© 1995 Microchip Technology Inc.

DS70010I-page 7

AY0438

2.0

ELECTRICAL CHARACTERISTICS

Maximum Ratings*

LCD

Power Dissipation.................................................................................................................................................250 mW

Storage Temperature............................................................................................................................... -65˚C to +125˚C

Operating Temperature Industrial.............................................................................................................. -40˚C to +85˚C

* Exceeding these ratings could cause permanent damage to the device. This is a stress rating only and functional

operation of this device at these conditions is not implied. Operating ranges are specified in Standard Conditions.

Exposure to absolute maximum rating conditions for extended periods may affect device reliability.

Data labeled “typical” is presented for design guidance only and is not guaranteed.

TABLE 2: DC CHARACTERISTICS

TABLE 3: AC CHARACTERISTICS

°C to +85°C

Characteristics

Sym

Min

Typ

Max

Units

Conditions

Supply Voltage

+3.0

—

+8.5

V

Supply Current

—25

60

µA

LCD

Φ OSC < 15 kHz

—13

30

µA

LCD

Φ OSC < 100 Hz

Input High Level

V

Input Low Level

Clock

0

—

V

3.0V

Data,

0

—

V

3.0V

Input Leakage Current

Load

—

0.01

±10

Input Capacitance

—

—

5.0

pF

Segment Output Voltage

µA

0

—

µA

LCD

Φ Input High Level

V

LCD

Φ Input Low Level

0

—

V

LCD

Φ Input Leakage

——

10

Characteristics

Sym

Min

Typ

Max

Units

Conditions

Clock Rate

f

DC

—

1.5

MHz

50% duty cycle

Data Set-up Time

150

—

—

nsec

Data change to Clk falling edge

Data Hold Time

50

—

—

nsec

Load Pulse Width

175

—

—

nsec

Data Out Prop. Delay

—

—

500

nsec