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MICROSDHC 数据表(PDF) 3 Page - Transcend Information. Inc.

部件名 MICROSDHC
功能描述  High Capacity microSD Card
PDF  25 Pages
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制造商  TRANSCEND [Transcend Information. Inc.]
网页  http://www.transcendusa.com
标志 TRANSCEND - Transcend Information. Inc.

MICROSDHC 数据表(HTML) 3 Page - Transcend Information. Inc.

  MICROSDHC Datasheet HTML 1Page - Transcend Information. Inc. MICROSDHC Datasheet HTML 2Page - Transcend Information. Inc. MICROSDHC Datasheet HTML 3Page - Transcend Information. Inc. MICROSDHC Datasheet HTML 4Page - Transcend Information. Inc. MICROSDHC Datasheet HTML 5Page - Transcend Information. Inc. MICROSDHC Datasheet HTML 6Page - Transcend Information. Inc. MICROSDHC Datasheet HTML 7Page - Transcend Information. Inc. MICROSDHC Datasheet HTML 8Page - Transcend Information. Inc. MICROSDHC Datasheet HTML 9Page - Transcend Information. Inc. Next Button
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c
cr
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S
SD
D
DH
H
HC
C
C C
C
Ca
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High Capacity microSD Card
Transcend Information Inc.
3
Bus Operating Conditions
• General
Parameter
Symbol
Min.
Max.
Unit
Remark
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
Remark
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 C US
B
C
itself and the capacitance CCARD of each card connected to this line:
L = CHOST + CBUS + Ν*CCARD
Where N is the number of connected cards.
Parameter
Symbol
Min.
Max.
Unit
Remark
Pull-up resistance
RCMD
RDAT
10
100
k
Ω
To prevent bus floating
Bus signal line capacitance
CL
40
pF
1 card
CHOST+CBUS shall not exceed
30 pF



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