±15kV ESD-Protected, 1µA, 1Mbps 3.0V to 5.5V,

RS-232 Transceivers with AutoShutdown Plus

16

15

14

13

12

11

10

9

1

2

3

4

5

6

7

8

READY

C1+

V+

C1-

C2+

C2-

V-

R1IN

FORCEOFF

GND

T1OUT

FORCEON

T1IN

INVALID

R1OUT

MAX3226E

MAX3227E

SSOP/TSSOP

28

27

26

25

24

23

22

21

20

19

18

17

16

15

1

2

3

4

5

6

7

8

9

10

11

12

13

14

C1+

V+

GND

C1-

FORCEON

FORCEOFF

INVALID

R2OUTB

R1OUT

R2OUT

R3OUT

R4OUT

R5OUT

C2+

C2-

V-

R1IN

R2IN

R3IN

R4IN

R5IN

T1OUT

T2OUT

T3OUT

T3IN

T2IN

T1IN

SO/SSOP/TSSOP

MAX3244E

MAX3245E

20

19

18

17

16

15

14

13

1

2

3

4

5

6

7

8

FORCEOFF

GND

T1OUT

C1-

V+

C1+

READY

R1IN

R1OUT

FORCEON

T1IN

T2OUT

V-

C2-

C2+

12

11

9

10

T2IN

INVALID

R2OUT

R2IN

DIP/SSOP/TSSOP

MAX3224E

MAX3225E

GND

C1-

FORCEOFF

INVALID

R1OUT

R2OUT

N.C.

R2OUTB

FORCEON

R3IN

R4IN

R5IN

T1OUT

T2OUT

T3OUT

R1IN

1

2

3

4

5

6

7

8

9

10 11 12 13 14 15 16 17 18

27

26

25

24

23

22

21

20

19

TQFN

MAX3245E

TOP VIEW

*EP

N.C.

R2IN

36 35 34 33 32 31 30 29 28

15

16

14

13

6

5

7

8

12

READY

4

12

11

9

V+

C1+

T1IN

INVALID

R1OUT

R1IN

MAX3226E

MAX3227E

3

10

*EP

*CONNECT EP TO GND.

TQFN

TOP VIEW

MAX3224E

MAX3225E

TQFN

TOP VIEW

19

20

18

17

7

6

8

9

12

FORCEOFF

45

15

14

12

11

READY

V+

INVALID

R2OUT

R2IN

T2OUT

3

13

16

10

T2IN

GND

*EP

FORCEOFF

+

+

+

+

+

+

___________________________________________________________ Pin Configurations

Maxim Integrated

19

MAX3224E/MAX3225E/

MAX3226E/MAX3227E/MAX3244E/MAX3245E