UM3243EESS datasheet(5/22 Pages) UNIONSEMI

Part #	UM3243EESS

Description	Low Supply Current, 3V to 5.5V, 250kbps, 3-Driver/5-Receiver, Enhanced ESD Protection Smart RS-232 Transceivers

PDF	22 Pages

Scroll/Zoom	100%

Manufacturer	UNIONSEMI [Union Semiconductor, Inc.]

Direct Link	http://www.union-ic.com

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5 / 22 page

http://www.union-ic.com Rev.01 Mar.2015

5/22

UM3243

Electrical Characteristics (Continued)

(VCC=+3.0V to +5.5V, C1- C4=0.1μF, TA=TMIN to TMAX, unless otherwise noted. Typical values are at

TA=25°C)

Parameter

Symbol

Conditions

Min

Typ

Max

Unit

TIMING CHARACTERISTICS

Maximum Data Rate

RL = 3kΩ to 7kΩ,

CL = 50pF to 1000pF,

One Transmitter Switching

250

kbps

Receiver Propagation

Delay

tPLH, tPHL

CL = 150pF

Figure 4

All Parts,

Normal

Operation

0.15

μs

Receiver Skew

|tPHL-tPLH|

0.1

μs

Receiver Output

Enable Time

tEN

CL = 150pF, RL = 3kΩ

Figure 5

0.2

μs

Receiver Output

Disable Time

tDIS

0.2

μs

Transmitter

Propagation Delay

tPLH, tPHL

RL = 3kΩ, CL = 2500pF,

All Transmitters Loaded

Figure 3

1.3

μs

Transmitter Skew

|tPHL-tPLH|

0.25

μs

Transition-Region

Slew Rate

SR(tr)

TA = +25°C, VCC = 3.3V,

RL = 3kΩ to 7kΩ, CL = 50pF

to 1000pF, Measured from

-3V to +3V or +3V to -3V,

Figure 2

V/μs

ESD AND LATCH UP PERFORMANCE

RIN_, TOUT_

ESD-Protection

Voltage

Human Body Model

±15

IEC61000-4-2,

Contact Discharge

±8

Other Pins

ESD-Protection

Voltage

Human Body Model

±2

Latch Up Performance

JEDEC Standard No.78D

±200

UM3243EESS Datasheet(PDF) 5 Page - Union Semiconductor, Inc.

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