TCM809 datasheet(2/14 Pages) MICROCHIP

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TCM809/TCM810

DS21661C-page 2

 2004 Microchip Technology Inc.

1.0

ELECTRICAL

CHARACTERISTICS

Absolute Maximum Ratings†

Supply Voltage (VDD to GND) ..........................................6.0V

RESET, RESET.................................... – 0.3V to (VDD +0.3V)

Input Current, VDD.........................................................20 mA

Output Current, RESET, RESET...................................20 mA

dV/dt (VDD)............................................................. 100V/µsec

Operating Temperature Range.................... – 40°C to +125°C

Power Dissipation (TA = 70°C):

3-Pin SOT-23B (derate 4 mW/°C above +70°C) ......320 mW

3-Pin SC-70 (derate 2.17 mW/°C above +70°C)......174 mW

Storage Temperature Range ....................... – 65°C to +150°C

Maximum Junction Temperature, T

J.............................. 150°C

† Notice: Stresses above those listed under “Maximum ratings” may

cause permanent damage to the device. This is a stress rating only and

functional operation of the device at those or any other conditions

above those indicated in the operational listings of this specification is

not implied. Exposure to maximum rating conditions for extended peri-

ods may affect device reliability.

PIN FUNCTION TABLE

NAME

FUNCTION

GND

Ground.

RESET (TCM809) RESET push-pull output

remains low while VDD is below

the reset voltage threshold and

for 240 msec (140 msec min.)

after VDD rises above reset

threshold.

RESET (TCM810) RESET push-pull output

remains high while VDD is below

the reset voltage threshold and

for 240 msec (140 msec min.)

after VDD rises above reset

threshold.

VDD

Supply voltage (+2.5V, +3.0V,

+3.3V, +5.0V).

ELECTRICAL CHARACTERISTICS

VDD = Full Range, TA = Operating Temperature Range, unless otherwise noted. Typical values are at TA = +25°C,

VDD = 5V for L/M/J, 3.3V for T/S, 3.0V for R and 2.5V for Z (Note 1).

Parameter

Sym

Min

Typ

Max

Units

Test Conditions

VDD Range

1.0

—

5.5

TA = 0°C to +70°C

1.2

—

5.5

TA = – 40°C to +125°C

Supply Current

ICC

—12

µA

TCM8xxL/M/J:

VDD < 5.5V

—9

TCM8xxR/S/T/Z:

VDD < 3.6V

Reset Threshold (Note 2)

VTH

4.56

4.63

4.70

TCM8xxL:

TA = +25°C

4.50

—

4.75

TA = – 40°C to +125°C

4.31

4.38

4.45

TCM8xxM:

TA = +25°C

4.25

—

4.50

TA = – 40°C to +125°C

3.93

4.00

4.06

TCM809J:

TA = +25°C

3.89

—

4.10

TA = – 40°C to +125°C

3.04

3.08

3.11

TCM8xxT:

TA = +25°C

3.00

—

3.15

TA = – 40°C to +125°C

2.89

2.93

2.96

TCM8xxS:

TA = +25°C

2.85

—

3.00

TA = – 40°C to +125°C

2.59

2.63

2.66

TCM8xxR:

TA = +25°C

2.55

—

2.70

TA = – 40°C to +125°C

2.28

2.32

2.35

TCM8xxZ:

TA = +25°C

2.25

—

2.38

TA = – 40°C to +125°C

Reset Threshold Tempco

—

ppm/°C

VDD to Reset Delay,

—

µsec

VDD = VTH to (VTH – 100 mV) (Note 2)

Reset Active Time Out

Period

140

320

560

msec

Note

Production testing done at T

A = +25°C, overtemperature limits ensured by QC screen.

2: RESET output for TCM809, RESET output for TCM810.

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