UM809AEP datasheet(3/14 Pages) UNIONSEMI

Part #	UM809AEP

Description	3-Pin Microprocessor Reset Circuits

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Manufacturer	UNIONSEMI [Union Semiconductor, Inc.]

Direct Link	http://www.union-ic.com

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________________________________________________________________________

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

3/14

UM809/810

Electrical Characteristics

VCC=full range, TA=-40°C to +85°C, unless otherwise noted. Typical values are at TA=+25°C,

VCC=5V for L/M/J versions, VCC=3.3V for T/S versions, VCC=3V for R version, and VCC=2.5V for

Z version. (Note 1)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

VCC Range

TA=0°C to + 70°C

1.0

10

V

TA=-40°C to +85°C

1.2

10

ICC

Supply Current

VCC<5.5V, UM8_L/M/J

3

5

μA

VCC<3.6V, UM8_R/S/T/Z

3

5

VTH

Reset Threshold

UM8_L

TA=+25°C

4.49

4.63

4.72

V

TA=-40°C to +85°C

4.44

4.76

UM8_M

TA=+25°C

4.29

4.38

4.51

TA=-40°C to +85°C

4.25

4.55

UM8_J

TA=+25°C

3.90

4.00

4.10

TA=-40°C to +85°C

3.86

4.14

UM8_T

TA=+25°C

3.02

3.08

3.18

TA=-40°C to +85°C

2.99

3.21

UM8_S

TA=+25°C

2.83

2.93

2.97

TA=-40°C to +85°C

2.80

3.00

UM8_R

TA=+25°C

2.54

2.63

2.67

TA=-40°C to +85°C

2.51

2.69

UM8_Z

TA=+25°C

2.24

2.32

2.36

TA=-40°C to +85°C

2.22

2.38

Reset Threshold Tempco

30

ppm/°C

VCC to Reset Delay

(Note 2)

VCC=VTH to (VTH–100mV)

10

μs

Reset Active Timeout

Period

TA=-40°C to +85°C

140

240

360

ms

VOL

RESET

____________

Output Voltage

Low (Push-Pull Active

Low, UM809)

VCC=VTH min, ISINK=1.2mA,

UM809R/S/T/Z

0.3

V

VCC=VTH min, ISINK=3.2mA,

UM809J/L/M

0.4

VCC≤1.0V, ISINK=50μA

0.3

VOH

RESET

____________

Output Voltage

High (Push-Pull Active

Low, UM809)

VCC>VTH max, ISOURCE=500μA,

UM809R/S/T/Z

0.8VCC

V

VCC>VTH max, ISOURCE=800μA,

UM809J/L/M

VCC–1.5

VOL

RESET Output Voltage

Low (Push-Pull Active

High, UM810)

VCC=VTH max, ISINK=1.2mA,

UM810R/S/T/Z

0.3

V

VCC=VTH max, ISINK=3.2mA,

UM810J/L/M

0.4

VOH

RESET Output Voltage

High (Push-Pull Active

High, UM810)

1.8V<VCC<VTH min,

ISOURCE=150µA

0.8VCC

V

Note 1: Production testing done at TA=+25°C; limits over temperature guaranteed by design only.

Note 2: RESET

_____________

output for UM809; RESET output for UM810.

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