ST8024CD datasheet(7/23 Pages) STMICROELECTRONICS

7 / 23 page

ST8024

7/23

Table 10: Data Lines To Card Reader

(PINS I/O, AUX1 AND AUX2 With Integrated 11 k

Ω PULL-UP Resistor To V

CC (VDD = 3.3V, VDDP =

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

Table 11: Data Lines To Microcontroller (PINS I/OUC, AUX1UC AND AUX2UC; With Integrated

11 k

Ω PULL-UP Resistor To V

DD) (VDD = 3.3V, VDDP = 5V, fXTAL = 10MHz, unless otherwise noted.

Typical values are to Ta = 25°C)

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

VO(inactive) Output Voltage

Inactive mode

NO LOAD

0.1

IO(inactive)=1mA

0.3

IO(inactive) Output Current

Inactive mode; pin grounded

-1

VOH

High Level Output Voltage

No DC Load

0.9 VCC

VCC+0.1

5 and 3 V cards; IOH < - 40µA

0.75 VCC

VCC+0.1

|IOH| ≥ 10mA

0.4

VOL

Low Level Output Voltage

IOL = 1 mA

0.2

IOL ≥ 15 mA

VCC-0.4

VCC

VIH

High Level Input Voltage

1.5

VCC+0.3

VIL

Low Level Input Voltage

0.3

0.8

|ILIH|

High Level Input Leakage

Current

VIH = VCC

µA

|IIL|

Low Level Input Current

VIL = 0 V

600

µA

RPU

Integrated pull-up resistor

Pull-up resistor to VCC

911

Ω

tT(DI)

Data Input transition time

VIL max to VIH min

1.2

µs

tT(DO)

Data Output transition time

VO = 0 to VCC; CL ≤ 80 pF; 10% to

90%

0.1

µs

IPU

Current when pull-up active

VOH = 0.9VCC; CL = 80 pF

-1

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

VOH

High Level Output Voltage

5 and 3 V card; IOH < − 40µA

0.75 VDD

VDD+0.1

No DC Load

0.9 VDD

VDD+0.1

VOL

Low Level Output Voltage

IOL = 1 mA

0.3

VIH

High Level Input Voltage

0.7 VDD

VDD+0.3

VIL

Low Level Input Voltage

-0.3

0.3 VDD

|ILIH|

High Level Input Leakage

Current

VIH = VDD

µA

|IL|

Low Level Input Current

VIL = 0 V

600

µA

RPU

Internal pull-up resistance to

VDD

Pull-up resistor to VDD

911

Ω

tT(DI)

Data Input transition time

VIL(max) to VIH(min)

1.2

µs

tT(DO)

Data Output transition time

VO = 0 to VDD; CL < 30 pF;

10% to 90%

0.1

µs

IPU

Current when pull-up active

VOH = 0.9VDD; CL = 30 pF

-1

ST8024CD 数据表(PDF) 7 Page - STMicroelectronics

ST8024CD 数据表(HTML) 7 Page - STMicroelectronics

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23

数据表下载