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http://www.union-ic.com

Rev.04 Dec.2013

6/15

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=2.9V

UM810RS Vth=2.6V

UM810MS Vth=4.4V

UM810TS Vth=3.1V

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=4.6V

UM809RS Vth=2.6V

UM809RP Vth=2.6V

UM809SP Vth=2.9V

SUPPLY VOLTAGE(V)