TCM811/TCM812

DS21615B-page 2

 2002 Microchip Technology Inc.

1.0

ELECTRICAL

CHARACTERISTICS

ABSOLUTE MAXIMUM RATINGS*

Supply Voltage (

V

RESET, RESET.................................... - 0.3V to (

V

Input Current,

V

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

Operating Temperature Range...................... – 40°C to +85°C

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

Maximum Junction Temperature, T

*Notice: Stresses beyond those listed under “Absolute Maximun Rat-

ings” may cause permanenet damage to the device. These are stress

ratings only, and functional operation of the device at these or any other

conditions beyond those indicated in the operational sections of the

specifications is not implied. Exposure to absolute maximun rating con-

ditions for extended periods may affect device reliability.

PIN FUNCTION TABLE

ELECTRICAL CHARACTERISTICS

NAME

FUNCTION

GND

Ground

RESET (TCM811)

RESET push-pull output remains low

while

V

threshold, and for at least 140 msec

(min.) after

V

threshold.

RESET (TCM812)

RESET push-pull output remains

high while

V

voltage threshold, and for at least

140 msec (min.) after

V

above reset threshold.

MR

Manual Reset input generates a

V

DD

Supply Voltage

V

Parameters

Sym

Min

Typ

Max

Units

Conditions

V

V

DD

1.0

1.1

—

—

5.5

5.5

VTCM811

TCM812

Supply Current

—

—

6

4.75

15

10

µA

TCM81_L/M, V

TCM81_R/S/T/F, V

OUT

= 0

Reset Threshold

4.54

4.50

4.63

—

4.72

4.75

V

4.30

4.25

4.38

—

4.46

4.50

3.03

3.00

3.08

—

3.14

3.15

2.88

2.85

2.93

—

2.98

3.00

2.58

2.55

2.63

—

2.68

2.70

1.71

1.70

1.75

—

1.79

1.80

Reset Threshold Tempco

—

30

—

ppm/°C

V

—

—

20

5

—

—

µsec

V

R, S, T, F

Reset Active Timeout Period

140

280

560

msec

V

TH(MAX)

MR Minimum Pulse Width

10

—

—

µsec

MR Glitch Immunity

—100

—nsec

MR to Reset Propagation

Delay

—0.5

—

µsec

in production.