ST8024CTR datasheet(9/31 Pages) STMICROELECTRONICS

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ST8024

Electrical characteristics

9/31

Electrical characteristics

Table 6.

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)

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

VDD

Supply voltage

2.7

6.5

VDDP

Supply voltage for the

voltage doubler

VCC = 5V; |ICC| < 80 mA

4.0

6.5

VCC = 5V; |ICC| < 20 mA

3.0

6.5

IDD

Supply current

Card Inactive

1.2

Card Active; fCLK = fXTAL; CL = 30pF

1.5

IDDP

DC/DC converter supply

current

Inactive mode

0.1

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

= 0

VCC = 5V; |ICC| = 80 mA

200

VCC = 3V; |ICC| = 65 mA

100

Vth2

Falling threshold voltage

on VDD

no external resistors at pin PORADJ;

VDD level falling

2.35

2.45

2.55

VHYS2

Hysteresis of threshold

voltage Vth2

no external resistors at pin PORADJ

100

150

Vth(ext)rise

External rising threshold

voltage on VDD

external resistor bridge at pin PORADJ;

VDD level rising

1.25

1.28

1.31

Vth(ext)fall

External falling threshold

voltage on VDD

external resistor bridge at pin PORADJ;

VDD level falling

1.19

1.22

1.25

VHYS(ext)

Hysteresis of threshold

voltage Vth(ext)

external resistor bridge at pin PORADJ

ΔVHYS(ext)

Hysteresis of threshold

voltage Vth(ext) variation

with temperature

external resistor bridge at pin PORADJ

0.25

mV/K

Width of internal Power-

On reset pulse

no external resistor at pin PORADJ

external resistor bridge at pin PORADJ

Leakage current on pin

PORADJ

VPORADJ < 0.5 V

-0.1

µA

VPORADJ > 1.0 V

-1

PTOT

Total power dissipation

Continuous operation; Ta = -25 to 85°C

0.56

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