ST8024CDR View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

ST8024CDR

Smartcard interface

STMicroelectronics 

ST8024

4

Electrical characteristics

Electrical characteristics

Table 6.

Symbol

Electrical characteristics over recommended operating condition (VDD = 3.3 V, VDDP =

5 V, fXTAL = 10 MHz, unless otherwise noted. Typical values are to TA = 25 °C)

Parameter

Test Conditions

Min. Typ. Max. Unit

VDD

VDDP

Supply voltage

Supply voltage for the

voltage doubler

IDD

Supply current

VCC = 5V; |ICC| < 80 mA

VCC = 5V; |ICC| < 20 mA

Card Inactive

Card Active; fCLK = fXTAL; CL = 30pF

Inactive mode

IDDP

DC/DC converter supply

current

Active mode; fCLK = fXTAL; CL = 30pF; |ICC|

=0

VCC = 5V; |ICC| = 80 mA

VCC = 3V; |ICC| = 65 mA

Vth2

Falling threshold voltage no external resistors at pin PORADJ;

on VDD

VDD level falling

VHYS2

Hysteresis of threshold

voltage Vth2

no external resistors at pin PORADJ

Vth(ext)rise

External rising threshold

voltage on VDD

external resistor bridge at pin PORADJ;

VDD level rising

Vth(ext)fall

External falling threshold external resistor bridge at pin PORADJ;

voltage on VDD

VDD level falling

VHYS(ext)

Hysteresis of threshold

voltage Vth(ext)

external resistor bridge at pin PORADJ

Hysteresis of threshold

ΔVHYS(ext) voltage Vth(ext) variation

with temperature

external resistor bridge at pin PORADJ

tW

Width of internal Power- no external resistor at pin PORADJ

On reset pulse

external resistor bridge at pin PORADJ

IL

PTOT

Leakage current on pin

PORADJ

Total power dissipation

VPORADJ < 0.5 V

VPORADJ > 1.0 V

Continuous operation; Ta = -25 to 85°C

2.7

4.0

3.0

2.35

50

1.25

1.19

30

4

8

-0.1

-1

5

2.45

100

1.28

1.22

60

8

16

4

6.5 V

6.5

V

6.5

1.2

mA

1.5

0.1

10

mA

200

100

2.55 V

150 mV

1.31 V

1.25 V

90 mV

0.25 mV/K

12

ms

24

10

µA

1

0.56 W

9/31

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