1)

If Military/Aerospace specified devices are required,

please contact the National Semiconductor Sales Office/

Distributors for availability and specifications.

V

DD

−0.5V to 6V

A0, A1, A2, SCL, SDA, RST

(Collectively called digital pins)

6V

Voltage on LED pins

V

Junction Temperature

150˚C

Storage Temperature

−65˚C to 150˚C

Power Dissipation (Note 3)

1.76W

ESD (Note 4)

Human Body Model

2 kV

Machine Model

150V

Charge Device Model

1 kV

V

DD

2.3V to 5.5V

Junction Temperature

−40˚C to +125˚C

Operating Ambient Temperature

−40˚C to +85˚C

Thermal Resistance (

θ

LLP24 (Note 3)

37˚C/W

Power Dissipation

1.08W

Electrical Characteristics

Unless otherwise noted, V

in boldface type apply over the entire junction temperature range for operation, T

Symbol

Parameter

Conditions

Typical

Limit

Units

Min

Max

POWER SUPPLY

V

DD

Supply Voltage

5

2.3

5.5

V

I

Q

Supply Current

No Load

350

550

µA

Standby

2.0

5

∆I

Q

Additional Standby Current

V

at 4.3V

2

mA

V

POR

Power-On Reset Voltage

1.8

1.96

V

t

w

Reset Pulse Width

10

ns

LED

V

IL

LOW Level Input Voltage

−0.5

0.8

V

V

IH

HIGH Level Input Voltage

2.0

5.5

V

I

OL

Low Level Output Current

(Note 6)

V

9

mA

V

12

V

15

V

15

V

20

V

25

I

LEAK

Input Leakage Current

V

−1

1

µA

C

I/O

Input/Output Capacitance

(Note 7)

2.6

5

pF

ALL DIGITAL PINS (EXCEPT SCL AND SDA PINS)

V

IL

LOW Level Input Voltage

−0.5

0.8

V

V

IH

HIGH Level Input Voltage

2.0

5.5

V

I

LEAK

Input Leakage Current

−1

1

µA

C

IN

Input Capacitance

V

2.3

5

pF

I

V

IL

LOW Level Input Voltage

-0.5

0.3V

DD

V

V

IH

HIGH Level Input Voltage

0.7V

DD

5.5

V

V

OL

LOW Level Output Voltage

0

0.2V

DD

V

I

OL

LOW Level Output Current

V

6.5

3

mA

F

CLK

Clock Frequency

(Note 7)

400

kHz

t

HOLD

Hold Time Repeated START

Condition

(Note 7)

0.6

µs

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