LSI

LS6055

Version 0.2 (15.02.01)

6

Pin Assignment

DESIGNATION

TYPE

DESCRIPTION

B [0:1]

OUTPUT

Buzzer output

VC1, VC2

OUTPUT

Halfer output

VEE

OUTPUT

Halfer voltage

T2, T1

INPUT (PL)

TEST pin

OO

OUTPUT

oscillator output

OI

INPUT

oscillator input

VDD

POWER

+3.0V power supply

GND

POWER

Ground

I0-I5

INPUT(PL)

Input key

R[0:1]

OUTPUT

Motor Output

C[1:3]

OUTPUT

LCD Common output

S[1:28]

OUTPUT

LCD Segment output

Note: (PL) – pull low

(PH) - pull high

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 = 3.0V, Ta = 25°C unless otherwise specified)

Parameter

Symbol

Min.

Typ.

Max.

Unit

Conditions

Supply Voltage

Vdd

2.5

3.0

3.6

V

Operating current

Idd

-

3

6

µA

No load

OSC. built-in cap

Cd

-

15

-

pF

Bonding option

Buzzer output current

Ib

500

-

-

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

R[0:1] output current

Ir

0.8

-

-

mA

Vr-Vss=0.7