DS8024 データシートの表示（PDF） - Maxim Integrated

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DS8024

Smart Card Interface

Maxim Integrated 

DS8024

Smart Card Interface

RECOMMENDED DC OPERATING CONDITIONS (continued)

(VDD = +3.3V, VDDA = +5.0V, TA = +25°C, unless otherwise noted.) (Note 1)

PARAMETER

SYMBOL

CONTROL PINS (CLKDIV1, CLKDIV2, CMDVCC, RSTIN, 5V/3V)

CONDITIONS

MIN TYP MAX UNITS

Input Low Voltage

VIL

0.3 x

-0.3

VDD

V

Input High Voltage

Input Low Current

Input High Current

Integrated Pullup Resistor

INTERRUPT OUTPUT PIN (OFF)

VIH

IIL_IO

IIH_IO

RPU

0 < VIL < VDD

0 < VIH < VDD

Pullup to VDD, 5V/3V only

0.7 x

VDD

VDD +

0.3

V

5

μA

5

μA

50

85 120

kĀ

Output Low Voltage

Output High Voltage

Integrated Pullup Resistor

PRES, PRES PINS

VOL

VOH

RPU

IOL = 2mA

IOH = -15μA

Pullup to VDD

0

0.3

V

0.75 x

VDD

V

12

20

28

k

Input Low Voltage

VIL_PRES

0.3 x

V

VDD

Input High Voltage

VIH_PRES

0.7 x

V

VDD

Input Low Current

Input High Current

TIMING

IIL_PRES

IIH_PRES

VIL_PRES = 0V

VIH_PRES = VDD

40

μA

40

μA

Activation Time

Deactivation Time

CLK to Card Start Window Start

Time

Window End

PRES/PRES Debounce Time

tACT

tDEACT

t3

t5

tDEBOUNCE

160

μs

80

μs

95

μs

160

8

ms

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

Note 2: IDD_IC measures the amount of current used by the DS8024 to provide the smart card current minus the load.

Note 3: Guaranteed by design, but not production tested.

Maxim Integrated

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