ST7L09 datasheet(85/104 Pages) STMICROELECTRONICS

85 / 104 page

ST7L05, ST7L09

85/104

I/O PORT PIN CHARACTERISTICS (Cont’d)

13.8.2 Output Driving Current

Subject to general operating conditions for VDD, fOSC and TA (-40 to +105°C), 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.

Figure 54. Typical VOL at VDD = 3.3V (standard)

Figure 55. Typical VOL at VDD = 5V (standard)

Figure 56. Typical VOL at VDD = 5V (high-sink)

Figure 57. Typical VOL at VDD = 3V (high-sink)

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 55)

VDD = 5V

IIO = +5mA

0.65

1.0

IIO = +2mA

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 57)

IIO = +20mA

1.05

1.4

IIO = +8mA

0.4

0.75

VOH

Output high level voltage for an I/O pin

when 4 pins are sourced at same time

(see Figure 60)

IIO =-5mA

VDD - 1.5

4.30

IIO =-2mA

VDD - 1.0

4.70

0.00

0.10

0.20

0.30

0.40

0.50

0.60

0.70

0.01

lio (mA)

-45°C

0°C

25°C

90°C

130°C

0.00

0.10

0.20

0.30

0.40

0.50

0.60

0.70

0.80

0.01

345

lio (mA)

-45°C

0°C

25°C

90°C

130°C

0.00

0.50

1.00

1.50

2.00

2.50

10152025

303540

lio (mA)

-45

0°C

25°C

90°C

130°C

0.00

0.20

0.40

0.60

0.80

1.00

1.20

lio (mA)

-45

0°C

25°C

90°C

130°C

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