ILX232 Interface transceiver of RS-232 standard with one supply voltage IC ILX232 is purposed for application in high-performance information processing systems and control devices of wide application. Input voltage levels are compatible with standard СMOS levels. • Output voltage levels are compatible with input levels of C-MOS, N-MOS and TTL integrated circuits. • Supply voltage range from 2.0 to 6.0 V. • Low input current: 1.0 mkA; 0.1 mkA at Т = 25 °С. • Output current 24 mA. • Latching current not less than 450 mA at Т = 25°С • Tolerable value of static potential not less than 2000V IC marking in package ILX232N Plastic DIP ILX232D SOIC ТА= from -40 to 85 оС For all packages Truth table Inputs Outputs RIN, TIN ROVT, TOVT H L L H Pin symbols in package Note H – voltage high level; L – low voltage level C1+ 01 16 VCC V+ 02 15 GND C1- 03 14 T1OUT C2+ 04 13 R1IN 12 R1OUT V- 06 11 T1IN T2OUT 07 10 T2IN R2IN 08 09 R2OUT C2- 05 1 ILX232 ILX232 Table of pin description Pin No. 01 Symbol C1+ Pin name Output of external capacitance of positive voltage multiplier unit 02 V+ Output of positive voltage of multiplier unit 03 C1- Output of external capacitance of positive voltage multiplier unit 04 C2+ Output of external capacitance of negative voltage multiplier unit 05 C2- Output of external capacitance of negative voltage multiplier unit 06 V- Output of negative voltage of multiplier unit 07 T2OUT Output of transmitter data (levels RS – 232) 08 R2IN 09 R2OUT Output of receiver data (levels TTL/KMOS) 10 T2IN Input of transmitter data (levels TTL/KMOS) 11 T1IN Input of transmitter data (levels TTL/KMOS) 12 R1OUT Output of receiver data (levels TTL/KMOS) 13 R1IN 14 T1OUT Output of transmitter data (levels RS – 232) 15 GND Common output 16 VCC Input of receiver data (levels RS – 232) Input of receiver data (levels RS – 232) Supply output of voltage source Maximum conditions Symbol Parameter Rate Unit min max -0.3 6.0 VCC Supply voltage V+ Transmitter high output voltage VCC -0.3 14 V- Transmitter low output voltage -0.3 -14 VTIN Transmitter input voltage -0.3 V+ +0.3 VRIN Receiver input voltage -30 30 PD Dissipated power - mW DIP – package 842 SO - package 762 Continuously 150 ISC Output current of transmitter short circuit Та Ambient temperature -60 2 V mA О С ILX232 Absolute maximum conditions Symbol Parameter Rate Unit min max VCC Supply voltage 4.5 5.5 V+ Transmitter output high voltage 5.0 - V- Transmitter output low voltage -5.0 - 0 VСС VTIN Transmitter input voltage VRIN Receiver input voltage -30 30 Transmitter short circuit output current -40 ±60 ISC Та Ambient temperature 5V 0.1 µ F 1 0.1 µ F 0.1 µ F + + 3 4 5 + + 0.1 µ F 16 C1+ V+ 2 C1- V- C2+ 6 C2- + 0.1 µ F 14 11 TTL/CMOS Intput 10 RS-232 7 Output 13 12 TTL/CMOS Output 85 5к 9 8 5к 15 Static parameters 3 RS-232 Input V mA О С ILX232 Symbol ICC Parameter Test conditions Consumption current static Unit Rate 25°C от -40 °C до 85 °C min max min max ∗ 10.0 14.0 VCC =5.5 V VIL = 0 V mA Receiver electrical parameters Vh Hysteresis voltage VCC =5.0 V VO ≤ 0.1 V IOL ≤ 20 mkA 0.2 0.9 0.2 1.0 - 2.4 - 2.3 0.8 - 0.9 - - 0.3 - 0.4 VOn On (operation) voltage Voff Off (dropout) voltage VO ≥ VCC -0.1 V IOH ≤ -20 mkA VOL Output low voltage VOH Output high voltage IOH = -1.0 мА VСС = 4.5 V VIL = 0.8 V 3.6 - 3.5 - Input resistance 3.0 7.0 3.0 7.0 RI IOL = 3.2 мА VСС = 4.5 V VIH = 2.4 V VСС = 5.0 V V kOhm Transmitter electrical parameters VOL Output low voltage VСС = 4.5 V VIH = 2.0 V RL = 3.0 kOhm VOH Output high voltage VСС = 4.5 V VIL = 0.8 V RL = 3.0 kOhm - -5.2 - -5.0 5.2 - 5.0 - - -1.0 - -10.0 V IIL Input low current VСС =5.5 V VIL = 0 V IIH Input high current VСС =5.5 V VIH = VСС SR Speed of output front change VСС =5.0 V СL =50 - 1000 pF RL = 3.0 - 7.0 kOhm 3.0 30 2.7 27 V/mks RО Output resistance VСС = V+ = V- = 0 V VO = ± 2 V 350 - 300 - Ohm ISC Short circuit output current VСС =5.5 V VO = 0 V VI = VСС VI = 0 V ST 1.0 mkA 10.0 mA -50 50 Speed of information VСС =4.5 V transmission СL = 1000 pF RL = 3.0 kOhm tW = 7mks (for extreme -tW = 8mks) Dynamic parameters 4 140 - -60 60 120 - kbit/с ILX232 Symbol Parameter Test conditions 25 °C tPHLR min max - 9.7 Signal propagation delay VСС = 4.5 V time when switching on (off) СL = 150 pF VIL = 0 V VIH = 3.0 V tLH = tHL ≤ 10 ns Signal propagation delay VСС = 4.5 V time when switching on (off) СL = 2500 pF VIL = 0 V VIH = 3.0 V RL = 3 kOhm tLH = tHL ≤ 10 ns (tPLHR) tPHLT (tPLHT) Unit Rate 5.0 ∗ from -40 °C to 85 °C min max - 10 6.0 mks ∗ Capacitance Symbol Parameter VCC, Unit Rate V CIN Input capacitance CPD Dynamic capacitance 5.0 9.0 pF 90 Timing diagram 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 5 ILX232 +3 V Tin 1.5 V 1.5 V 0V VOH 1.5 V 1.5 V Tout VOL t PHLT tPLHT Figure 4 Tin t SLH t SHL +3 V +3 V Tout -3 V Figure 5 tW tW tW tW TIN TOUT Control strobe Figure 6 6 -3 V ILX232 Package overall dimensions N SUFFIX PLASTIK DIP (MS-001BB) D 16 9 E1 8 1 b2 A E C A1 e c b L 0,25 (0,010) M C Note: Dimensions D, E1 do not include fin size which shall not exceed 0,25 (0,010) per side. D E1 A b b2 e α L E c A1 0° 2,93 7,62 0,20 0,38 15° 3,81 8,26 0,36 Millimeters min 9,02 6,07 0,36 1,14 max 10,16 7,11 5,33 0,56 1,78 2,54 Inches min 0,355 0,240 max 0,400 0,280 0,210 0,022 0,070 0,014 0,045 0,1 7 0° 0,115 0,300 15° 0,150 0,325 0,014 0,008 0,015