UNISONIC TECHNOLOGIES CO., LTD 75323 LINEAR INTEGRATED CIRCUIT MULTIPLE RS-232 DRIVERS AND RECEIVERS DESCRIPTION The UTC 75323 provides a rugged, low-cost effectiveness performance due to the circuits consisting of bipolar ones, incorporating five drivers and three receivers. It is characterized with less required external components, board spaces and an easy interface between UART and serial-port connector for a single chip. Working at temperatures from 0℃ to 70℃ is one of its features. FEATURES * Single chip with easy interface between UART and serial-port connector * Data rates : 20 kb/s. * Complement to the UTC 75232. ORDERING INFORMATION Ordering Number Lead Free Halogen Free 75323L-S20-R 75323G-S20-R 75323L-S20-T 75323G-S20-T 75323L-D20-T 75323G-D20-T www.unisonic.com.tw Copyright © 2012 Unisonic Technologies Co., Ltd Package Packing SOP-20 SOP-20 DIP-20 Tape Reel Tube Tube 1 of 12 QW-R113-007,B 75323 LINEAR INTEGRATED CIRCUIT PIN CONFIGURATION VCC 1 20 VDD 1DA 2 19 1DY 2DA 3 18 2DY 2DA 4 17 3DY 1RY 5 16 1RA 2RY 6 15 2RA 4DA 7 14 4DY 3RY 8 13 3RA 5DA 9 12 5DY GND 10 11 VSS PIN DESCRIPTION PIN NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 PIN NAME VCC 1DA 2DA 3DA 1RY 2RY 4DA 3RY 5DA GND VSS 5DY 3RA 4DY 2RA 1RA 3DY 2DY 1DY VDD DESCRIPTION Supply Voltage of receiver Input of driver 1 Input of driver 2 Input of driver 3 Output of receiver 1 Output of receiver 2 Input of driver 4 Output of receiver 3 Input of driver 5 Ground Negative Supply Voltage of driver Output of driver 5 Input of receiver 3 Output of driver 4 Input of receiver 2 Input of receiver 1 Output of driver 3 Output of driver 2 Output of driver 1 Positive Supply Voltage of driver UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 2 of 12 QW-R113-007,B 75323 LINEAR INTEGRATED CIRCUIT LOGIC SYMBOL Note: This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12. LOGIC DIAGRAM ( POSITIVE LOGIC ) BLOCK DIAGRAM The circuit for each driver VDD 11.6kΩ 9.4kΩ Input DA 75.8Ω 320Ω Output DY 254.5Ω 4.2kΩ GND 0 10.4kΩ 3.3kΩ 68.5Ω VSS Resistor values shown are nominal. UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 3 of 12 QW-R113-007,B 75323 LINEAR INTEGRATED CIRCUIT BLOCK DIAGRAM(Cont.) The circuit for each receiver VCC 5kΩ 9kΩ 1.66kΩ Output RY Input RA 3.8kΩ 2kΩ 10kΩ GND 0 Resistor values shown are nominal UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 4 of 12 QW-R113-007,B 75323 LINEAR INTEGRATED CIRCUIT ABSOLUTE MAXIMUM RATING (TA=25℃, unless otherwise specified) PARAMETER Supply Voltage (Note 2) Supply Voltage (Note 2) Supply Voltage (Note 2) RATINGS UNIT 10 V 15 V -15 V Driver -15 ~ 7 V Input Voltage VI Receiver -30 ~ 30 Output Voltage (Driver) Vo -15 ~ 15 V Low-level Output Current (Receiver) IOL 20 mA Storage temperature TSTG -65 ~ 150 °C Note: 1. Absolute maximum ratings are those values beyond which the device could be permanently damaged. Absolute maximum ratings are stress ratings only and functional device operation is not implied. 2. All voltages are with respect to the network ground terminal. SYMBOL VCC VDD VSS THERMAL DATA PARAMETER Junction to Ambient SYMBOL SOP-20 DIP-20 θJA UNIT °С/W RECOMMENDED OPERATING CONDITIONS PARAMETER Supply Voltage High-Level Input Voltage Low-Level Input Voltage Driver Driver Driver High-Level Output Current Receiver Driver High-Level Output Current Receiver Operating Free-Air Temperature RATINGS 97 67 SYMBOL VDD VSS VCC VIH VIL MIN 7.5 -7.5 4.5 1.9 TYP 9 -9 5 IOH IOL TA 0 MAX 13.5 -13.5 5.5 UNIT V V V 0.8 -6 -0.5 6 16 70 mA mA ℃ SUPPLY CURRENTS OVER OPERATING FREE-AIR TEMPERATURE RANGE PARAMETER Supply Current From VDD Supply Current From VSS Supply Current From VCC SYMBOL IDD ISS ICC TEST CONDITIONS VDD=9V, VSS=-9V All inputs at 1.9V, No load VDD=12V, VSS=-12V VDD=9V, VSS=-9V All inputs at 0.8V, No load VDD=12V, VSS=-12V VDD=9V, VSS=-9V All inputs at 1.9V, No load VDD=12V, VSS=-12V VDD=9V, VSS=-9V All inputs at 0.8V, No load VDD=12V, VSS=-12V VCC=5V, All inputs at 5V, No load UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw MIN MAX 25 32 7.5 9.5 -25 -32 -5.3 -5.3 20 UNIT mA mA mA mA mA 5 of 12 QW-R113-007,B 75323 LINEAR INTEGRATED CIRCUIT ELECTRICAL CHARACTERISTICS OVER OPERATING FREE-AIR TEMPERATURE RANGE (VDD=9V, VSS=-9V, VCC=5V , unless otherwise specified) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT High-Level Output Voltage VOH VIL=0.8V, RL=3kΩ (Fig. 1) 6 7.5 V Low-Level Output Voltage(see Note 1) VOL VIH=1.9V, RL=3kΩ (Fig. 1) -7.5 -6 V High-Level Input Current IIH VI=5V (Fig. 2) 10 μA Low-Level Input Current IIL VI=0 (Fig. 2) -1.6 mA High-Level Short-Circuit Output Current IOS(H) VIL=0.8V,Vo=0 (Fig. 1, Note 2) -4.5 -9 -19.5 mA Low-Level Short-Circuit Output Current IOS(L) VIH=2V, Vo=0 (Fig. 1) 4.5 9 19 mA Output Resistance (Note 3) rO VCC=VDD=VSS=0, Vo=-2V ~ 2V 300 Ω Note: 1. The algebraic convention, where the more positive(less negative) limit is designated as maximum, is used in this data sheet for logic levels only, e. g.,if-10V is maximum, the typical value is a more negative voltage. 2. Output short-circuit conditions must maintain the total power dissipation below absolute maximum ratings. 3. Test conditions are those specified by TIA/EIA-232-F and as listed above. SWITCHING CHARACTERISTICS (TA=25℃, VDD=12V, VSS=-12V, VCC=5V±10%) PARAMETER Propagation Delay Time, Low- to High-Level Output Propagation Delay Time, High-to Low-Level Output SYMBOL tPLH tPHL TEST CONDITIONS RL=3kΩ ~ 7kΩ, CL=15pF (Fig. 3) MIN TYP MAX 315 500 75 175 UNIT ns RL=3kΩ~7kΩ, CL=15pF(Fig. 3) 60 100 ns tTLH RL=3kΩ ~ 7kΩ, CL=2500pF 1.7 2.5 μs (Fig. 3, Note 1) RL=3kΩ~7kΩ, CL=15pF(Fig. 3) 40 75 ns Transition Time, High-to Low-Level Output tTHL RL=3kΩ ~ 7kΩ, CL=2500pF 1.5 2.5 μs (Fig. 3, Note 2) Note: 1. Measured between-3-V and 3-V points of the output waveform (TIA/EIA-232-F conditions), all unused inputs are tied either high or low. 2. Measured between 3-V and -3-V points of the output waveform (TIA/EIA-232-F conditions), all unused inputs are tied either high or low tTLH Transition Time, Low-to High-Level Output UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 6 of 12 QW-R113-007,B 75323 LINEAR INTEGRATED CIRCUIT ELECTRICAL CHARACTERISTICS OVER RECOMMENDED OPERATING CONDITIONS (unless otherwise specified) PARAMETER SYMBOL Positive-Going Input Threshold Voltage VIT+ Negative-Going Input Threshold Voltage Input Hysteresis Voltage(VIT+ - VIT-) VITVHYS TEST CONDITIONS TA=25℃ Fig.5 TA=0℃ ~ 70℃ Fig. 5 VIH=0.75V Inputs open Low-Level Output Voltage VOL IOL=10mA, VI=3V VI=25V High-Level Input Current IIH VI=3V VI=-25V Low-Level Input Current IIL VI=-3V Short-Circuit Output Current IOS Fig. 4 Note: All typical values are at TA=25℃, VCC=5V, VDD=9V, VSS=-9V High-Level Output Voltage VOH IOH=-0.5mA MIN 1.75 1.55 0.75 0.5 2.6 2.6 TYP 1.9 0.97 MAX 2.3 2.3 1.25 4 5 0.2 0.45 8.3 3.6 0.43 -3.6 -0.43 -8.3 -3.4 -12 UNIT V V V mA mA mA mA mA SWITCHING CHARACTERISTICS (TA=25℃, VCC=5V, VDD=12V, VSS= -12V) PARAMETER Propagation Delay Time, Low-to High-Level Output Propagation Delay Time, High- to Low-Level Output Transition Time, Low-to High-Level Output Transition time, High- to Low-Level Output UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw SYMBOL TEST CONDITIONS MIN tPLH tPHL CL=50pF, RL=5kΩ Fig. 6 tTLH tTHL TYP 107 42 175 16 MAX UNIT 500 ns 150 ns 525 ns 60 ns 7 of 12 QW-R113-007,B 75323 LINEAR INTEGRATED CIRCUIT PARAMETER MEASUREMENT INFORMATION IOS(L) VDD Vcc VDD or GND -IOS(H) VSS or GND VI VO RL=3kΩ VSS Fig. 1 Driver Test Circuit for VOH, VOL, IOS(H), IOS(L) Fig. 2 Driver Test Circuit for IIH and IIL Fig.3 Driver Test Circuit and Voltage Waveforms Notes: A. CL includes probe and jig capacitance. B. The pulse generator has the following characteristics(tW=25μs,PRR=20kHz,ZO=50Ω,tR=tF<50ns) VDD VCC -IOS VSS Fig.4 Receiver Test Circuit for Ios UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 8 of 12 QW-R113-007,B 75323 LINEAR INTEGRATED CIRCUIT PARAMETER MEASUREMENT INFORMATION(Cont.) VDD VCC -IOH VIT, VIN VOH VOL IOL VSS Fig. 5 Receiver Test Circuit for VIT ,VOH, and VOL Fig. 6 Receive Propagation and Transition Times Notes: A. CL includes probe and jig capacitance. B. The pulse generator has the following characteristics(tW=25μs,PRR=20kHz,ZO=50Ω,tR=tF<50ns) UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 9 of 12 QW-R113-007,B 75323 LINEAR INTEGRATED CIRCUIT APPLICATION INFORMATION Diodes placed in series with the VDD and VSS leads protect the UTC 75323 in the fault condition in which the device output are shorted to VDD or VSS, and the Power supplies are at low and provide low-impedance paths to ground (see Figure7) VDD VDD Output UTC ±15V UTC 75323 75323 VSS VSS Fig. 7 Power-Supply Protection to Meet Power-Off Fault Condition of TIA/EIA-232-F -12V TL16C450 ACE RI DTR TIA/EIA-232-F DB9S CONNECTOR 10 GND 9 5DA 8 3RY 7 4DA 6 2RY 5 1RY 4 3DA 3 2DA 2 1DA 1 Vcc 43 37 40 CTS 13 SO 36 RTS 11 SI 41 DSR 42 DCD VSS UTC 75323 5DY 3RA 4DY 2RA 1RA 3DY 2DY 11 12 13 14 15 16 17 18 19 1DY 20 VDD 5 RI DTR CTS TX RTS RX DSR 9 C5* C4* 6 C3* DCD C2* 12V C1* 1 5V Fig. 8 Typical Connection *See Figure Slew Rate vs. Load Capacitance to select the correct values for the loading capacitors (C1, C2, C3, C4 and C5), which may be required to meet the RS-232 maximum slew-rate requirement of 30V/us. The value of the loading capacitors resrequired depends upon the line length and desired slew rate, but is typically 330pF. Note C: To use the receivers only, VDD and Vss both must be powered or tied to ground. UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 10 of 12 QW-R113-007,B 75323 LINEAR INTEGRATED CIRCUIT TYPICAL CHARACTERISTICS Output Voltage , Vo (V) Shourt-Circuit Output Current, IOS (mA) DRIVER SECTION Slew Rate vs. Load Capacitance Slew Rate, SR (V/μs) 1000 100 10 1 VDD=9V VSS=-9V RL=3kΩ TA=25°C 1 10 100 1000 10000 Load Capacitance, CL (pF) UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 11 of 12 QW-R113-007,B 75323 LINEAR INTEGRATED CIRCUIT TYPICAL CHARACTERISTICS(Cont.) Input Threshold Voltage, VIT (V) Input Threshold Voltage, VIT (V) RECEIVER SECTION UTC assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all UTC products described or contained herein. UTC products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice. UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 12 of 12 QW-R113-007,B