ST72361 datasheet(195/224 Pages) STMICROELECTRONICS

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ST72361

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I/O PORT PIN CHARACTERISTICS (Cont’d)

12.9.2 Output Driving Current

Subject to general operating conditions for VDD, fOSC, and TA unless otherwise specified.

Figure 106. Typical VOL at VDD = 5V (Standard)

Figure 107. Typical VOL at VDD = 5V (High-sink)

Figure 108. Typical VOH at VDD = 5V

Notes:

1. The IIO current sunk must always respect the absolute maximum rating specified in Section 12.2.2 and the sum of IIO

(I/O ports and control pins) must not exceed IVSS.

2. The IIO current sourced must always respect the absolute maximum rating specified in Section 12.2.2 and the sum of

IIO (I/O ports and control pins) must not exceed IVDD. True open drain I/O pins does not have VOH.

Symbol

Parameter

Conditions

Min

Max

Unit

VOL

Output low level voltage for a standard I/O pin

when eight pins are sunk at same time

(see Figure 106)

IIO=+5mA

1.2

IIO=+2mA

0.5

Output low level voltage for a high sink I/O pin

when four pins are sunk at same time

(see Figure 107 and Figure 110)

IIO=+20mA,TA≤85°C

TA≥85°C

1.3

1.5

IIO=+8mA

0.6

VOH

Output high level voltage for an I/O pin

when four pins are sourced at same time

(see Figure 108 and Figure 111)

IIO=-5mA, TA≤85°C

TA≥85°C

VDD-1.4

VDD-1.6

IIO=-2mA

VDD-0.7

Iio(mA)

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

-45°C

25°C

130°C

Iol (mA)

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

-45 °C

25 °C

13 0°C

-2

-5

Iio(mA)

4.1

4.2

4.3

4.4

4.5

4.6

4.7

4.8

4.9

-45°C

25°C

130°C

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