SL3232E

SL3232E MICROCIRCUIT SL3232E, INTERFACE TRANSCEIVER OF THE SERIAL DATA OF THE STANDARD RS -232 The interface transceiver of the serial data of the standard RS - 232 SL3232E with the single supply voltage and bipolar output voltage of the transmitter, formed by means of the built-in voltage multiplication oscillator at four external capacitances, equal to 0.1 uF, corresponding to the standards of EIA/TIA-232E, V.28, is intended for application in the contemporary high efficiency computing systems with the wide range of the supply voltage, fast response electron devices with the high reliability of the exchange information among the remote objects. Performed functions, composition and structure: Microcircuit contains 2 transmitters and 2 receivers of the serial data of the standard RS232. The microcircuit supply voltage range is from 3.0 to 5.5 V. SOP-16 Pinning С1+ 01 V+ 02 Input Output RXIN, RXOUT , TXOUT TXIN H L L H Note – L – low voltage level; H – high voltage level www.slkormicro.com 1 VCC 15 GND C1- 03 14 TXOUT1 C2+ 04 13 RXIN1 C2- 05 12 RXOUT1 V- 06 11 TXIN1 TXOUT2 07 10 TXIN2 RXIN2 08 Тruth Table 16 09 RXOUT2 SL3232E Functional electric circuit C4 + VCC 01 + + TXIN1 C1 03 04 C2 05 + C3 VCC 16 C1+ V+ C1- V- C2+ RXOUT2 C5 + 14 11 TXOUT1 10 07 12 13 RS-232 outputs TXOUT2 RXIN1 RXOUT1 TTL/CMOS outputs 06 C2- TTL/CMOS inputs TXIN2 02 RS-232 inputs 5к 09 08 RXIN2 5к GND 15 С1 – capacitor with capacitance of 0.1 uF ± 10 % at UCC = 3.3 V ± 10% and 0.047 uF ± 10 % UF at UCC = 5.0 V ± 10% С2, С4, С5– capacitors with capacitance of 0.1 uF ± 10 % at UCC = 3.3 V ± 10% and 0.33 ± 10 % uF at UCC = 5.0 V ± 10% С3 – capacitor with capacitance of 0.1 uF ± 10 % www.slkormicro.com 2 SL3232E Pin description table Number 01 02 03 04 05 06 Identification C1+ V+ C1C2+ C2V- Pin Description External capacitance pin of the positive voltage multiplication block Output of the multiplication block positive voltage External capacitance pin of the positive voltage multiplication block External capacitance pin of the negative voltage multiplication block External capacitance pin of the negative voltage multiplication block Output of the multiplication block negative voltage 07 Transmitter output (levels RS-232) 08 Receiver input (levels RS-232) 09 Receiver output (levels ТТL/CMOS) RXOUT2 10 11 Transmitter input (levels ТТL/CMOS) Transmitter input (levels ТТL/CMOS) TXIN2 TXIN1 12 Receiver output (levels ТТL/CMOS) RXOUT1 13 Receiver input (levels RS-232) 14 Transmitter output (levels RS-232) 15 16 Common pin Supply pin from voltage source TXOUT2 RXIN2 RXIN1 TXOUT1 GND VCC Maximum & Absolute maximum rating Absolute maximum rating Parameter, Unit Supply voltage, V Voltage at transmitter output, V Positive voltage at multiplication block output, V Negative voltage at multiplication block output, V Receiver input voltage, V Receiver output voltage, V Low level transmitter input voltage, V High level transmitter input voltage, V Voltages total at the positive and negative pins of the voltage multiplication block, V Ambient temperature, °С www.slkormicro.com Maximum rating Symbol Ucc UOT Min 3.0 – Max 5.5 – Min -0.3 -13.2 Max 6 13.2 UOV+ 5.0 – -0.3 7.0 UOV- -5.0 – -7.0 0.3 UIR UOR UIL -25 – 0 2.0 (Ucc=3.3 V) 2.4 (Ucc=5.0 V) 25 – 0.8 -25 -0.3 -0.3 25 Ucc+0.3 Ucc – 6 UIH UV++ UV- – – – 13 Та -40 85 -65 150 3 SL3232E Electric Parameters (С1=0.047 UF, С2-С4 = 0.33 uF at Ucc = 5.0 V ±10%, C1-C4 = 0.1 uF at Ucc=3.3 V ±10%, Ta= -40 ÷ 85°C, if not indicated otherwise) Norm Parameter, Unit Symbol Measurement Mode Min Max Outputs in the idle run mode, Static consumption current, mА Icc – 1.0 Та = 25°С, Uсс = 3.3 V or 5.0 V Transmitter leakage input current, uА II – – ±1 Low level receiver output voltage, V UOL IOUT = 1.6 mА – 0.4 High level receiver output voltage, V UOH IOUT = -1.0 mА Ucc-0.6 Receiver input voltage, V UIR – -25 25 Low level receiver input threshold Ucc = 3.3 V 0.6 – UTHL Ta = 25°C voltage, V Ucc = 5.0 V 0.8 – High level receiver input threshold Ucc = 3.3 V – 2.4 UTHH Ta = 25°C voltage, V Ucc = 5.0 V – 2.4 Receiver input resistance, kOhm RINR 3 7 Ta = 25°C Outputs of transmitters are Variation range of receiver output connected to the zero UOT – ±5 voltage, V potential via the resistors 3 kOhm Ucc = UV+ = UV- = 0 V, Transmitter output resistance, Оhm 300 ROT UTOUT = ±2 V Transmitter short circuit output IOST – – ±60 current, mА RL = 3 kOhmк, CL = 1000 pF, Maximum rate of the information one transmitter is switched 120 – ST transfer, kbit/sec over CL = Ucc = 3.3 V, =1506 30 RL = 3-7 kOhm, 1000 pF Ta = 25°С, Alteration rate of the transmitter output SR UOT = 3 ÷ –3 V or front, V/usec CL = –3 ÷ 3V, =1504 30 one transmitter is 2500 pF switched. www.slkormicro.com 4 SL3232E Time chart of the receiver's input and output signals tLH tHL 0.9 0.9 3V RXIN 1.5 V 1.5 V 0.1 0.1 t PHL R 0V t PLH R UOH 0.5Vcc RXOUT 0.5Vcc UOL Time chart of the transmitter's input and output signals tLH 3V 0.9 0.9 TXIN 1.5 V 1.5 V 0.1 0.1 t PHL T 0V t PLH T UOH TXOUT 1.5 V 1.5 V UOL Time chart of the transmitter's input and output signals tHL tLH TXIN 0.9 0.1 0.1 t -3 V TXOUT 5 0V t TLH +3 V www.slkormicro.com 3V 0.9 TH L U +3 V -3 V U OH OL SL3232E Structural switch-on digram of microcircuits in operation C4 + 5В + C3 VCC + C1 C1+ V+ C1+ C2 V- C2+ C2- TTL/CMOS inputs + TX1IN TX1OUT TX2IN TX2OUT RX2OUT RX2IN GND www.slkormicro.com RS-232 ouputs RX1IN RX1OUT TTL/CMOS outputs C5 6 RS-232 inputs