CHAPTER 7: ELECTRICAL CHARACTERISTICS

CHAPTER 7 ELECTRICAL CHARACTERISTICS

7.1

Absolute Maximum Rating

 

 

 

 

 

 

 

 

 

 

(VSS=0V)

 

 

Item

Symbol

 

Rated value

 

Unit

 

 

Supply voltage

VDD

 

-0.5 to 7.0

 

V

 

 

Input voltage (1)

VI

 

-0.5 to VDD + 0.3

 

V

 

 

Input voltage (2)

VIOSC

 

-0.5 to VD1 + 0.3

 

V

 

 

Permissible total output current ∗1

ΣIVDD

 

10

 

mA

 

 

Operating temperatureTopr

 

-20 to 70

 

°C

 

 

Storage temperatureTstg

 

-65 to 150

 

°C

 

 

Soldering temperature / timeTsol

 

260°C, 10sec (lead section)

 

–

 

 

Permissible dissipation ∗2

PD

 

250

 

mW

 

 

∗1

The permissible total output current is the sum total of the current (average current) that simultaneously flows from the

 

 

output pin (or is drawn in).

 

 

 

 

 

 

 

∗2

In case of plastic package (QFP15-128pin).

 

 

 

 

7.2 Recommended Operating Conditions

(Ta=-20 to 70°C)

Item

Symbol

 

ConditionMin.Typ.Max.

Unit

Supply voltage

VDD

VSS=0V

 

OSC3 oscillation OFF

2.2

 

5.5

V

 

 

 

 

OSC3 oscillation ON

2.2

 

5.5

V

 

 

 

 

When DTMF is used

2.5

 

5.5

V

 

 

 

 

When FSK is used

2.5

 

5.5

V

Oscillation frequency

fOSC1

Crystal oscillation

 

 

–

32.768

–

kHz

 

fOSC3

Ceramic oscillation

 

 

–

3.58

3.6

MHz

SVD terminal input voltage

SVD

SVD≤VDD, VSS=0V

0

 

5.5

V

160

EPSON

S1C63558 TECHNICAL MANUAL