MAX809, MAX810

3

Symbol

Characteristic

Min

Typ

Max

Unit

VCC Range

TA = 0°C to +70°C

TA = –40°C to +85°C

1.0

1.2

—

—

5.5

5.5

V

ICC

Supply Current

MAX8xxL/M/J: VCC < 5.5V

MAX8xxR/S/T: VCC < 3.6V

—

—

24

17

60

50

µA

VTH

Reset Threshold (Note NO TAG)

MAX8xxL: TA = 25°C

TA = –40°C to +85°C

MAX8xxM: TA = 25°C

TA = –40°C to +85°C

MAX809J: TA = 25°C

TA = –40°C to +85°C

MAX8xxT: TA = 25°C

TA = –40°C to +85°C

MAX8xxS: TA = 25°C

TA = –40°C to +85°C

MAX8xxR: TA = 25°C

TA = –40°C to +85°C

4.56

4.50

4.31

4.25

3.93

3.89

3.04

3.00

2.89

2.85

2.59

2.55

4.63

—

4.38

—

4.00

—

3.08

—

2.93

—

2.63

—

4.70

4.75

4.45

4.50

4.06

4.10

3.11

3.15

2.96

3.00

2.66

2.70

V

Reset Threshold Temperature Coefficient

—

30

—

ppm/

°C

VCC to Reset Delay VCC = VTH to (VTH – 100mV)

—

20

—

µsec

Reset Active Timeout Period

140

240

560

msec

VOL

RESET Output Voltage Low (MAX809)

MAX809R/S/T: VCC = VTH min, ISINK = 1.2mA

MAX809L/M/J: VCC = VTH min, ISINK = 3.2mA

VCC > 1.0V, ISINK = 50µA

—

—

—

—

—

—

0.3

0.4

0.3

V

VOH

RESET Output Voltage High (MAX809)

MAX809R/S/T: VCC > VTH max, ISOURCE = 500µA

MAX809L/M/J: VCC > VTH max, ISOURCE = 800µA

0.8 VCC

VCC – 1.5

—

—

—

—

V

VOL

RESET Output Voltage Low (MAX810)

MAX810R/S/T: VCC = VTH max, ISINK = 1.2mA

MAX810L/M/J: VCC = VTH max, ISINK = 3.2mA

—

—

—

—

0.3

0.4

V

VOH

RESET Output Voltage High (MAX810)

1.8 < VCC < VTH min, ISOURCE = 150µA

0.8 VCC

—

—

V

1. Production testing done at TA = 25°C, over temperature limits guaranteed by design.

PIN DESCRIPTION

Pin No.

Symbol

Description

1

GND

Ground

2

RESET (MAX809)

RESET output remains low while VCC is below the reset voltage threshold, and for 240msec (typ.)

after VCC rises above reset threshold

2

RESET (MAX810)

RESET output remains high while VCC is below the reset voltage threshold, and for 240msec (typ.)

after VCC rises above reset threshold

3

VCC

Supply Voltage (typ.)

MAX809, MAX810