MultiMediaCardTM
3 Product Specifications
3.1 Recommended Operating Conditions
The recommended operating conditions define the parameter ranges for optimal performance and
durability of MultiMediaCard.
Parameter
Supply Voltage
Symbol
Vcc
Min
2.7
Typ
3.0
Max
3.6
Unit
V
Remark
Inputs
Low-level input
voltage
VIL
Vss-0.3
0.258*
Vcc
V
High-level
Input voltage
Outputs High-level
output current
Low-level output
current
VIH
IOH
IOL
fPP
0.625*Vcc
-2
Vcc+0.3
V
mA
mA
MHz
6
Clock
input
clk*1
Clock frequency
data transfer
mode(pp)
0
20
CL<100pF
(10 cards)
Clock frequency
ident. Mode(od)
Clock cycle time
data transfer
mode(pp)
fOD
0
400
KHz
ns
tPP=1/fPP
50
Clock cycle time tOD=1/fPP
ident. Mode(pp)
2.5
10
10
us
ns
ns
ns
ns
ns
ns
ns
ns
Clock low time
tWL
tWH
tLH
tHL
tWL
tWH
tLH
tHL
CL<100pF
(10 cards)
CL<100pF
(10 cards)
CL<100pF
(10 cards)
CL<100pF
(10 cards)
CL<250pF
(30 cards)
CL<250pF
(30 cards)
CL<250pF
(30 cards)
CL<250pF
(30 cards)
Clock high time
Clock input rise
time
10
10
Clock input fall
time
Clock low time
50
50
Clock high time
Clock input rise
time
50
50
Clock input fall
time
13
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