Tel: 886-2-66296288

Fax: 886-2-29174598

URL: http://www.princeton.com.tw

PT2268 V2.5

- 8 -

April, 2006

Remote Control Encoder

PT2268

ABSOLUTE MAXIMUM RATINGS

Parameter

Symbol

Rating

Unit

Supply voltage

Vcc

0 ~ 6.0

V

Input/Output voltage

Vin/Vout

Vss-0.2 ~ Vcc+0.3

V

Power dissipation

PD

500

mW

Operating temperature

Topr

-40 ~ +85

℃

Storage temperature

Tstg

-65 ~ +150

℃

ELECTRICAL CHARACTERISTICS

Normal Operating Condition: Ta=0℃ ~ +70℃, VCC-VSS=3V

±10%

Parameter

Symbol

Condition

Min.

Typ.

Max.

Unit

Operating voltage

VCC

2.2

3

5

V

Operating current

IOP

OSC On

TxOUT is floating.

(See Note)

500

1000

µA

Stand-by current

ISB

I1 ~ I8=“L”

OSC Stops.

TxOUT is floating.

0.5

1

3

µA

Sinking current of TxOUT

ISINK

VOL=2.2 V, VDD=3V

VOL=1.5 V, VDD=3V

8

4

15

6

mA

Input voltage of I1 ~ I8

VIH

VIL

0.7VCC

0

-

-

VCC

0.3VCC

V

Input pull-low resistor

RL

30

50

80

K

Ω

Input pull-high resistor

RH

40

90

150

K

Ω

OSC frequency

455

KHz

Note: For pins I1~I8: Any one of the said pins is set to HIGH while the others are set to LOW.