SanDisk 4GB micro SDHC Memory Card for Product Manual - Page 13

System Performance

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SanDisk microSD™, microSDHC™ and microSDXC™ cards OEM Product Manual 2.5 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 Block Write Access Time ACMD41 to ready after power-up 100 ms 250 ms for SDHC, 500ms for SDXC 1s January 2012 Version 2.5 © 2008 - 2012 SanDisk Corporation. SanDisk Confidential, subject to all applicable non-disclosure agreements 8

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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