Rainbow-electronics DS8314 Manual do Utilizador descarregar pdf (Página 6)

DS8313/DS8314

Smart Card Interface

6 _______________________________________________________________________________________

RECOMMENDED DC OPERATING CONDITIONS (continued)

= +3.3V, V

DDA

= +5.0V, T

= +25°C, unless otherwise noted. All specifications apply to both the DS8313 and DS8314, unless

otherwise noted in the CONDITIONS column.) (Note 1)

PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS

Input Low Current I

IL_PRES

IL_PR ES

= 0 5 μA

Input High Current I

IH_PRES

= V

10 μA

TIMING

Activation Time t

ACT

50 220 μs

Deactivation Time t

DEACT

50 80 100 μs

Window Start t

50 130

CLK to Card Start

Time

Window End t

140 220

μs

PRES Debounce Time t

DEBOUNCE

5 8 11 ms

Note 1: Operation guaranteed at -40°C and +85°C but not tested.

Note 2: I

DD_IC

measures the amount of current used by the DS8313 to provide the smart card current minus the load.

Note 3: Stop mode is enabled by setting CMDVCC, 5V/3V, and 1_8V to a logic-high.

Note 4: Parameters are guaranteed to meet all ISO 7816, GSM11-11, and EMV 2000 requirements. For the 1.8V card, the maximum

rise and fall time is 10ns.

Note 5: Parameter is guaranteed to meet all ISO 7816, GSM11-11, and EMV 2000 requirements. For the 1.8V card, the minimum

slew rate is 0.05V/µs and the maximum slew rate is 0.5V/µs.

1 2 3 4 5 6 7 8 9 10 11 ... 16 17

DS8313/DS8314 1
Smart Card Interface 1

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