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http://www.union-ic.com Rev.06 Apr.2015

5/14

UM809/810

Figure 3. Supply Current vs Supply Voltage

Figure 4. Supply Current vs Supply Voltage

Figure 5. Power-Down Reset Delay vs

Figure 6. Power-Down Reset Delay vs

Temperature and Overdrive(UM8xxR/S/T)

Temperature and Overdrive(UM8xxL/M/J)

Figure 7. Power-Up Reset Timeout vs

Figure 8. Normalized Reset Threshold vs

Temperature

Temperature

-40

-20

0

20

40

60

85

0

40

20

60

80

100

TEMPERATURE(

-40

-20

0

20

40

60

85

0

40

20

60

80

100

TEMPERATURE(

120

140

-40

-20

0

20

40

60

85

225

235

230

240

245

250

TEMPERATURE(

UM8XXL/M/J

UM8XXR/S/T

-40

-20

0

20

40

60

85

0.997

0.999

0.998

1.000

1.001

1.002

TEMPERATURE(

1.003

2.0

2.5

3.0

3.5

4.0

4.5

5.0

5.5

6.0

1.2

1.4

1.6

1.8

2.0

2.2

2.4

2.6

2.8

3.0

3.2

3.4

3.6

UM810SS Vth=2.93V

UM810RS Vth=2.63V

UM810MS Vth=4.38V

UM810TS Vth=3.08V

SUPPLY VOLTAGE(uA)

2.0

2.5

3.0

3.5

4.0

4.5

5.0

5.5

6.0

1.2

1.4

1.6

1.8

2.0

2.2

2.4

2.6

2.8

3.0

3.2

3.4

3.6

3.8

UM809LS Vth=4.63V

UM809RS Vth=2.63V

UM809RP Vth=2.63V

UM809SP Vth=2.93V

SUPPLY VOLTAGE(V)