PCF8574 datasheet(8/42 Pages) TI2

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5.8 Typical Characteristics (continued)

TA = 25°C (unless otherwise noted)

100

200

300

400

500

600

−50 −25

75 100 125

Temperature (°C)

VCC = 5 V, ISINK = 10 mA

VCC = 2.5 V, ISINK = 10 mA

VCC = 5 V,

ISINK = 1 mA

VCC = 2.5 V,

ISINK = 1mA

Figure 5-7. I/O Output Low Voltage vs Temperature

0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7

VCC = 2.5 V

TA = −40ºC

TA = 25ºC

TA = 85°C

VCC − VOH (V)

Figure 5-8. I/O Source Current vs Output High Voltage

0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7

VCC = 3.3 V

TA = −40ºC

TA = 25ºC

TA = 85ºC

VCC − VOH (V)

Figure 5-9. I/O Source Current vs Output High Voltage

0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7

VCC = 5 V

TA = −40ºC

TA = 85ºC

TA = 25ºC

VCC − VOH (V)

Figure 5-10. I/O Source Current vs Output High Voltage

100

150

200

250

300

350

−50 −25

75 100 125

Temperature (ºC)

VCC = 5 V

VCC = 3.3 V

VCC = 2.5 V

Figure 5-11. I/O High Voltage vs Temperature

PCF8574

SCPS068K – JULY 2001 – REVISED SEPTEMBER 2024

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