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http://www.union-ic.com Rev.01 Jan.2015

4/14

UM805/811/812

Electrical Characteristics

(Note 2)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Supply Voltage

Range

1.0

5.5

V

Supply Current

2.0

5.0

μA

Reset Threshold

L version

4.56

4.63

4.70

V

4.50

4.75

M version

4.31

4.38

4.45

4.25

4.50

J version

3.93

4.00

4.06

3.89

4.10

T version

3.04

3.08

3.11

3.00

3.15

S version

2.89

2.93

2.96

2.85

3.00

R version

2.59

2.63

2.66

2.55

2.70

Z version

2.28

2.32

2.35

2.25

2.38

Reset Threshold

Tempco

150

ppm/°C

(Note 3)

10

μs

Reset Active

Timeout Period

140

240

560

ms

MR

______

Minimum

Pulse Width

10

μs

MR

______

Glitch

Immunity

(Note 4)

100

ns

MR

______

to Reset

Propagation Delay

0.5

μs

MR

______

Input

Threshold

UM805/811/812LE/ME/JE

2.3

V

0.8

UM805/811/812TE/SE/RE/ZE

MR

______

Pull-Up

Resistance

10

20

30

kΩ