — 2 C_SIZE 12 VDD_R_CURR_MIN 3 VDD_R_CURR_MAX 3 VDD_W_CURR_MIN 3 VDD_W_CURR_MAX 3 C_SIZE_MULT ...

Page 20

SLSDxxxBS(I)U Capacity 128MB 256MB 512MB 1GB 2GB Field SCR_STRUCTURE SD_SPEC DATA_STAT_AFTER_ERASE SD_SECURITY SD_BUS_WIDTHS Reserved Reserved Industrial Grade SD Card Datasheet Table 20: CSD Register values Register value ...

Page 21

SLSDxxxBS(I)U 5.0 Revision History Revision Date Description -101 10/12/07 Initial release -102 10/19/07 Corrected AC parameters -103 11/09/07 Added CID and CSD register values -104 11/27/07 Styles applied for cleaner layout and easier editing. -105 01/03/07 Reduced Program/Erase cycles to ...

Page 22

... Please contact the STEC™ Inc. sales office to obtain the latest specifications. STEC™ Inc. grants no warranty with respect to this datasheet, neither explicit or implied, and is not liable for direct or indirect damages. Some states do not grant the exclusion of incidental damages and as such this statement may not be valid in such states ...

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