UM3232EESE datasheet(8/16 Pages) UNIONSEMI

Part #	UM3232EESE

Description	Fail-Safe, Single Supply RS-232 Transceivers

Download	16 Pages

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Manufacturer	UNIONSEMI [Union Semiconductor, Inc.]

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

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8 / 16 page

________________________________________________________________________

http://www.union-ic.com Rev.09 Mar.2016

8/16

UM3221E/UM3222E/UM3232E

Typical Operating Circuits

Figure 2

+3.3V

C5

C1

C2

C4

+3.3V

C1+

C1-

C2+

C2-

400k

T1OUT

T1IN

R1IN

R1OUT

VCC

V+

V-

5k

+

+3.3V

400k

T2OUT

T2IN

R2IN

R2OUT

5k

GND

19

2

4

5

6

3

7

13

12

17

8

15

10

16

9

TTL/CMOS

INPUTS

TTL/CMOS

OUTPUTS

RS-232

OUTPUTS

RS-232

INPUTS

UM3222E

18

20

1 EN

SHDN

+

C3

+3.3V

C5

C1

C2

C4

+3.3V

C1+

C1-

C2+

C2-

400k

T1OUT

T1IN

R1IN

R1OUT

VCC

V+

V-

5k

+

GND

15

2

4

5

6

3

7

11

13

9

8

TTL/CMOS

INPUT

TTL/CMOS

OUTPUT

RS-232

INPUT

UM3221E

14

16

1 EN

SHDN

RS-232

OUTPUT

+

C3

+3.3V

C5

C1

C2

C4

+3.3V

C1+

C1-

C2+

C2-

400k

T1OUT

T1IN

R1IN

R1OUT

VCC

V+

V-

5k

+

+3.3V

400k

T2OUT

T2IN

R2IN

R2OUT

5k

GND

16

1

3

4

5

2

6

11

10

14

7

12

9

13

8

TTL/CMOS

INPUTS

TTL/CMOS

OUTPUTS

RS-232

OUTPUTS

RS-232

INPUTS

UM3232E

15

+

C3

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UM3232EESE Datasheet(PDF) 8 Page - Union Semiconductor, Inc.

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