ZHCSR63I June 1999 – October 2022 SN65C3243 , SN75C3243
PRODUCTION DATA
PIN | TYPE | DESCRIPTION | |
---|---|---|---|
NO. | NAME | ||
1 | C2+ | — | Positive terminal of the voltage-doubler charge-pump capacitor |
2 | C2- | — | Negative terminal of the voltage-doubler charge-pump capacitor |
3 | V- | Negative charge pump output voltage | |
4 | RIN1 | I | RS-232 receiver inputs |
5 | RIN2 | ||
6 | RIN3 | ||
7 | RIN4 | ||
8 | RIN5 | ||
9 | DOUT1 | O | RS-232 driver outputs |
10 | DOUT2 | ||
11 | DOUT3 | ||
12 | DIN3 | I | Driver inputs |
13 | DIN2 | ||
14 | DIN1 | ||
15 | ROUT5 | O | Receiver outputs |
16 | ROUT4 | ||
17 | ROUT3 | ||
18 | ROUT2 | ||
19 | ROUT1 | ||
20 | ROUT2B | — | Always-active noninverting receiver output; |
21 | INVALID | O | Invalid Output Pin |
22 | FORCEOFF | I | Auto Powerdown Control input (Refer to Truth Table) |
23 | FORCEON | I | Auto Powerdown Control input (Refer to Truth Table) |
24 | C1- | — | Negative terminal of the voltage-doubler charge-pump capacitor |
25 | GND | — | Ground |
26 | VCC | — | 3-V to 5.5-V supply voltage |
27 | V+ | — | Positive charge pump output voltage |
28 | C1+ | — | Positive terminal of the voltage-doubler charge-pump capacitor |