DS1218

2 of 4

ABSOLUTE MAXIMUM RATINGS*

Voltage on Any Pin Relative to Ground

-0.5V to +7.0V

Operating Temperature

0

°C to 70°C

Storage Temperature

-55

°C to +125°C

Soldering Temperature

260

°C for 10 seconds

*

This is a stress rating only and functional operation of the device at these or any other conditions

above those indicated in the operation sections of this specification is not implied. Exposure to

absolute maximum rating conditions for extended periods of time may affect reliability.

RECOMMENDED DC OPERATING CONDITIONS

(0

°C to 70°C)

PARAMETER

SYMBOL

MIN

TYP

MAX

UNITS

NOTES

Supply

4.5

5.0

5.5

V

1

Logic 1

2.0

5.5

V

1

Logic 0

-0.3

0.8

V

1

Battery Supply

2.5

3.0

3.5

V

1

DC ELECTRICAL CHARACTERISTICS

(0

°C to 70°C; V

PARAMETER

SYMBOL

MIN

TYP

MAX

UNITS

NOTES

Active Current

25

mA

3

Battery Current

100

nA

3, 4

RAM Current

≥ V

80

mA

5

RAM Current

≥ V

70

mA

Input Leakage

-1.0

+1.0

µA

CEO

Output @ 2.4V

-1.0

mA

CEO

Output @ 0.4V

4.0

mA

CAPACITANCE

PARAMETER

SYMBOL

MIN

TYP

MAX

UNITS

NOTES

Input Capacitance

5pF

Output Capacitance

7pF

AC ELECTRICAL CHARACTERISTICS

(0

°C to 70°C; V

PARAMETER

SYMBOL

MIN

TYP

MAX

UNITS

NOTES

CE

Propagation Delay

410

ns

2

Recovery at Power-up

0.2

2

ms

500

µs

CE

Pulse Width

1.5

µs

6, 7