Transcend Secure Digital Card TS1GSDG, TS2GSDG Specification Sheet

T

S

1

T

S

1

T

S

1

Description

G

G

G

~

~

~

2

2

2

G

G

G

S

S

S

D

D

D

G

G

G

Secure Digital Card

Features

Secure Digital Card of high capacity but economic

cost. It is specifically designed to meet the security,

capacity and small form factor requirements in newly

emerging audio and video consumer electronic

devices. Transcend Secure Digital Card can lead you

to a colorful digital world.

Placement

Front Back

• ROHS compliant product

• Operating Voltage: 2.7 ~ 3.6V

• Operating Temperature: -25 ~ 85°C

• Insertion/removal durability: 10,000 cycles

• Fully compatible with SD card spec. v1.1

• Mechanical Write Protection Switch

• Forward compatibility to MultiMediaCard Version 2.11

• Supports Copy Protection for Recorded Media(CPRM) for

music and other commercial media

• Form Factor: 24mm x 32mm x 2.1mm

Pin Definition

Pin No.

1

2

3

4

5

6

7

8

9

Transcend Information Inc.

Name Type Description Name Type Description

CD/DAT

CMD PP Command/Response

V

SS1

V

DD

CLK I Clock

V

SS2

DAT0 I/O/PP Data Line [Bit0]

DAT1 I/O/PP Data Line [Bit1]

DAT2

3

I/O/PP

S Supply voltage ground

S Supply voltage

S Supply voltage ground

I/O/PP Data Line [Bit2] RSV

SD Mode SPI Mode

Card Detect/Data Line [Bit3]

1

CS I

DI I

VSS S

VDD S

SCLK I

VSS2 S

DO O/PP

RSV

Chip Select (neg true)

Data In

Supply voltage ground

Supply voltage

Clock

Supply voltage ground

Data Out

T

S

1

G

~

2

G

S

T

S

1

G

~

2

T

S

1

G

~

2

G

G

S

S

D

D

D

G

G

G

Secure Digital Card

Architecture

Transcend Information Inc.

2

SS1

G

G

G

DD

, V

) -0.3 0.3 V

SS2

2.0 3.6 V CMD0, 15,55,ACMD41

Secure Digital Card

commands

ACMD41 commands

DD

T

S

1

G

~

2

G

S

T

S

1

G

~

2

T

S

1

G

Bus Operating Conditions

• General

Peak voltage on all lines -0.3 VDD+0.3 V

All Inputs

Input Leakage Current -10 10 µA

All Outputs

Output Leakage Current -10 10 µA

• Power Supply Voltage

Supply voltage V

Supply voltage specified in OCR register 2.7 3.6 V Except CMD0, 15,55,

Supply voltage differentials (V

Power up time 250 ms From 0v to V

Note. The current consumption of any card during the power-up procedure must not exceed 10 mA.

G

~

2

G

Parameter Symbol Min. Max. Unit Remark

Parameter Symbol Min. Max. Unit Remark

S

S

D

D

D

• Bus Signal Line Load

Min.

The total capacitance C
capacitance C
C

= C

L

HOST

Where N is the number of connected cards. Requiring the sum of the host and bus capacitances not to exceed 30 pF for
up to 10 cards, and 40 pF for up to 30 cards, the following values must not be exceeded:

Bus signal line capacitance C

Single card capacitance C

Maximum signal line inductance 16 nH f

Pull-up resistance inside card (pin1) R

Note that the total capacitance of CMD and DAT lines will be consist of C
connected separately to the SD Memory Card host.

Pull-up resistance R

Bus signal line capacitance C

Transcend Information Inc.

itself and the capacitance C

BUS

+ C

BUS

Parameter Symbol Min. Max. Unit Remark

Parameter Symbol Min. Max. Unit Remark

the CLK line of the SD Memory Card bus is the sum of the bus master capacitance C

L

of each card connected to this line:

CARD

+ Ν*C

CARD

CMD

L

CARD

DAT3

, R

L

DAT

100 pF f

10 pF

10 90 kΩ May be used for card

, C

HOST

10 100 kΩ To prevent bus floating

250 pF f

3

and one C

BUS

≤ 20 MHz, 7 cards

PP

≤ 20 MHz

PP

detection

≤ 5 MHz, 21 cards

PP

HOST

only since they are

CARD

, the bus