SD80 Transcend Information, SD80 Datasheet - Page 3

• Manufacturer Part Number: SD80
• Description: 128MB~2GB SD80Cards
• Manufacturer: Transcend Information

Transcend Information Inc.
Bus Operating Conditions
• General
• Power Supply Voltage
•
The total capacitance C
capacitance C
C
Note that the total capacitance of CMD and DAT lines will be consist of C
connected separately to the SD Memory Card host.
S
S
Peak voltage on all lines
All Inputs
Input Leakage Current
All Outputs
Output Leakage Current
Supply voltage
Supply voltage specified in OCR register
Supply voltage differentials (V
Power up time
Bus signal line capacitance
Single card capacitance
Maximum signal line inductance
Pull-up resistance inside card (pin1)
Pull-up resistance
Bus signal line capacitance
S
L
Bus Signal Line Load
= C
D
D
D
HOST
8
8
8
0
0
0
+ C
BUS
BUS
s
s
s
Parameter
Parameter
Parameter
Parameter
itself and the capacitance C
e
e
+ Ν*C
e
r
r
r
i
L
i
i
CARD
e
the CLK line of the SD Memory Card bus is the sum of the bus master capacitance C
e
e
s
s
s
SS1
, V
SS2
)
R
Symbol
Symbol
Symbol
Symbol
CMD
CARD
C
R
V
C
CARD
C
DAT3
, R
DD
L
L
of each card connected to this line:
DAT
3
Min.
Min.
Min.
Min.
-0.3
-0.3
-10
-10
2.0
2.7
10
10
VDD+0.3
Max.
Max.
Max.
Max.
250
100
100
250
3.6
3.6
0.3
10
10
10
16
90
HOST
, C
Unit
Unit
Unit
Unit
BUS
ms
µA
µA
nH
kΩ
kΩ
pF
pF
pF
V
V
V
V
and one C
128MB~2GB SD80 Cards
CMD0, 15,55,ACMD41
commands
Except CMD0, 15,55,
ACMD41 commands
From 0v to V
f
f
May be used for card
detection
To prevent bus floating
f
PP
PP
PP
≤ 20 MHz, 7 cards
≤ 20 MHz
≤ 5 MHz, 21 cards
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CARD
Remark
Remark
Remark
Remark
only since they are
DD
Min.
HOST
, the bus