ST7LITE39 datasheet(146/167 Pages) STMICROELECTRONICS

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I/O PORT PIN CHARACTERISTICS (Cont’d)

13.8.2 Output Driving Current

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

Notes:

1. The IIO current sunk must always respect the absolute maximum rating specified in Section 13.2.2 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 13.2.2 and the sum of

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

3. Not tested in production, based on characterization results.

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

VOL

Output low level voltage for a standard I/O

pin when 8 pins are sunk at same time

(see Figure 86)

IIO=+5mA TA≤85°C

0.65

1.0

IIO=+2mA TA≤85°C

0.25

0.4

Output low level voltage for a high sink I/O

pin when 4 pins are sunk at same time (see

Figure 89)

IIO=+20mA,TA≤85°C

1.05

1.3

IIO=+8mA TA≤85°C

0.4

0.75

VOH

Output high level voltage for an I/O pin

when 4 pins are sourced at same time

(see Figure 92)

IIO= -5mA, TA≤85°C VDD-1.5

4.30

IIO= -2mA TA≤85°C VDD-0.8

4.70

VOL

1)3)

Output low level voltage for a standard I/O

pin when 8 pins are sunk at same time

(see Figure 85)

IIO=+2mA TA≤85°C

0.25

Output low level voltage for a high sink I/O

pin when 4 pins are sunk at same time (see

Figure 88)

IIO=+8mA TA≤85°C

0.35

VOH

2)3)

Output high level voltage for an I/O pin

when 4 pins are sourced at same time

(see Figure 91)

IIO= -2mA TA≤85°C

3.70

VOL

1)3)

Output low level voltage for a standard I/O

pin when 8 pins are sunk at same time

(see Figure 84)

IIO=+2mA TA≤85°C

0.30

Output low level voltage for a high sink I/O

pin when 4 pins are sunk at same time (see

Figure 87)

IIO=+8mA TA≤85°C

0.40

VOH

2)3)

Output high level voltage for an I/O pin

when 4 pins are sourced at same time

(see Figure 90)

IIO= -2mA TA≤85°C

2.60

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