UTDA8024

Preliminary

LINEAR INTEGRATED CIRCUIT

UNISONICTECHNOLOGIESCO.,LTD

9 of 15

www.unisonic.com.tw

QW-R113-014.a



ELECTRICAL CHARACTERISTICS (Cont.)

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

0

0.2

V

LOW-Level Output Voltage

V

V

HIGH-Level Output Voltage

0

0.4

V

Rise Time

0.1

µs

Fall Time

0.1

µs

Clock output to card reader (pin CLK)

No Load

0

0.1

V

Output Voltage

0

0.3

V

Output Current

CLK Inactive, Pin Grounded

0

-1

mA

0

0.3

V

LOW-Level Output Voltage

V

V

HIGH-Level Output Voltage

0

0.4

V

Rise Time

16

ns

Fall Time

16

ns

δ

45

55

%

Slew Rate

SR

0.2

V/ns

Control inputs (pins CLKDIV1, CLKDIV2, CMDVCC, RSTIN and 5V/3V) (Note 6)

LOW-Level Input Voltage

-0.3

V

HIGH-Level Input Voltage

V

LOW-Level Input Leakage Current

LIL

I

1

µA

HIGH-Level Input Leakage Current

LIH

I

1

µA

Card presence inputs (pins PRES and PRES) (Note 7)

LOW-Level Input Voltage

-0.3

V

HIGH-Level Input Voltage

V

LOW-Level Input Leakage Current

LIL

I

5

µA

HIGH-Level Input Leakage Current

LIH

I

5

µA

LOW-Level Output Voltage

0

0.3

V

HIGH-Level Output Voltage

V

Integrated Pull-Up Resistor

16

20

24

kΩ

Protection and limitation

Shutdown and Limitation Current

)

sd

(

CC

I

130

150

mA

Limitation Current Pins I/O, AUX1

and AUX2

-15

+15

mA

Limitation Current Pin CLK

-70

+70

mA

Limitation Current Pin RST

-20

+20

mA

Shut-Down Temperature

150

°C

Timing

Activation Time

see Fig.1

50

220

µs

Deactivation Time

see Fig.3

50

80

100

µs

Start of the Window for Sending

CLK to the Card

see Fig.1&2

50

130

µs

End of the Window for Sending

CLK to the Card

see Fig.1&2

140

220

µs

Debounce Time Pins PRES

And PRES

see Fig.4

5

8

11

ms