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AT90SCR100 Datasheet(PDF) 415 Page - ATMEL Corporation |
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AT90SCR100 Datasheet(HTML) 415 Page - ATMEL Corporation |
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415 / 433 page  415 TPR0327AY–SMS–30Jan09 AT90SCR100 31.7 Smart Card Interface Characteristics All Characteristics contained in this section are based on characterization of other products. These values are preliminary values representing design targets, and will be updated after characterization of silicon This datasheet is only a preliminary version. All values indicated here are indica- tive values, describing what the product should achieve. ALL THESE VALUES ARE TO BE CONFIRMED OR TO BE DEFINED Caution ! Caution ! Table 31-6. Smart Card Class A, 5V (CVcc) Symbol Parameter Min Typ Max Unit Test Conditions CVCC Smart card voltage with Vcc = 2.7V to 2.85V with Vcc > 2.85V 4.6 4.6 5 5 5.4 5.4 V Load = 50mA Load = 60mA Spikes on CVCC TBD V Vcardok up Vcardok high level threshold TBD V Vcardok down Vcardok low level threshold TBD V TVHL CVCC valid to 0.4V TBD TBD μs TVLH CVCC 0 to valid TBD TBD μs Table 31-7. Smart Card Class B, 3V (CVcc) Symbol Parameter Min Typ Max Unit Test Conditions CVCC Smart card voltage with Vcc = 2.7V to 2.85V with Vcc > 2.85V 2.76 2.76 3 3 3.24 3.24 V Load = 50mA Load = 60mA Spikes on CVCC TBD V Vcardok up Vcardok high level threshold TBD V Vcardok down Vcardok low level threshold TBD V TVHL CVCC valid to 0.4V TBD TBD μs TVLH CVCC 0 to valid TBD TBD μs Table 31-8. Smart Card C, 1.8V (CVcc) Symbol Parameter Min Typ Max Unit Test Conditions CVCC Smart card voltage 1.66 1.8 1.944 V Load = 35mA Spikes on CVCC TBD V Vcardok up Vcardok high level threshold TBD V |
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