ST8034AT datasheet(13/39 Pages) STMICROELECTRONICS

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Electrical characteristics

ST8034T, ST8034AT, ST8034P, ST8034C

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DocID024587 Rev 4

Electrical characteristics

Electrical characteristics over recommended operating conditions

Table 7. Supply voltages

Symbol

Parameter

Test conditions(1)

Min.

Typ.

Max.

Unit

Device supply voltages

VDD

Supply voltage, logic

2.7

3.3

5.5(2)

VDDP

Supply voltage, power

VCC = 5 V

4.85

5.5

VCC = 3 V or 1.8 V

3.3

5.5

VDD(INTF)

Supply voltage,

microcontroller interface

1.6

3.3

VDD

+0.3(3)

IDD

Supply current, logic

Shutdown mode

A

Active mode

IDDP

Supply current, power

Shutdown mode, fXTAL stopped

A

Active mode, fCLK = fXTAL/2, no ICC load

1.5

Active mode, fCLK = fXTAL/2,

ICC = 65 mA

IDD(INTF) Supply current, interface

Shutdown mode

A

Shutdown mode, ST8034P only

A

Card supply voltage

VCC

Card supply voltage

(output)(4)

Active mode, VCC = 5 V, ICC < 65 mA

4.75

5.0

5.25

With current pulses of 40 nAs at

ICC < 200 mA, t < 400 ns(4)

4.65

5.0

5.25

Active mode, VCC = 3 V, ICC < 65 mA

2.85

3.05

3.15

With current pulses of 40 nAs at

ICC < 200 mA, t < 400 ns(4)

2.76

3.20

Active mode, VCC = 1.8 V, ICC < 65 mA

1.71

1.83

1.89

With current pulses of 15 nAs at

ICC < 200 mA, t < 400 ns(4)

1.66

1.94

ICC

Card supply current (refer

also to Table 11: Protection

characteristics on page 21)

VCC = 5 V, 3 V or 1.8 V

VCC shorted to GND

120

150

CVCC

VCC decoupling capacitor(5) VCC to GND

160

320

530

VCC slew rate (rising and

falling)(5)

VCC = 5 V

0.055 0.180

0.300

s

VCC = 3 V

0.040 0.180

0.300

VCC = 1.8 V

0.025 0.180

0.300

VCC(SHDN)

VCC output voltage in

shutdown mode

No load

-0.1

0.1

ICC = 1 mA

-0.1

0.3

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