9

DA9191EB.006

June 30,1997

ELECRICAL CHARACTERISTICS

x Digital Inputs

Parameter

Symbol

Conditions

Min

Typ

Max

Unit

Input voltage high PE2-6, PA0-2

V

Input voltage low PE2-6, PA0-2

GND-0.3

V

Input capacitance

8

pF

x Digital outputs

Output Voltage high, port 1FFE,

keypad

3.84

V

Output Voltage low, port 1FFE,

keypad

0.33

V

Output

Voltage

high,

LCD

interface

V

Output

Voltage

low,

LCD

interface

0.4

V

x Analog inputs

The characteristics of the MIC, EXTMIC, RX, IFIN, SIDE TONE etc. can be found from the MAS9191A data sheet.

x Analog outputs

The characteristics of the DAC1-3, TX, EARP, BUZZER, MICFB, SIDEFB etc. can be found from the MAS9191A

data sheet.

RECOMMENDED OPERATING CONDITIONS

Parameter

Symbol

Conditions

Min

Max

Unit

Supply Voltage

3.4

9.0

V

Storage Temperature

Ts

With LCD module

-20

70

Operating Temperature

To

With LCD module

0

50