參數(shù)資料
型號： HB28L064MM3
廠商： Renesas Technology Corp.
英文描述： MultiMediaCard 32 MByte/64 MByte/128 MByte/256 MByte/512 MByte
中文描述： 多媒體32 MByte/64 MByte/128 MByte/256 MByte/512字節(jié)
文件頁數(shù)： 80/91頁
文件大?。?/td> 526K
代理商： HB28L064MM3
HB28K032/L064/J128/J256/J512MM3, HB28K032/L064/J128/J256RM3
Rev.0.02, Sep.15.2004, page 80 of 89
Absolute Maximum Ratings
Absolute maximum ratings are those values beyond which damage to the device may occur. Functional
operation under these conditions or at any other condition beyond those indicated in the operational
sections of this specification is not implied:
Parameter
Symbol Min
Max
Unit
Remark
Supply voltage
V
CC
P
d
0.5
4
4.6
V
Total power dissipation
288
mW
ESD
protection
Contact Pads
4
kV
Human body model
according to ANSI/EOS
ESD-S5.1-1998
Non Contact Pads
coupling plane discharge
8
8
kV
Human body model
according to IEC61000-4-2
Non Contact Pads
air discharge
15
15
kV
Inputs
Input voltage
V
Imax
V
Omax
I
OHmax
I
OLmax
0.5
0.5
100
V
CC
+ 0.5 V
V
CC
+ 0.5 V
150
≤
max (V
CC
)
≤
max (V
CC
)
Short cut protected
Outputs
Output voltage
High-level output current
mA
Low-level output current
mA
Short cut protected
Bus Signal Line Load
The total capacitance C
L
of each line of the MultiMediaCard bus is the sum of the bus master capacitance
C
HOST
, the bus capacitance C
BUS
itself and the capacitance C
CARD
of each card connected to this line:
C
L
=
C
HOST
+
C
BUS
+
N
*
C
CARD
where N is the number of connected cards. Requiring the sum of the host and bus capacitance
’
s 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:
Parameter
Symbol
Min
Max
Unit
Remark
Pull-up resistance for CMD
R
CMD
R
DAT
C
L
4.7
100
k
k
pF
to prevent bus floating
Pull-up resistance for DAT
50
100
to prevent bus floating
f
≤
5 MHz,
30 cards
f
≤
20 MHz,
10 cards
f
PP
≤
20 MHz
Bus signal line capacitance
250
Bus signal line capacitance
C
L
100
pF
Maximum signal line inductance
Note: 1. The value of pull-up resistance should be optimized according to the host system.
16
nH
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