MAX214

19-0199; Rev 1; 8/95 Programmable DTE/DCE, +5V RS-232 Transceiver _______________General Description The MAX214 +5V RS-232 transceiver provides a complete, 8-line, software-configurable, DTE or DCE port RS-232 interface. Tx, Rx, RTS, CTS, DTR, DSR, DCD, and RI circuits can be configured as either Data Terminal Equipment (DTE) or Data Circuit-Terminating Equipment (DCE) using the DTE/DCE control pin. The MAX214 eliminates the need to swap cables when switching between DTE and DCE configurations. ____________________________Features o Eliminates Null Modem Cables o Programmable DTE or DCE Serial Port o 1µF Charge-Pump Capacitors o 116kbps Data Rate—Guaranteed o 20µA Shutdown Mode o Receivers Active in Shutdown MAX214 ________________________Applications AT-Compatible Laptop Computers AT-Compatible Desktop Computers Modems, Printers, and Other Peripherals ______________Ordering Information PART MAX214CPI MAX214CWI TEMP. RANGE 0°C to +70°C 0°C to +70°C 0°C to +70°C -40°C to +85°C -40°C to +85°C PIN-PACKAGE 28 Plastic DIP 28 Wide SO Dice* 28 Plastic DIP 28 Wide SO __________Typical Operating Circuit +5V 1µF 16 27 1µF C1+ VCC V+ 28 C11 C2+ 2 C2DTE DCE 6 RA DTE 25 TB 23 RB DTE 24 TC DTE DCE 22 RC DCE 7 RDC DTE 8 21 26 3 RE DTE/DCE SHDN HI-Z GND 13 DTE DCE RTC 17 RDTC 11 RRE 12 TRC 18 DTE DCE RTB 19 TRB 20 RTA 10 TRA 9 15 1µF MAX214C/D MAX214EPI MAX214EWI * Dice are specified at TA = +25°C. __________________Pin Configuration TOP VIEW 1µF MAX214 V- 14 1µF 5 TA C2+ C2HI-...