ST7LITE09 datasheet(95/122 Pages) STMICROELECTRONICS

95 / 122 page

ST7LITE0, ST7SUPERLITE

95/122

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. True open drain I/O pins does not have VOH.

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

Figure 67. Typical VOL at VDD=2.4V (standard)

Figure 68. Typical VOL at VDD=2.7V (standard)

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 70)

IIO=+5mA TA≤85°C

TA≥85°C

1.0

1.2

IIO=+2mA TA≤85°C

TA≥85°C

0.4

0.5

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

when 4 pins are sunk at same time

(see Figure 72)

IIO=+20mA,TA≤85°C

TA≥85°C

1.3

1.5

IIO=+8mA TA≤85°C

TA≥85°C

0.75

0.85

VOH

Output high level voltage for an I/O pin

when 4 pins are sourced at same time

(see Figure 78)

IIO=-5mA, TA≤85°C

TA≥85°C

VDD-1.5

VDD-1.6

IIO=-2mA

TA≤85°C

TA≥85°C

VDD-0.8

VDD-1.0

VOL

1)3)

Output low level voltage for a standard I/O pin

when 8 pins are sunk at same time

(see Figure 69)

IIO=+2mA TA≤85°C

TA≥85°C

0.5

0.6

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

when 4 pins are sunk at same time

IIO=+8mA TA≤85°C

TA≥85°C

0.5

0.6

VOH

2)3)

Output high level voltage for an I/O pin

when 4 pins are sourced at same time

IIO=-2mA

TA≤85°C

TA≥85°C

VDD-0.8

VDD-1.0

VOL

1)3)

Output low level voltage for a standard I/O pin

when 8 pins are sunk at same time

(see Figure 68)

IIO=+2mA TA≤85°C

TA≥85°C

0.6

0.7

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

when 4 pins are sunk at same time

IIO=+8mA TA≤85°C

TA≥85°C

0.6

0.7

VOH

2)3)

Output high level voltage for an I/O pin

when 4 pins are sourced at same time

(see Figure 75)

IIO=-2mA

TA≤85°C

TA≥85°C

VDD-0.9

VDD-1.0

TO BE CHARACTERIZED

0.00

0.10

0.20

0.30

0.40

0.50

0.60

0.70

0.01

lio (mA)

-45

0°C

25°C

90°C

130°C

0.00

0.10

0.20

0.30

0.40

0.50

0.60

0.01

lio (mA)

-45°C

0°C

25°C

90°C

130°C

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