SanDisk SDSDH-1024 Product Manual - Page 16

Typical Card Power Requirements, System Performance, System Reliability and Maintenance

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Revision 2.2 Chapter 2 - Product Specifications SanDisk SD Card Product Manual 2.4 Typical Card Power Requirements Table 2-3 Card Power Requirements (Ta=25°[email protected]) VDD (ripple: max, 60mV peak-to-peak) Value Sleep 250 Read 65 Write 75 2.7 V - 3.6 V Measurement uA mA mA Average Max Max Max 2.5 System Performance All performance values for the SD Card in Table 2-4 are under the following conditions: • Voltage range 2.7 V to 3.6 V • Temperature -25° C to 85° C • Independent of the SD Card clock frequency Table 2-4 System Performance Timing Block Read Access Time Typical 0.5 ms Maximum 100 ms Block Write Access Time 0.5 ms 250 ms CMD1 to Ready after Power-up Sleep to Ready 50 ms 1 ms 500 ms 2 ms 2.6 System Reliability and Maintenance Table 2-5 Reliability and Maintenance Specifications MTBF >1,000,000 hours Preventative Maintenance Data Reliability None

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Chapter 2 – Product Specifications
Revision 2.2
SanDisk SD Card Product Manual
© 2004 SanDisk Corporation
2-2
12/08/04
2.4
Typical Card Power Requirements
Table 2-3
Card Power Requirements (Ta=25°[email protected])
VDD (ripple: max, 60mV peak-to-peak)
2.7 V – 3.6 V
Value
Measurement
Average
Sleep
250
uA
Max
Read
65
mA
Max
Write
75
mA
Max
2.5
System Performance
All performance values for the SD Card in Table 2-4 are under the following conditions:
•
Voltage range 2.7 V to 3.6 V
•
Temperature -25° C to 85° C
•
Independent of the SD Card clock frequency
Table 2-4
System Performance
Timing
Typical
Maximum
Block Read Access Time
0.5 ms
100 ms
Block Write Access Time
0.5 ms
250 ms
CMD1 to Ready after
Power-up
50 ms
500 ms
Sleep to Ready
1 ms
2 ms
2.6
System Reliability and Maintenance
Table 2-5
Reliability and Maintenance Specifications
MTBF
>1,000,000 hours
Preventative Maintenance
None
Data Reliability
<1 non-recoverable error in 10
14
bits read
Endurance
100,000 write and erase cycles (typical)