ST7LITE1XB datasheet(129/157 Pages) STMICROELECTRONICS

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ST7LITE1xB

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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

Max

Unit

VOL

Output low level voltage for a standard I/O pin

when 8 pins are sunk at same time

(see Figure 83)

IIO=+5mA TA≤125°C

1.0

IIO=+2mA TA≤125°C

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≤125°C

1.3

IIO=+8mA TA≤125°C

0.75

VOH

Output high level voltage for an I/O pin

when 4 pins are sourced at same time

(see Figure 95)

IIO=-5mA, TA≤125°C

VDD-1.5

IIO=-2mA TA≤125°C

VDD-0.8

VOL

1)3)

Output low level voltage for a standard I/O pin

when 8 pins are sunk at same time

(see Figure 82)

IIO=+2mA TA≤125°C

0.5

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

when 4 pins are sunk at same time

IIO=+8mA TA≤125°C

0.5

VOH

2)3)

Output high level voltage for an I/O pin

when 4 pins are sourced at same time (Figure 94)

IIO=-2mA TA≤125°C

VDD-0.8

VOL

1)3)

Output low level voltage for a standard I/O pin

when 8 pins are sunk at same time

(see Figure 87)

IIO=+2mA TA≤125°C

0.6

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

when 4 pins are sunk at same time

IIO=+8mA TA≤125°C

0.6

VOH

2)3)

Output high level voltage for an I/O pin

when 4 pins are sourced at same time

(see Figure 101)

IIO=-2mA TA≤125°C

VDD-0.9

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