ST3384E 15KV ESD-PROTECTED, 3 TO 5.5V, LOW POWER, UP TO 250KBPS, RS-232 TRANSCEIVER ESD PROTECTIO FOR RS-232 I/O PINS 15KV (HUMAN BODY MODEL) LATCHUP FREE 1A LOW POWER SHUTDOWN 300A SUPPLY CURRENT 250Kbps GUARENTEED DATA RATE 20s TYPICAL TIME TO EXIT SHUTDOWN 6V/s GUARANTEED SLEW RATE MEET EIA/TIA-232 SPECIFICATIONS DOWN SO-18 SSOP20 TO 3V PACKAGES: SO-18 AND SSOP-20 DESCRIPTION The ST3384E is a 3V powered EIA/TIA-232 and The device is guaranteed to run at data rates of V.28/V.24 communications interface with low 250Kbps while maintaining RS-232 output levels. power requirements, high data-rate capabilities The ST3384E has two receivers and two drivers. It and enhanced electrostatic discharge (ESD) features a 1A shutdown mode that reduces protection. All transmitter outputs and receiver power consumption and extends battery life in inputs are protected to 15kV using the Human portable systems. Body Model. The ST3384E has a proprietary low Typical applications are in Notebook, dropout transmitter output stage enabling true Sub-notebook, and Palmtop Computers, Battery RS-232 performance from 3 to 5.5V supplies with Powered Equipment, Hand-Held Equipment, a dual charge pump. The charge pump require Peripherals, Printers. only four small 0.1F external capacitors for operation from a 3.3V supply. ORDERING CODES Temperature Type Package Comments Range ST3384ECD 0 to 70 C SO-18 (Tube) 50 parts per tube / 20 tube per box ST3384EBD -40 to 85 C SO-18 (Tube) 50 parts per tube / 20 tube per box ST3384ECDR 0 to 70 C SO-18 (Tape & Reel) 1000 parts per reel ST3384EBDR -40 to 85 C SO-18 (Tape & Reel) 1000 parts per reel ST3384ECPR 0 to 70 C SSOP20 (Tape & Reel) 1350 parts per reel ST3384EBPR -40 to 85 C SSOP20 (Tape & Reel) 1350 parts per reel July 2003 1/11 Obsolete Product(s) - Obsolete Product(s) ST3384E PIN CONFIGURATION SO-18 SSOP20 PIN DESCRIPTION PlN N PlN N SYMBOL NAME AND FUNCTION (SO-18) (SSOP20) 1 1, 10, 11 N.C. Not Connected Positive Terminal for the first Charge Pump C+ 22 1 Capacitor 3 3 V+ 5.5V Generated By The Charge Pump Negative Terminal for the first Charge Pump C- 44 1 Capacitor Positive Terminal for the second Charge Pump C+ 55 2 Capacitor Negative Terminal for the second Charge Pump C- 66 2 Capacitor 7 7 V- -5.5V Generated By The Charge Pump T2 Second Transmitter Output Voltage 88 OUT R2 Second Receiver Input Voltage 99 IN R2 Second Receiver Output Voltage 10 12 OUT T2 Second Transmitter Input Voltage 11 13 IN T1 First Transmitter Input Voltage 12 14 IN R1 First Receiver Output Voltage 13 15 OUT 14 16 R1 First Receiver Input Voltage IN 15 17 T1 First Transmitter Output Voltage OUT 16 18 GND Ground 3V to 5.5V Supply Voltage. Connect a 0.1F V 17 19 CC capacitor to GND 18 20 SHDN Active Low Shutdown Control Input. Drive Low To Shut-down Transmitters, receiver and Charge Pump 2/11 Obsolete Product(s) - Obsolete Product(s)