ASM161LCUSFSLASHT datasheet(5/9 Pages) PULSECORE

5 / 9 page

April 2008

ASM161/ASM162

rev 1.5

µP Supervisory Circuit

5 of 9

Notice: The information in this document is subject to change without notice.

Electrical Characteristics

Unless otherwise noted, VCC is over the full range and TA = 0°c to 70°c for ASM161/162 X C and TA = -40°c to +85°c for ASM161/162 X E devices. Typical

values at TA = 25°c, VCC = 5V for L/M/J devices, VCC = 3.3V for T/S devices and VCC = 3V for R devices

Parameter

Symbol

Conditions

Min

TYP

Max

Unit

Input Voltage (VCC)

Range

VCC

TA = 0°C to 70°C

1.1

5.5

VCC < 5.5V L/M/J

Supply Current

(Unloaded)

ICC

VCC < 3.6V R/S/T

4.5

µA

L Devices

TA = 25°C

Note 1

4.56

4.50

4.63

4.70

4.75

M devices

TA = 25°C

Note 1

4.31

4.25

4.38

4.45

4.50

J devices

TA = 25°C

Note 1

3.93

3.89

4.00

4.06

4.10

T devices

TA = 25°C

Note 1

3.04

3.00

3.08

3.11

3.15

S devices

TA = 25°C

Note 1

2.89

2.85

2.93

2.96

3.00

Reset Threshold

VTH

R devices

TA = 25°C

Note 1

2.59

2.55

2.63

2.66

2.70

Reset Threshold

Temp Coefficient

TCVTH

ppm/

°C

VCC to reset delay

VCC = VTH to (VTH -100mV)

µS

TA = 0°C to 70°C

Reset Pulse Width

tRPW

TA = -40°C to 85°C

800

600

1400

2000

2240

MR Minimum Pulse

Width

tMR

µS

MR Glitch Immunity

100

MR to RESET

Propagation Delay

0.5

µS

VIH

2.3

VIL

VCC > VTH(MAX), L/M/J devices

0.8

VIH

0.7VCC

MR Input Threshold

VIL

VCC > VTH(MAX), R/S/T devices

0.25VCC

TA = 0°C to 70°C

122

MR Delay to MR

Retrigger

tMRD

TA = -40°C to 85°C

µS

MR pull-up resistance

VCC=VTH min., ISINK=1.2mA,

ASM161 R/S/T

0.3

VCC=VTH min., ISINK=3.2mA,

ASM161L/M/J

0.4

Low RESET output

voltage (ASM161)

VOL

VCC > 1.1, ISINK = 50µA

0.3

VCC=VTH max., ISINK=1.2mA,

ASM162 R/S/T

0.3

RESET Output

Voltage (ASM162)

VOL

VCC=VTH max., ISINK=3.2mA,

ASM162 L/M/J

0.4

HIGH RESET Output

Voltage (ASM162)

VOH

1.8<VCC<VTHmin., ISOURCE = 150 µA

0.8VCC

RESET Output

Leakage Current

(ASM161)

ILKG

VDRAIN < 6.0V, 0°C < TA < 70°C

µA

Notes: 1. Over operating temperature range.

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