ST7LITEUSX datasheet(82/108 Pages) STMICROELECTRONICS

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ST7LITEUSx

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I/O PORT PIN CHARACTERISTICS (Cont’d)

Figure 48. Typical IPU vs. VDD with VIN=VSS

12.8.2 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 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 do not have VOH.

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

Symbol

Parameter

Conditions

Min

Max

Unit

VOL

Output low level voltage for PA3/RESET standard

I/O pin (see Figure 51)

IIO=+5mA,TA≤125°C

1200

IIO=+2mA,TA≤125°C

400

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

when 4 pins are sunk at same time

(see Figure 54)

IIO=+20mA,

TA≤125°C

1300

IIO=+8mA,TA≤125°C

750

VOH

Output high level voltage for an I/O pin

when 4 pins are sourced at same time

(see Figure 58)

IIO=-5mA,TA≤125°C

VDD-1500

IIO=-2mA,TA≤125°C

VDD-800

VOL

1)3)

Output low level voltage for PA3/RESET standard

I/O pin

(see Figure 50)

IIO=+2mA,TA≤125°C

250

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

when 4 pins are sunk at same time

(see Figure 53)

IIO=+2mA,TA≤125°C

150

IIO=+8mA,TA≤125°C

500

VOH

2)3)

Output high level voltage for an I/O pin

when 4 pins are sourced at same time

(see Figure 56)

IIO=-2mA,TA≤125°C

VDD-800

VOL

1)3)

Output low level voltage for PA3/RESET standard

I/O pin (see Figure 49)

IIO=+2mA,TA≤125°C

500

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

when 4 pins are sunk at same time

(see Figure 52)

IIO=+2mA,TA≤125°C

200

IIO=+8mA,TA≤125°C

600

VOH

2)3)

Output high level voltage for an I/O pin

when 4 pins are sourced at same time

(see Figure 55)

IIO=-2mA,TA≤125°C

VDD-900

VDD [V]

-45°C

25°C

90°C

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