ILX208DW Interface IC of data serial transfer with one supply voltage Interface transceivers of serial data as per RS - 232 MAX208 standard with one supply voltage and transmitter bipolar output voltage formed by the embedded voltage multiplication oscillator on 4 external capacitances equal to 0,1mkF, corresponding to EIA/TIA-232E, V.28 standards, are purposed for application in up-to-date high-performance calculating systems, high-speed electronic devices with high reliability of information exchange between remote objects. Functions: 4 transmitters and 4 receivers of serial data as per RS – 232 standards Truth table Inputs RIN, TIN H L Outputs ROUT, TOUT L H Note H – high voltage level; L – low voltage level T2OUT 01 24 T3OUT T1OUT 02 23 R3IN R2IN 03 22 R3OUT R2OUT 04 21 T4IN T1IN 05 R1OUT 06 20 T4OUT ILX208DW 19 T3IN R1IN 07 18 T2 IN GND 08 17 R4OUT VCC 09 16 R4 IN C1+ 10 15 V- V+ 11 14 C2- C1- 12 13 C2+ Figure 1 – Symbols of pins in package 1 Packaged IC marking ILX208DW SOIC TA = from -40 to 85 °C ILX208DW 5В 10 + 6.3 V + 16 V 12 13 14 0.1 mkF 0.1 mkF 6.3 V + + 9 C1+ V+ 11 C1- V- C2+ 15 C2- + 16 V +5 V 400к T1in 2 5 400к T2in 1 18 T2out +5 V 400к T3in R1out TTL/CMOS outputs R2out 24 19 TTL/CMOS inputs T4in +5 V 400к 21 20 T3out RS-232 outputs T4out 7 6 R1in 5к 4 3 5к R3out T1out +5 V 22 23 R2in RS-232 inputs R3in 5к R4out 17 16 5к 8 Figure 2 – Block diagram 2 R4in ILX208DW Pin description Pin number Pin name Symbol 01 Transmitter data output (levels RS – 232) T2OUT 02 Transmitter data output (levels RS – 232) T1OUT 03 Receiver data input (levels RS – 232) 04 Receiver data output (levels RS – 232) 05 Transmitter data input (levels TTL/CMOS) 06 Receiver data output (levels RS – 232) 07 Receiver data input (levels RS – 232) R1IN 08 Common output GND 09 Supply output from voltage source VCC 10 Output of external capacitance of positive voltage multiplication block C1+ 11 Output of multiplication block positive voltage V+ 12 Output of external capacitance of positive voltage multiplication block C1- 13 Output of external capacitance of negative voltage multiplication block C2+ 14 Output of external capacitance of negative voltage multiplication block 15 Output of multiplication block negative voltage 16 Receiver data input (levels RS – 232) 17 Receiver data output (levels TTL/CMOS) R4OUT 18 Transmitter data input (levels TTL/CMOS) T2IN 19 Transmitter data input (levels TTL/CMOS) T3IN 20 Transmitter data output (levels RS – 232) T4OUT 21 Transmitter data input (levels TTL/CMOS) T4IN 22 Receiver data output (levels TTL/CMOS) R3OUT 23 Receiver data input (levels RS – 232) 24 Transmitter data output (levels RS – 232) R2IN R2OUT T1IN R1OUT C2VR4IN R3IN 3 T3OUT ILX208DW Absolute maximum ratings Symbol Parameter Unit Rate min max VCC Supply voltage -0.3 6.0 V- Transmitter low output voltage 0.3 -14 V+ Transmitter high output voltage VCC - 0.3 V 14 V VTIN Transmitter input voltage -0.3 V+ + 0.3 V VRIN -30 РРК Receiver input voltage Dissipated power (for copper frame) 30 941 mW ISC Transmitter short-circuit output current Continuously mA Та Ambient temperature -60 150 °С Rate min Max - Maximum ratings Symbol Parameter Unit VCC Supply voltage 4.5 5.5 V- Transmitter low output voltage -5.0 - V+ Transmitter high output voltage 5.0 VTIN Transmitter input voltage VRIN Receiver input voltage 0 -30 VCC 30 - ±60 mA -40 85 °С ISC Transmitter short-circuit output current Та Ambient temperature 4 V ILX208DW Static parameters Symbol Parameter Test conditions min - Rate from -40 to 85 °C max min max 20 28* 0.2 0.9 0.2 1.0 - 2.4 - 2.3 0.8 - 0.9 - - 0.3 - 0.4 3.6 - 3.5 - 3.0 7.0 - 25°C ICC Consumption current static VСС = 5.5 V VIL = 0 V Unit mA Receiver electrical parametersа Vh Hysteresis voltage VСС = 5.0 V Von On voltage Voff VOL VOH RI Von ≤ 0.1 V IOL ≤ 20 mkA Off voltage Vo ≥ VСС - 0.1 V IOH ≤ -20 mkA Low output voltage IOL = 1.6 mA VСС = 4.5 V VIH = 2.4 V High output voltage Input resistance IOH = -1.0 mA VСС = 4.5 V VIL = 0.8 V VСС = 5.0 V V kOhm Transmitter electrical parameters VOL VOH IIL ISC RO SR ST ST Low output voltage VСС = 4.5 V VIH = 2.0 V RL = 3.0 kOhm High output VСС = 4.5 V voltage VIL = 0.8 V RL = 3.0 kOhm Low input current VСС = 5.5 V VIL = 0 V - -5.2 - -5.0 5.2 - 5.0 - - 170 - 200 MkA -50 -60 mA 50 60 Short-circuit output VСС = 5.5 V current VО = 0 V VIL = 0 V VСС = 5.5 V VО = 0 V VIН = VСС Output resistance VСС=V+=V-= 0 V VО = ±2 V Speed of output VСС = 5.0 V, front change СL = 50-1000 pF RL = 3-7 kOhm Information VСС = 4.5 V, transmission RL = 3 kOhm, speed СL = 1000 pF, tW = 7 mksec Information VСС = 4.5 V, transmission RL = 3 kOhm, speed СL = 1000 pF, tW = 7 mksec 5 - V 350 - 300 Ohm 3.0 30 - V/mksec 140 - 120 Кbit/sec 140 - 120 Кbit/sec ILX208DW Dynamic parameters ( tLH = tHL ≤ 10 nsec ) Symbol tPHLR (tPLHR) tPHLТ (tPLHТ) Parameter Test conditions Unit Rate 25°C Signal propagation VСС = 4.5 V CL = 150 pF delay time when switching on (off) VIL = 0 V VIH = 3.0 V Signal propagation VСС = 4.5 V CL = 2500 pF delay time when switching on (off) VIL = 0 V VIH = 3.0 V RL = 3 kOhm min - max 9.7 from -40 to 85°C min max 10.0 5.0* mksec 6.0* _______ * Parameter ratings will be specified during experimental design Timing diagrams when measuring IC dynamic parameters +3 V Rin 1.5 V 1.5 V 0V VOH 0.5Vcc 0.5Vcc Rout VOL t PHLR t PLHR Figure 3 - Timing diagram when measuring propagation delay time when switching on tPHLR, propagation delay time when switching off tPLHR 6 ILX208DW +3 V Tin 1.5 V 1.5 V 0V VOH 1.5 V 1.5 V Tout VOL t PHLT t PLHT Figure 4 – Timing diagram when measuring propagation delay time when switching on tPHLT, propagation delay time when switching off tPLHT Tin t SLH t SHL +3 V +3 V Tout -3 V -3 V Figure 5 – Timing diagram of signals when measuring speed of output voltage SR change 7 ILX208DW tW tW tW tW TIN TOUT tW 1 Control strobe Figure 6 – Timing diagram of signals when measuring speed of information ST transmission Package overall dimensions DW index SOIC A 24 13 H B 1 P 12 G R x 45 C -TK D 0.25 (0.010) M Установочная плоскость J M F TC M 4322.24-A Note: 1. Overall dimensions А and В are specified without taking fin and metal protuberances into consideration. 2. Presence of fin and metal protuberances for A – up to 0.15 mm (0.006) for side; for B – up to 0.25 mm (0.010) for side. Sign Dimensions, mm MIN MAX A 15.20 15.60 B 7.40 7.60 C 2.35 2.65 D 0.33 0.51 F 0.40 1.27 G 1.27 H 9.53 J 0° 8° K 0.10 0.30 M 0.23 0.32 P 10.0 10.65 R 0.25 0.75 8