LSI

LS3273E

Version1.0(05.05.10)

5

Absolute Maximum Ratings

Supply voltage Vdd - Vss..........................0 to 5V

Input voltage Vin.................................Vss to Vdd

Operating temperature Top .............-10°C to 60°C

Storing temperature Tst ...................-40°C to 70°C

Comments

Stress

above those

listed

under

”Absolute

Maximum

Ratings”

may cause

permanent damage to the device. These are stress rating only. Functional operation

of this device at these or any other conditions above those indicated in the operational

sections of this specification is not implied and exposure to absolute maximum rating

conditions for extended periods may affect device reliability.

D.C. Electrical Characteristics

(GND = 0V, Vdd = 1.5V, Ta = 25°C unless otherwise specified)

Parameter

Symbol

Min.

Typ.

Max.

Unit

Conditions

Supply Voltage

Vdd

1.25

1.5

1.75

V

Operating current

Idd

-

2

3

µA

No load

OSC. built-in cap

Cd

-

20

-

pF

OSC. trimmer cap

Ctrim

5

-

35

pF

Frequency stability

^f/f

-

-

10

ppM

Vdd=1.6-1.4

Buzzer output current

Ib

200

-

-

µA

Vbd-Vss=0.5

LCD frequency

Flcd

-

64

-

Hz

Segment current

Is

0.15

-

-

µA

Vseg=0.2V

Common current

Ic

3.0

-

-

µA

Vcom=0.2V