ST7L19 datasheet(114/138 Pages) STMICROELECTRONICS

114 / 138 page

ST7L15, ST7L19

114/138

I/O PORT PIN CHARACTERISTICS (cont’d)

13.8.2 Output Driving Current

Subject to general operating conditions for VDD, fCPU and TA (-40 to +125°C), unless otherwise specified.

Notes:

1. The IIO current sunk must always respect the absolute maximum rating specified in section 13.2.2 on page 99 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 on page 99 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 eight pins are sunk at same time

(see Figure 77)

VDD =5V

IIO =+5mA

1.0

IIO =+2mA

0.4

Output low level voltage for a high sink I/O

pin when four pins are sunk at same time

(see Figure 80)

IIO = +20mA

1.3

IIO =+8mA

0.75

VOH

Output high level voltage for an I/O pin

when four pins are sourced at same time

(see Figure 86)

IIO =-5mA

VDD -1.5

IIO =-2mA

VDD -0.8

VOL

1)3)

Output low level voltage for a standard I/O

pin when eight pins are sunk at same time

(see Figure 76)

VDD =3.3V

IIO =+2mA,

TA ≤ +85°C

0.5

Output low level voltage for a high sink I/O

pin when four pins are sunk at same time

IIO = +8mA,

TA ≤ +85°C

VOH

2)3)

Output high level voltage for an I/O pin

when four pins are sourced at same time

(Figure 85)

IIO =-2mA,

TA ≤ +85°C

VDD -0.8

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