If Military/Aerospace specified devices are required,

please contact the National Semiconductor Sales Office/

Distributors for availability and specifications.

ESD Tolerance (Note 2)

Human Body Model

2 kV

Machine Model

200V

Voltage at Input Pin

7V

Supply Voltage

7V

Current at Output Pin

15 mA

Current at Power Supply Pin (Note 3)

10 mA

Lead Temp. (Soldering, 10 sec.)

260˚C

Storage Temperature Range

−65˚C to +150˚C

Junction Temperature

150˚C

Supply Voltage

1.5V to 6V

Junction Temperature Range

LMC6953C

−40˚C to +85˚C

Thermal Resistance (

θ

M Package

165˚C/W

DC Electrical Characteristics

Unless otherwise specified, all boldface limits guaranteed for T

0.01 µF. Typical numbers are room temperature (25˚C) performance.

Symbol

Parameter

Conditions

Min

Typ

Max

Units

V

H5

V

T

(Note 4)

5.45

5.60

5.75

V

T

(Note 4)

5.30

5.60

5.90

V

V

L5

V

T

(Note 4)

4.25

4.40

4.55

V

T

(Note 4)

4.10

4.40

4.70

V

V

H3.3

3.3V Over-Voltage Threshold

T

(Note 5)

3.80

3.95

4.10

V

T

(Note 5)

3.60

3.95

4.30

V

V

L3.3

3.3V Under-Voltage Threshold

T

(Note 5)

2.50

2.65

2.80

V

T

(Note 5)

2.30

2.65

3.00

V

V

MR

Manual RESET Threshold

2.50

2.80

V

V

PF

Power Failure Differential Voltage

(Note 6)

150

300

mV

(3.3V Pin–5V Pin)

R

IN

Input Resistance at 5V and 3.3V Pins

35

k

Ω

V

OL

RESET Output Low

T

V

0.05

0.10

V

T

V

I

S

Supply Current

(Note 3)

0.8

1.50

mA

AC Electrical Characteristics

Unless otherwise specified, all boldface limits guaranteed for T

= 0.01 µF. Typical numbers are room temperature (25˚C) performance.

Symbol

Parameter

Conditions

Typ

LMC6953

Units

Limit

t

D

Over or Under Voltage Response Time

(Note 7)

150

490

ns

max

t

PF

Power Failure Response Time

(Note 8)

40

90

ns

max

t

RESET

Reset Delay

C

100

ms

Note 1: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is in-

tended to be functional, but specific performance is not guaranteed. For guaranteed specifications and the test conditions, see the Electrical Characteristics.

Note 2: Human body model, 1.5 k

Ω in series with 100 pF. Machine model. 200Ω in series with 100 pF.

3

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