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ST75285

ST Microelectronics
Part Number ST75285
Manufacturer ST Microelectronics
Description MULTIPLE RS-232 DRIVERS AND RECEIVERS
Published Jun 13, 2005
Detailed Description ST75285 MULTIPLE RS-232 DRIVERS AND RECEIVERS s s s MEETS AND EXCEEDS THE REQUIREMENTS OF EIA/TIA-232-E AND ITUV.28 S...
Datasheet PDF File ST75285 PDF File

ST75285
ST75285

Overview
ST75285 MULTIPLE RS-232 DRIVERS AND RECEIVERS s s s MEETS AND EXCEEDS THE REQUIREMENTS OF EIA/TIA-232-E AND ITUV.
28 STANDARD SINGLE CHIP WITH EASY INTERFACE BETWEEN UART AND SERIAL PORT CONNECTOR OF IBM PC/ATTM AND COMPATIBLES DESIGNED TO SUPPORT DATA RATES UP TO 120 Kbps TSSOP DESCRIPTION The ST75285 contains six drivers and ten receivers.
The pinout matches the DB9S connector design in order to decrease the part count, reduce the board space required and allow easy interconnection of the UART and serial port connector of IBM PC/ATTM and compatibles.
The bipolar circuits and processing of the ST75285 provides a rugged low-cost solution for this function at the expense of quiescent power and external passive components relative to the ST75C185.
The ST75285 complies with the requirements of the EIA/TIA 232-E and ITU (formally CCITT) v.
28 standards.
These standards are for data interchange between a host computer and ORDERING CODES Type ST75285CTR Temperature Range 0 to 70 °C Package peripheral at signalling rates up to 20k-bits/s.
The switching speeds of the ST75285 are fast enough to support rates up to 120K-bits/s with lower capacitive loads (shorter cables).
Interoperability at the higher signalling rates cannot be assured unless the designer has design control of the cable and the interface circuits at the both ends.
For interoperability at signalling rates to 120 K-bits/s, use of EIA/ITA-423-B (ITU v.
10) and EIA/ ITA-422-B (ITU v.
11) standards are recommended.
It allows space saving in applications where two ST75185 are needed.
Comments 2500 parts per reel TSSOP38 (Tape & Reel) December 2002 1/13 ST75285 PIN DESCRIPTION PlN N° 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 SYMBOL VDD RIN1 RIN2 RIN3 TOUT1 TOUT2 RIN4 TOUT3 RIN5 VCC RIN6 TOUT4 RIN7 TOUT5 TOUT6 RIN8 RIN9 RIN10 VDD VSS ROUT10 ROUT9 ROUT8 TIN6 TIN5 ROUT7 TIN4 ROUT6 GND ROUT5 TIN3 ROUT4 TIN2 TIN1 ROUT3 ROUT2 ROUT1 VSS NAME AND FUNCTION...


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