UT3222G-P20-R datasheet(6/7 Pages) UTC

6 / 7 page

UT3222

Preliminary

CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

6 of 7

www.unisonic.com.tw

QW-R502-986.a



SWITCHING CHA RACTERISTICS over recommended ranges of supply voltage and operating

free-air temperature (unless otherwise noted) (see Note 3 and Figure 1)

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

(Note 1)

MAX

UNIT

DRIVER SECTION

Maximum Data Rate

CL=1000pF, RL =3kΩ, One Dout

switching

150

250

Kbit/s

Pulse Skew (Note 4)

tSK(p)

CL=150~2500pF, RL =3~7kΩ

300

Slew Rate, Transition Region

SR(tr)

RL =3~7kΩ,

VCC=3.3V

CL=150~1000pF

V/μs

CL=150~2500pF

RECEIVER SECTION

Propagation Delay Time, Low-

to High-Level Output

tPLH

CL=150pF

300

Propagation Delay Time, High-

to Low-Level Output

tPHL

CL=150pF

300

Output Enable Time

tEN

CL=150pF, RL =3kΩ

200

Output Disable Time

tDIS

CL=150pF, RL =3kΩ

200

Pulse Skew (Note 4)

tSK(P)

300

Notes: 1. All typical values are at VCC=3.3V or V CC=5V, and TA=25°C

2. Short-circuit durations should be controlled to prevent exceeding the device absolute power-dissipation

ratings, and not more than one output should be shorted at a time.

3. Test conditions are C1−C4=0.1μF at VCC=3.3V ± 0.3V; C1=0.047μF, C2−C4=0.33μF at VCC=5 V±0.5V.

4 Pulse skew is defined as |tPLH − tPHL| of each channel of the same device.

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