synopsys学习资料-TI_SN65C3238PW_DS__3rx5tx-rs232-line-driver_.pdf

SLLS352F − JUNE 1999 − REVISED OCTOBER 2004 Auto-powerdown Plus DB, DW, OR PW PACKAGE (TOP VIEW) Operate With 3-V to 5.5-V VCC Supply Always-Active Noninverting Receiver C2+ 1 28 C1+ Output (ROUT1B) GND 2 27 V+ Support Operation From 250 kbit/s to C2− 3 26 VCC 1 Mbit/s V− 4 25 C1− Low Standby Current . . . 1 µA Typ DOUT1 5 24 DIN1 DOUT2 6 23 DIN2 External Capacitors . . . 4 × 0.1 µF DOUT3 7 22 DIN3 Accept 5-V Logic Input With 3.3-V Supply RIN1 8 21 ROUT1 Inter-Operable With SN65C3243, RIN2 9 20 ROUT2 SN75C3243 DOUT4 10 19 DIN4 RS-232 Bus-Pin ESD Protection Exceeds RIN3 11 18 ROUT3 ±15-kV Using Human-Body Model (HBM) DOUT5 12 17 DIN5 Applications FORCEON 13 16 ROUT1B − Battery-Powered Systems, PDAs, FORCEOFF 14 15 INVALID Notebooks, Sub-Notebooks, Laptops, Palmtop PCs, Hand-Held Equipment, Modems, and Printers desc