SanDisk microSD™, microSDHC™ and microSDXC™ cards
OEM Product Manual
2.5
January 2012 Version 2.5 © 2008 - 2012 SanDisk Corporation. SanDisk Confidential, subject to all applicable non-disclosure agreements
8
2.1.2
System Performance
This section provides the system performance specifications for the SanDisk microSD
Card Product Family. All performance values in Table 3 were measured under the
following conditions:
•
Voltage range 2.7 to 3.6V
•
Temperature -25°C to 85°C
•
Independent of card clock frequency
Table 3: System Performance
Timing
Maximum Value
Block Read Access Time
100 ms
Block Write Access Time
250 ms for SDHC,
500ms for SDXC
ACMD41 to ready after power-up
1s
