SLSDM256BU STEC, SLSDM256BU Datasheet - Page 10

• Manufacturer Part Number: SLSDM256BU
• Manufacturer: STEC
• Type: MicroSD Cardr

Specifications of SLSDM256BU

• Density: 256MByte
• Operating Supply Voltage (typ): 3.3V
• Operating Temperature (min): 0C
• Operating Temperature (max): 70C
• Package Type: Not Required
• Pin Count: 8
• Operating Temperature Classification: Commercial
• Operating Supply Voltage (min): 2.7V
• Operating Supply Voltage (max): 3.6V
• Programmable: Yes
• Lead Free Status / RoHS Status: Compliant

SLSDMxxxB(I)U
3.3
Notes:
1.
2.
3.
4.
Clock frequency in data transfer
mode
Clock frequency in card id mode
Clock low time
Clock high time
Clock rise time
Clock fall time
Clock low time
Clock high time
Clock rise time
Clock fall time
CMD, DAT input setup time
CMD, DAT input hold time
Output delay time during Data
Transfer Mode
Output delay time during
Identification Mode
Rise and fall times are measured from 10% to 90% of voltage level.
CLK referenced to VIH min and VIL max.
CMD and DAT inputs and outputs referenced to CLK.
0Hz means to stop the clock. The given minimum frequency range is for cases where a continuous clock is
required.
AC Characteristics
Parameter
Table11: AC Characteristics Low Speed Mode
Symbol
tODLY
tODLY
tTLH
tTHL
tTLH
tTHL
tWH
tWH
tISU
Fpp
Fod
tWL
tWL
tIH
61000-04581-104, July 2007
Min
10
10
50
50
0
0
5
5
0
0
Max
400
25
10
10
50
50
14
50
Industrial Grade microSD Card Datasheet
MHz
Unit
KHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
CMD,DAT Reference to CLK
CMD,DAT Reference to CLK
CMD,DAT Reference to CLK
CMD,DAT Reference to CLK
C
C
C
C
C
C
C
C
C
C
L
L
L
L
L
L
L
L
L
L
≤250pF (21 cards)
≤250pF (21 cards)
≤250pF (21 cards)
≤250pF (21 cards)
≤250pF (21 cards)
≤100pF (7 cards)
≤100pF (7 cards)
≤100pF (7 cards)
≤100pF (7 cards)
≤100pF (7 cards)
Notes
10