Transcend TS4GSDHC2, TS16GSDHC2, TS8GSDHC2, TS32GSDHC2 DATASHEET

SDHC Card series

4~32GB High Capacity Secure Digital Card

Description		Features
Transcend High Capacity SD Card series are		•	RoHS compliant product.
specifically designed to meet the High Capacity, High		•	Card Lid material: PC (comply with UL94,Flame
Definition Audio and Video requirement for the latest		Class:HB)
Digital Cameras, DV Recorders, Mobile Phones, etc,.		•	Operating Voltage: 2.7 ~ 3.6V
The new defined Speed Class enables the host to		•	Operating Temperature: -25 ~ 85°C
support AV applications to perform real time		•	Durability: 10,000 insertion/removal cycles
recording to the SD memory card.		•	Compatible with SD Specification Ver. 2.0
		•	Comply with SD File System Specification Ver. 2.0
Placement		•	Mechanical Write Protection Switch
		•	Supports Speed Class Specification up to Class 2
		•	Supports Copy Protection for Recorded Media (CPRM)
		for SD-Audio
		•	Seamless compatibility with SDMI-compliant digital audio
		devices
		•	Form Factor: 24mm x 32mm x 2.1mm
Front	Back

Pin Definition

Pin No.			SD Mode			SPI Mode
	Name	Type	Description		Type	Description
1	CD/DAT	I/O/PP3	Card Detect/Data Line [Bit3]	CS	I	Chip Select (neg true)
2	CMD	PP	Command/Response	DI	I	Data In
3	VSS1	S	Supply voltage ground	VSS	S	Supply voltage ground
4	VDD	S	Supply voltage	VDD	S	Supply voltage
5	CLK	I	Clock	SCLK	I	Clock
6	VSS2	S	Supply voltage ground	VSS2	S	Supply voltage ground
7	DAT0	I/O/PP	Data Line [Bit0]	DO	O/PP	Data Out
8	DAT1	I/O/PP	Data Line [Bit1]	RSV
9	DAT2	I/O/PP	Data Line [Bit2]	RSV

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SDHC Card series

4~32GB High Capacity Secure Digital Card

Architecture

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SDHC Card series

4~32GB High Capacity Secure Digital Card

Bus Operating Conditions

• General

Parameter	Symbol		Min.	Max.	Unit
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

Parameter	Symbol	Min.	Max.	Unit
Supply voltage	VDD	2.7	3.6	V
Output High Voltage	VOH	0.75* VDD		V	IOH=-100uA@VDD Min.
Output Low Voltage	VOL		0.125* VDD	V	IOL=100uA@VDD Min.
Input High Voltage	VIH	0.625* VDD	VDD+0.3	V
Input Low Voltage	VIL	VSS-0.3	0.25* VDD	V
Power up time			250	ms	From 0v to VDD Min.

• Current Consumption

The current consumption is measured by averaging over 1 second.

Before first command: Maximum 15 mA

During initialization: Maximum 100 mA

Operation in Default Mode: Maximum 100 mA

Operation in High Speed Mode: Maximum 200 mA

Operation with other functions: Maximum 500 mA.

•Bus Signal Line Load

The total capacitance CL the CLK line of the SD Memory Card bus is the sum of the bus master capacitance CHOST, the bus capacitance CBUS itself and the capacitance CCARD of each card connected to this line:

CL = CHOST + CBUS + Ν*CCARD

Where N is the number of connected cards.

	Parameter	Symbol	Min.	Max.	Unit
	Pull-up resistance	RCMD	10	100	kΩ	To prevent bus floating
		RDAT
	Bus signal line capacitance	CL		40	pF	1 card
						CHOST+CBUS shall not exceed
						30 pF
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SDHC Card series

4~32GB High Capacity Secure Digital Card

Single card capacitance	CCARD		10	pF
Maximum signal line inductance			16	nH	fPP ≤ 20 MHz
Pull-up resistance inside card (pin1)	RDAT3	10	90	kΩ	May be used for card
					detection

Note that the total capacitance of CMD and DAT lines will be consist of CHOST, CBUS and one CCARD only because they are connected separately to the SD Memory Card host.

Host should consider total bus capacitance for each signal as the sum of CHOST, CBUS, and CCARD, these parameters are defined by per signal. The host can determine CHOST and CBUS so that total bus capacitance is less than the card estimated capacitance load (CL=40 pF). The SD Memory Card guarantees its bus timing when total bus capacitance is less than

maximum value of CL (40 pF).

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SDHC Card series

4~32GB High Capacity Secure Digital Card

• Bus Signal Levels

As the bus can be supplied with a variable supply voltage, all signal levels are related to the supply voltage.

To meet the requirements of the JEDEC specification JESD8-1A and JESD8-7, the card input and output voltages shall be within the following specified ranges for any VDD of the allowed voltage range:

Parameter	Symbol	Min.	Max.	Unit	Remark
Output HIGH voltage	VOH	0.75* VDD		V	IOH = -100 µA @VDD min
Output LOW voltage	VOL		0.125* VDD	V	IOL = -100 µA @VDD min
Input HIGH voltage	VIH	0.625* VDD	VDD + 0.3	V
Input LOW voltage	VIL	VSS – 0.3	0.25* VDD	V

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SDHC Card series

4~32GB High Capacity Secure Digital Card

• Bus Timing

Parameter

Symbol

Min

Max.

Unit

Remark

Clock CLK (All values are referred to min (VIH) and max (VIL)

	Clock frequency Data Transfer Mode	fPP	0	25	MHz	CCARD ≤ 10 pF, (1 card)
	Clock frequency Identification Mode	fOD	0(1)/100	400	KHz	CCARD ≤ 10 pF, (1 card)
	Clock low time	tWL	10		ns	CCARD ≤ 10 pF, (1 card)
	Clock high time	tWH	10		ns	CCARD ≤ 10 pF, (1 card)
	Clock rise time	tTLH		10	ns	CCARD ≤ 10 pF, (1 card)
	Clock fall time	tTHL		10	ns	CCARD ≤ 10 pF, (1 card)
	Inputs CMD, DAT (referenced to CLK)
	Input set-up time	tISU	5		ns	CCARD ≤ 10 pF, (1 card)
	Input hold time	tIH	5		ns	CCARD ≤ 10 pF, (1 card)
	Outputs CMD, DAT (referenced to CLK)
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SDHC Card series

4~32GB High Capacity Secure Digital Card

Output Delay time during Data Transfer Mode	tODLY	0	14	ns	CL ≤ 40 pF, (1 card)
Output Delay time during Identification Mode	tODLY	0	50	ns	CL ≤ 40 pF, (1 card)

(1) 0 Hz means to stop the clock. The given minimum frequency range is for cases were continues clock is required

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SDHC Card series

4~32GB High Capacity Secure Digital Card

• Bus Timing (High Speed Mode)

Parameter

Symbol

Min

Max.

Unit

Remark

Clock CLK (All values are referred to min (VIH) and max (VIL)

	Clock frequency Data Transfer Mode	fPP	0	50	MHz	CCARD ≤ 10 pF, (1 card)
	Clock low time	tWL	7		ns	CCARD ≤ 10 pF, (1 card)
	Clock high time	tWH	7		ns	CCARD ≤ 10 pF, (1 card)
	Clock rise time	tTLH		3	ns	CCARD ≤ 10 pF, (1 card)
	Clock fall time	tTHL		3	ns	CCARD ≤ 10 pF, (1 card)
	Inputs CMD, DAT (referenced to CLK)
	Input set-up time	tISU	6		ns	CCARD ≤ 10 pF, (1 card)
	Input hold time	tIH	2		ns	CCARD ≤ 10 pF, (1 card)
	Outputs CMD, DAT (referenced to CLK)
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