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Universal integrated circuit card
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== Design == A UICC consists of a [[Central processing unit|CPU]], [[Read-only memory|ROM]], [[Random access memory|RAM]], [[EEPROM]] and [[Input/output|I/O]] circuits. Early versions consisted of the whole full-size (85 Γ 54 mm, [[ISO/IEC 7810]] ID-1) smart card. Soon the race for smaller telephones called for a smaller version of the card. The card was cropped down to 25 Γ 15 mm (ISO/IEC 7810 ID-000), as illustrated.
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