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| 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 Packaged IC marking ILX208DW SOIC TA = from -40 to 85 C Truth table Inputs RIN, TIN H L Note H - high voltage level; L - low voltage level Outputs ROUT, TOUT L H T2OUT 01 T1OUT 02 R2IN 03 R2OUT 04 T1IN 05 R1OUT 06 R1IN 07 GND 08 VCC 09 C1+ 10 V+ 11 C1- 12 ILX208DW 24 T3OUT 23 R3IN 22 R3OUT 21 T4IN 20 T4OUT 19 T3IN 18 T2 IN 17 R4OUT 16 R4 IN 15 V14 C213 C2+ Figure 1 - Symbols of pins in package 1 ILX208DW 0.1 mkF 6.3 V + 5 0.1 mkF + 9 10 + 6.3 V + 16 V 12 13 14 C1+ C1C2+ C2+5 V 400 V+ V- 11 15 + 16 V T1in 5 +5 V 400 18 +5 V 400 19 +5 V 21 6 400 2 T1out 1 T2in T3in TTL/CMOS inputs T2out 24 T3out RS-232 outputs T4in R1out TTL/CMOS outputs 20 T4out 7 R1in 5 4 3 R2out R3out R2in R3in RS-232 inputs 5 22 23 5 R4out 17 16 R4in 5 8 Figure 2 - Block diagram 2 ILX208DW Pin description Pin number 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Pin name Transmitter data output (levels RS - 232) Transmitter data output (levels RS - 232) Receiver data input (levels RS - 232) Receiver data output (levels RS - 232) Transmitter data input (levels TTL/CMOS) Receiver data output (levels RS - 232) Receiver data input (levels RS - 232) Common output Supply output from voltage source Output of external capacitance of positive voltage multiplication block Output of multiplication block positive voltage Output of external capacitance of positive voltage multiplication block Output of external capacitance of negative voltage multiplication block Output of external capacitance of negative voltage multiplication block Output of multiplication block negative voltage Receiver data input (levels RS - 232) Receiver data output (levels TTL/CMOS) Transmitter data input (levels TTL/CMOS) Transmitter data input (levels TTL/CMOS) Transmitter data output (levels RS - 232) Transmitter data input (levels TTL/CMOS) Receiver data output (levels TTL/CMOS) Receiver data input (levels RS - 232) Transmitter data output (levels RS - 232) C2VR4IN R4OUT T2IN T3IN T4OUT T4IN R3OUT R3IN T3OUT Symbol T2OUT T1OUT R2IN R2OUT T1IN R1OUT R1IN GND VCC C1+ V+ C1C2+ 3 ILX208DW Absolute maximum ratings Symbol VCC VV+ VTIN VRIN ISC Parameter Supply voltage Transmitter low output voltage Transmitter high output voltage Transmitter input voltage Receiver input voltage Dissipated power (for copper frame) Transmitter short-circuit output current Ambient temperature -60 Rate min -0.3 0.3 VCC - 0.3 V -0.3 -30 Unit max 6.0 -14 14 V+ + 0.3 V 30 941 Continuously 150 mW mA V Maximum ratings Symbol Parameter Supply voltage Transmitter low output voltage Transmitter high output voltage Transmitter input voltage Receiver input voltage Transmitter short-circuit output current Ambient temperature Rate min 4.5 -5.0 5.0 0 -30 -40 VCC 30 Max 5.5 Unit V VCC VV+ VTIN VRIN ISC 60 85 mA 4 ILX208DW Static parameters Symbol Parameter Test conditions 25C ICC Consumption current static V = 5.5 V VIL = 0 V min Rate from -40 to 85 C max min max 20 28* Unit mA Receiver electrical parameters Vh Von Voff VOL Hysteresis voltage V = 5.0 V On voltage Von 0.1 V IOL 20 mkA Off voltage Vo V - 0.1 V IOH -20 mkA Low output voltage IOL = 1.6 mA V = 4.5 V VIH = 2.4 V IOH = -1.0 mA V = 4.5 V VIL = 0.8 V V = 5.0 V 0.2 0.8 0.9 2.4 0.3 0.2 0.9 1.0 2.3 0.4 V VOH RI High output voltage Input resistance 3.6 3.0 7.0 3.5 - kOhm Transmitter electrical parameters VOL VOH IIL ISC Low output voltage V = 4.5 V VIH = 2.0 V RL = 3.0 kOhm High output V = 4.5 V voltage VIL = 0.8 V RL = 3.0 kOhm Low input current V = 5.5 V VIL = 0 V Short-circuit output V = 5.5 V current V = 0 V VIL = 0 V V = 5.5 V V = 0 V VI = V Output resistance V=V+=V-= 0 V V = 2 V Speed of output V = 5.0 V, front change L = 50-1000 pF RL = 3-7 kOhm Information V = 4.5 V, transmission RL = 3 kOhm, speed L = 1000 pF, tW = 7 mksec Information V = 4.5 V, transmission RL = 3 kOhm, speed L = 1000 pF, tW = 7 mksec 350 3.0 140 5.2 -5.2 170 -50 50 5.0 -5.0 200 -60 60 MkA mA V RO SR ST 30 - 300 120 - Ohm V/mksec bit/sec ST 140 - 120 bit/sec 5 ILX208DW Dynamic parameters ( tLH = tHL 10 nsec ) Symbol Parameter Test conditions min Rate 25C max 9.7 from -40 to 85C min max 10.0 Unit tPHLR (tPLHR) tPHL (tPLH) _______ * Parameter ratings will be specified during experimental design Signal propagation V = 4.5 V CL = 150 pF delay time when switching on (off) VIL = 0 V VIH = 3.0 V Signal propagation V = 4.5 V CL = 2500 pF delay time when switching on (off) VIL = 0 V VIH = 3.0 V RL = 3 kOhm mksec 5.0* 6.0* Timing diagrams when measuring IC dynamic parameters +3 V Rin 1.5 V 1.5 V 0V VOH 0.5Vcc Rout 0.5Vcc 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 +3 V t SHL +3 V Tout -3 V -3 V Figure 5 - Timing diagram of signals when measuring speed of output voltage SR change 7 ILX208DW tW TIN tW TOUT tW 1 tW tW Control strobe Figure 6 - Timing diagram of signals when measuring speed of information ST transmission Package overall dimensions DW index 24 SOIC A 13 H B P 1 G 12 C R x 45 -TD 0.25 (0.010) M TCM K J F M 4322.24-A Note: 1. Overall dimensions and 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 A B C D F G H J K M P R 0 0.10 0.23 10.0 0.25 15.20 7.40 2.35 0.33 0.40 1.27 9.53 8 0.30 0.32 10.65 0.75 MAX 15.60 7.60 2.65 0.51 1.27 8 |
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