64MB/128MB/256MB/512MB Secure Digital Card

Eorex Corporation

www.eorex.com

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As the bus can be supplied with a variable supply voltage, all signal levels are related

to the supply voltage.

To meet the requirements of the JEDEC specification JESD8-1A, the card input and

voltage range:

Parameter

Symbol

Min

Max

Unit

Remark

Output HIGH voltage

0.75*

V

Output LOW voltage

0.125*

V

Input HIGH voltage

0.625*

V

Input LOW voltage

0.25*

V