SP3203E 데이터 시트보기 (PDF) - Unspecified

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SP3203E

3V RS-232 Serial Transceiver with Logic Selector and 15kV ESD Protection

Unspecified 

+

C5 0.1µF

20 19

Shutdown VCC

1 C1+

+

C1 0.1µF

3 C1-

12

VL

V+ 2

4 C2+

+

C2 0.1µF

5 C2-

7 T1IN

SP3203E V- 6

T1OUT 17

8 T2IN

T2OUT 16

9 T3IN

T3OUT 15

+

C3 0.1µF

C4 0.1µF

+

11 R1OUT

10 R2OUT

R1IN 14

R2IN 13

DB-9

Connector

GND

18

6

7

8

9

1

2

3

4

5

DB-9 Connector Pins:

1. Received Line Signal Detector

2. Received Data

3. Transmitted Data

4. Data Terminal Ready

5. Signal Ground (Common)

6. DCE Ready

7. Request to Send

8. Clear to Send

9. Ring Indicator

Figure 10. Circuit for the connectivity of the SP3203E with a DB-9 connector

Exar Corporation 48720 Kato Road, Fremont CA, 94538 • (510)668-7017 • www.exar.com

11

SP3203E_100_120810

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