TECHNICAL DATA Interface Transceiver of the Serial Data of the Standard RS -485/RS-422 ILX3085 Description The ILX3085 is interface transceiver of serial data under RS - 485 standard with low power consumption. The ILX3085 is purposed for application in telecom systems under RS485/RS422 standards with low power dissipation, translators of the level, transceiving devices sensitive to electromagnetic radiation, industrial control systems. ILX3085N Plastic ILX3085D SOIC ORDERING INFORMATION Device ILX3085N ILX3085D ILX3085DT Operating Temperature Range TA = -40 to 85 C Package DIP8 SOP8 SOP8 Packing Figure 1 Tube Tube Tube & Reel Features 1 transmitter and 1 receivers of the serial data of the standard RS-485 Auto Shutdown function provide low power consumption Supply voltage range: 5.0V 5% Operating temperature range: -40 ~ +85 °С ESD protection up to 2 000V for transmitter input and receiver output (TTL/CMOS levels) and up to 15 000V for transmitter output and receiver input (RS-485 levels) Latch current, min – 300mA at normal climatic condition Enhanced ESD Specifications: ±15kV IEC61000-4-2 Air Discharge ±8kV IEC61000-4-2 Contact Discharge Pin Description RO 01 08 Vcc RE 02 07 B DE 03 06 A DI 04 05 GND Figure 2 2012, February, ver. 01 1 ILX3085 Table 1. Pin Description Pin Number Symbol 01 02 03 04 05 06 07 08 RO RE DE DI GND А B VCC Pin Description TTL/CMOS Receiver data output Receiver Ouput Enable. Transmitter Ouput Enable. Transmitter input Common pin Noninverting receiver/transmitter input/output Inverting receiver/transmitter input/output Power supply R RO RE B DE A D DI Vсс - (08) GND - (05) Figure 3. Block Diagram 2012, February, ver. 01 2 ILX3085 Table 2. Transmitter Truth Table Inputs Outputs RE X DE DI H X A H B L H H L H L L L X Z Z H L X ZZ Note : Н – high level, L – low level , Х –don’t care, Z – third state Table 3. Receiver Truth Table Inputs RE L L L H H DE X X X H L Outputs A, B ≥ –0,05 В ≤ –0,2 В ВН X X RO H L H Z ZZ Note : Н – high level, L – low level , ВН – inputs not used, Х –don’t care, Z – third state, ZZ – inputs and outputs are in the third state 2012, February, ver. 01 3 ILX3085 Table 4. Recommended Operating Condition Symbol Limit Parameter VCC VIL Supply voltage Input low voltage DI, DE, RE pins min 4.75 0 VIH VOD VIR VOR VTH T Input high voltage DI, DE, RE pins Transmitter output voltage Receiver input voltage Receiver output voltage Receiver differential threshold voltage Ambient temperature 2.0 -7.0 -7.0 0 50 –40 max 5.25 0.8 VCC 12.0 12.0 VCC 200 85 Unit V V V V V V V o C Table 5. Maximum Ratings Limit Symbol Parameter Unit min max – 7.0 V VCC Supply voltage VIL VOD Input voltage on pins DI, DE, RE Transmitter output voltage -0.3 7.0 V -13 13 V VIR Receiver input voltage -13 13 V VOR Receiver output voltage -0.3 VCC+0.3 V * Stresses beyond those listed under “maximum ratings” may cause permanent damage to the device. These are stress ratings only and functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. 2012, February, ver. 01 4 ILX3085 Table 6. Electrical Parameters (Vсс = 5V 5%) Symbol ICC ISHDN IILL IILH tSHDN Parameter Mode VRE = 0 B or VCC VDI = 0 B or VCC VDE = VCC Idle mode supply current VRE = 0 V VDI = 0 V or VCC VDE = 0 V = 0V Shutdown mode supply DE VRE = VCC current Input low leakage current on control pin Input high leakage current on control pin Shutdown time Limit Min Max – 800 900 TA, C Unit 25 ± 10 –40;85 A – 500 600 25 ± 10 –40; 85 – 9.0 10 25 ± 10 –40; 85 A VDE = VDI = VRE = 0 V – – 25 ± 10 –40; 85 25 ± 10 –40; 85 25 ± 10 A VDE = VDI = VRE = VCC –0.2 –2.0 0.2 2.0 600 96 – – 114 –66 125 –75 –0.5 –1.0 0.5 25 ± 10 –40; 85 25 ± 10; –40; 85 25 ± 10; –40; 85 25 ± 10 V Vcc – 1.5 0.36 0.4 – – 50 A ns Receiver VOLR Output low voltage VOHR Output high voltage RI II Input resistance Input current IOZLR Output low current for OFF-state IOZHR Output high current for OFF-state VID = –200 mV IOL= 4.0 mA VID = –50 mV IOH= – 4.0 mA – 7.0 V VIR 12 V VIR = 12 V VDE = 0 V VIR = –7.0 V VCC = 0 or 5.25 V VIR = 12 V VIR = –7.0 V VOR = 0.4 V VOR = 2.4 V – – – 1.0 V k A –40; 85 25 ± 10 –40; 85 25 ± 10 –40; 85 A A 2012, February, ver. 01 5 ILX3085 Table 6. Electrical Parameters (continued) Symbol Parameter Mode Min Limit Max TA, C Unit Receiver IOSHR IOSLR VhR tPHLR, tPLHR Output high short circuit current Output low short circuit current Hysteresis Receiver input to output switching delay tSKD R Differential receiver skew tPZHR, tPZLR Receiver enable from OFF to output high (low) Receiver enable from shutdown to output high (low) tLR (SHDN), tHR (SHDN) 8.0 7.0 –8.0 –7.0 – – 87 95 –87 –95 50 185 200 25 ± 10 –40; 85 25 ± 10 –40; 85 25 ± 10 25 ± 10 –40; 85 mA VID 2.0 V tLH = tHL 15 ns – 28 30 25 ± 10 –40; 85 ns CL = 100 pF – – 25 ± 10 –40; 85 25 ± 10 –40; 85 ns CL = 100 pF 45 50 3150 3500 5.0 – 25 ± 10; –40; 85 V 2.08 2.00 1.56 1.50 – – 25 ± 10 –40; 85 25 ± 10 –40; 85 V 0.18 25 ± 10 V 0.2 –40; 85 2.9 25 ± 10 3.0 –40; 85 0.18 25 ± 10 0.20 –40; 85 VOR = VCC VOR = 0 V – VID 2.0 V tLH = tHL 15 ns mA mV ns ns Transmitter VOD1 Differential output voltage (no load) VOD2 Differential output voltage (no load) VOD VOС VOС Change in magnitude of differential output voltage for complementary output states Output bias voltage refer to common pin Change in magnitude of bias output voltage for complementary output states – RL = 50 (RS-422) RL = 27 (RS-485) RL = 50; 27 RL = 50; 27 RL = 50; 27 – – – V V 2012, February, ver. 01 6 ILX3085 Table 6. Electrical Parameters (continued) Symbol Parameter Mode Min Limit Max TA, C Unit 25 ± 10 –40; 85 25 ± 10 –40; 85 25 ± 10 –40; 85 2510 25 ± 10 mA Transmitter – 7.0 V VOD VCC Transmitter input to output switching delay – CL1 = CL2 = 100 pF RDIFF = 54 – 330 240 250 240 250 26 25 200 800 250 1000 –40; 85 – Transmitter output skew 90 100 25 ± 10 tSKEW D CL1 = CL2 = 100 pF RDIFF = 54 tPZH D, tPZL D Transmitter enable time from OFF to output high (low) CL = 100 pF – 2200 2500 25 ± 10 –40; 85 ns CL = 15 pF – 90 ns 100 25 ± 10 –40; 85 220 620 25 ± 10 ns 200 – 750 4000 4500 –40; 85 25 ± 10 –40; 85 ns 600 – 25 ± 10 Kb/s IOSD Short circuit current – 0 V VOD 12 V 0 V VOD VCC VhD tPHL D, tPLH D Hysteresis tPHZ D, tPLZ D Transmitter disable time from output high (low) to OFF tRD, tFD Rise or fall time of differential output signal RDIFF = 54 CL1 = CL2 = 100 pF CL = 15 pF Transmitter enable time tLD (SHDN), from shutdown to output tHD (SHDN) high (low) – ST 500 Data rate V ns ns –40; 85 –40; 85 2012, February, ver. 01 7 ILX3085 3,0 V 1,5 V DI 1,5 V 0V 0,5VO VO A t PHL PLH 0,5VO t B V OD2 90% 90% V OD2 VO = VA - V B 0 10% 10% t RD -VO t FD Figure 4. Transmitter output & input signals time diagram 2012, February, ver. 01 8 ILX3085 During the input signal A is changing DC voltage 1.5 V is supplied to input B During the input signal B is changing DC voltage 1.5 V is supplied to input A Figure 5. Receiver output & input signals time diagram 2012, February, ver. 01 9 ILX3085 DE 5.0 V 1. 5 V 1. 5 V 0V tPZL D, tLD(SHDN) tPLZ D V OL+ 0.5 V A,B 2.3 V V OL tDL(SHDN) VOH A,B 2.3 V V OH - 0.5 V tPZH D, tHD(SHDN) 0V tPHZ D Figure 6. Transmitter output & input signals time diagram 2012, February, ver. 01 10 ILX3085 5,0 V RE 1.5 V 1,5 V 0V tPZL R, tLR(SHDN) tPLZ R V CC V OL + 0,5 V RO 1,5 V VOL VOH RO 1,5 V V OH - 0,5 V tPZH R, tHR(SHDN) tPHZ R 0V Figure 7. Receiver output & input signals time diagram 2012, February, ver. 01 11 ILX3085 Package Dimensions N SUFFIX PLASTIC DIP (MS – 001BA) A Dimension, mm 5 8 B 1 4 F Symbol MIN MAX A 8.51 10.16 B 6.1 7.11 C L C 5.33 D 0.36 0.56 F 1.14 1.78 -T- SEATING PLANE N G M K H D 0.25 (0.010) M J T NOTES: 1. Dimensions “A”, “B” do not include mold flash or protrusions. Maximum mold flash or protrusions 0.25 mm (0.010) per side. G 2.54 H 7.62 J 0° 10° K 2.92 3.81 L 7.62 8.26 M 0.2 0.36 N 0.38 D SUFFIX SOIC (MS - 012AA) Dimension, mm A 8 5 B H 1 G P 4 D K MIN MAX A 4.8 5 B 3.8 4 C 1.35 1.75 D 0.33 0.51 F 0.4 1.27 R x 45 C -T- Symbol SEATING PLANE J F 0.25 (0.010) M T C M NOTES: 1. Dimensions A and B do not include mold flash or protrusion. 2. Maximum mold flash or protrusion 0.15 mm (0.006) per side for A; for B ‑ 0.25 mm (0.010) per side. M G 1.27 H 5.72 J 0° 8° K 0.1 0.25 M 0.19 0.25 P 5.8 6.2 R 0.25 0.5 2012, February, ver. 01 12