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Rev.1.9 Mar. 21, 2011

AX6901/2/3/4



ABSOLUTE MAXIMUM RATUNGS (at TA=25°C)

Characteristics

Symbol

Rating

Unit

VCC Pin Voltage

VCC

GND - 0.3 to GND + 6.5

V

RESET, RESET (push-pull) Pin Voltage

VRESET

GND - 0.3 to VCC + 0.3

V

Input Current, VCC

ICC

20

mA

Output Current, RESET, RESET

IO

5

mA

Power Dissipation

PD

( TJ-TA ) / θJA

mW

Storage Temperature Range

TST

-60 to +150

°C

Operating Temperature Range

TOP

-40 to +85

°C

Junction Temperature

TJ

-40 to +150

°C

Thermal Resistance from Junction to case

θJC

110

°C/W

Thermal Resistance from Junction to ambient

θJA

250

°C/W

Note: θJA is measured with the PCB copper area of approximately 1 in2(Multi-layer). That need connect to VSS

pin.



ELECTRICAL CHARACTERISTICS TA=25 °C (unless otherwise noted)

Characteristics

Symbol

Conditions

Min Typ Max Units

Operating VCC Range

VRange

1.0

-

6

V

Supply Current

ICC

VCC = VTH+1.0V

-

25

35

μA

Reset Threshold

TA=25°C

VTH

AX6901/2/3/4A

4.54 4.63 4.71

V

AX6901/2/3/4B

4.29 4.38 4.46

AX6901/2/3/4I

4.16 4.25 4.33

AX6901/2/3/4C

3.92 4.00 4.08

AX6901/2/3/4D

3.02 3.08 3.15

AX6901/2/3/4E

2.87 2.93 3.00

AX6901/2/3/4H

2.64 2.70 2.75

AX6901/2/3/4F

2.57 2.63 2.69

AX6901/2/3/4G

2.20 2.25 2.30

Reset Threshold

Tempco

VTHT T

A = 0°C to +85°C

-

50

-

ppm/°C

Set-up Time

TS

VCC = 0 to (VTH – 100mV)

1

-

-

μs

VCC to Reset Delay

TRD VCC=VTH to (VTH-100mV)

-

20

-

μs

Reset Active Timeout

Period

TDELAY TA = 0°C to +85°C

160

200 260

ms

T

RESE

Output Voltage

(AX6901/3)

VOL

1.8V<VCC < VTH(min),

ISINK = 1.2mA

-

-

0.3

V

1.2V < VCC < 1.8V, ISINK = 50uA

VOH VCC > VTH (max), ISOURCE = 500uA, 0.8VCC -

-

V

RESET

Output Voltage

(AX6902/4)

VOL VCC > VTH (max), ISINK = 1.2mA,

-

-

0.3

V

VOH

1.8V < VCC < VTH (min),

ISOURCE = 500uA

0.8

VCC

-

-

V

1.2V < VCC < 1.8V,

ISOURCE = 150uA

Hysteresis at VCC

VHys Input voltage

-

40

-

mV