75323 UTC | Alldatasheet
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UTC 75323 LINEAR INTEGRATED CIRCUIT UTC UNISONIC TECHNOLOGIES CO., LTD. 1 QW-R113-007,A MULTIPLE RS-232 DRIVERS AND RECEIVERS
DESCRIPTION
The UTC 75323 combines five drivers and three receivers. The flow-through design of the UTC 75323 decreases the part count, reduces the board space required, and allows easy interconnection of the UART and serial-port connector. The all-bipolar circuits and processing of the UTC 75323 provide a rugged, low-cost solution for this function. The UTC 75323 complies with the requirements of the ANSI TIA/EIA-232-Fand ITU (formerly CCITT) V.28 standards. These standards are for data interchange between a host computer and a peripheral at signal rates up to 20 Kbit/s. The switching speeds of the UTC 75323 are fast enough to support rates up to 120 kbit/s with lower capacitive loads (shorter cables). Interoperability at the higher signaling rates cannot be assured unless the designer has design control of the cable and the interface circuits at both ends. For interoperability at signaling rates up to 120 kbit/s, use of ANSI Standard TIA/EIA-423-B and TIA/EIA-422-B and ITU Recommendations V.10 and V.11 are recommended. The UTC 75323 is characterized for operation over a temperature range of 0℃ to 70 ℃.
FEATURES
*Single Chip With Easy Interface Between UART and Serial-Port Connector of an External Modem or Other Computer Peripheral *Five Drivers and Three Receivers Meet or Exceed the Requirements of ANSI Standard TIA/EIA-232-F and ITU Recommendation V.28 Standards. *Supports Data Rates up to 120 kbit/s. *Complement to the UTC 75232. SOP-20 DIP-20
UTC 75323 LINEAR INTEGRATED CIRCUIT UTC UNISONIC TECHNOLOGIES CO., LTD. 2 QW-R113-007,A PIN CONFIGURATION VDD 1DY 2DY 3DY 1RA 2RA 4DY 3RA 5DY VssGND 5DA 3RY 4DA 2RY 1RY 3DA 2DA 1DA Vcc 10 11 LOGIC SYMBOL * 9 12 191DA 2DA 3DA 1RY 2RY 4DA 3RY 5DA 1DY 2DY 3DY 1RA 2RA 4DY 3RA 5DY * This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12. LOGIC DIAGRAM ( POSITIVE LOGIC ) 9 12 191DA 2DA 3DA 1RY 2RY 4DA 3RY 5DA 1DY 2DY 3DY 1RA 2RA 4DY 3RA 5DY
UTC 75323 LINEAR INTEGRATED CIRCUIT UTC UNISONIC TECHNOLOGIES CO., LTD. 3 QW-R113-007,A SCHEMATIC (EACH DRIVER) To Other Drivers VDD Input DAx GND Vss To Other Drivers To Other Drivers 10.4kΩ 4.2kΩ 11.6kΩ 9.4kΩ 75.8Ω 320Ω DYx Output 3.3kΩ 68.5Ω Resistor values shown are nominal. SCHEMATIC (EACH RECEIVER) 1.66kΩ 5kΩ9kΩ 2kΩ 3.8kΩ 10kΩ GND To Other Receivers RYx Output Vcc To Other Receivers Input RAx Resistor values shown are nominal.
UTC 75323 LINEAR INTEGRATED CIRCUIT UTC UNISONIC TECHNOLOGIES CO., LTD. 4 QW-R113-007,A ABSOLUTE MAXIMUM RATINGS (Ta=25℃) PARAMETER SYMBOL RATINGS UNIT Supply voltage (see Note 1) Vcc 10 V Supply voltage (see Note 1) V DD 15 V Supply voltage (see Note 1) Vss -15 V Input voltage range: Driver -15 ~ 7 Receiver VI -30 ~ 30 V Output voltage range, (Driver) Vo -15 ~ 15 V Low-level output current (Receiver) I OL 20 mA Package thermal impedance S O P - 2 0 D I P - 2 0 θ JA °C/W Lead temperature 1.6mm(1/6 inch) from case for 10 seconds Tlead 260 °C Storage temperature range Tstg -65 ~ 150 °C note: 1. All voltages are with respect to the network ground terminal. RECOMMENDED OPERATING CONDITIONS PARAMETER SYMBOL MIN TYP MAX UNIT VDD 7.5 9 13.5 Vss -7.5 -9 -13.5 Supply voltage Vcc 4.5 5 5.5 V High-level input voltage Driver V IH 1.9 V Low-level input voltage Driver V IL 0.8 V Driver -6 High-level output current Receiver IOH -0.5 mA Driver 6 High-level output current, Receiver IOL 16 mA Operating free-air temperature T a 0 70 ℃ SUPPLY CURRENTS OVER OPERATING FREE-AIR TEMPERATURE RANGE PARAMETER SYMBOL TEST CONDITIONS MIN MAX UNIT VDD=9V, Vss=-9V 25 All inputs at 1.9V, No load VDD=12V, Vss=-12V 32 mA VDD=9V, Vss=-9V 7.5 Supply current from VDD IDD All inputs at 0.8V, No load VDD=12V, Vss=-12V 9.5 mA VDD=9V, Vss=-9V -25 All inputs at 1.9V, No load VDD=12V, Vss=-12V -32 mA VDD=9V, Vss=-9V -5.3 Supply current from Vss Iss All inputs at 0.8V, No load VDD=12V, Vss=-12V -5.3 mA Suppy current from Vcc Icc Vcc=5V,All inputs at 5V, No load 20 mA
UTC 75323 LINEAR INTEGRATED CIRCUIT UTC UNISONIC TECHNOLOGIES CO., LTD. 5 QW-R113-007,A ELECTRICAL CHARACTERISTICS OVER OPERATING FREE-AIR TEMPERATURE RANGE,VDD=9V,Vss=-9V,Vcc=5V (UNLESS OTHERWISE NOTED) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT High-level output voltage V OH V IL=0.8V,RL=3kΩ (See Figure 1) 6 7.5 V Low-level output voltage(see Note 2) V OL V IH=1.9V,RL=3kΩ (See Figure 1) -7.5 -6 V High-level Input current IIH VI=5V (See Figure 2) 10 μA Low-level input current I IL V I=0 (See Figure 2) -1.6 mA High-level short-circuit output current (see Note 3) IOS(H) VIL=0.8V,Vo=0 (See Figure 1) -4.5 -9 -19.5 mA Low-level short-circuit output current I OS(L) V IH=2V,Vo=0 (See Figure 1) 4.5 9 19 mA Output resistance (see Note 4) ro Vcc=VDD=Vss=0,Vo=-2V to 2V 300 Ω Notes: 2.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. 3.Output short-circuit conditions must maintain the total power dissipation below absolute maximum ratings. 4.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 SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Propagation delay time, low- to high-level output tPLH 315 500 Propagation delay time, high-to low-level output tPHL RL=3kΩ to 7k Ω, CL=15pF (See Figure 3) 75 175 ns RL=3kΩ to 7k Ω, CL=15pF (See Figure 3) 60 100 ns TTLH Transition time, low-to high-level output tTLH RL=3kΩ to 7k Ω, CL=2500pF (See Figure 3 and Note 5) 1.7 2.5 μs RL=3kΩ to 7k Ω, CL=15pF (See Figure 3) 40 75 ns Transition time, high-to low-level output t THL RL=3kΩ to 7k Ω, CL=2500pF (See Figure 3 and Note 6) 1.5 2.5 μs Note: 5. 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. 6. 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 ELECTRICAL CHARACTERISTICS OVER RECOMMENDED OPERATING CONDITIONS (UNLESS OTHERWISE NOTED) PARAMETER SYMBOL TEST CONDITIONS MIN TYP* MAX UNIT Ta=25℃ 1.75 1.9 2.3 Positive-going input threshold voltage VIT+ See Figure5 Ta=0℃ to 70 ℃ 1.55 2.3 Negative-going input threshold voltage V IT- 0.75 0.97 1.25 Input hysteresis voltage(VIT+ - VIT-) Vhys See Figure5 0.5 V VIH=0.75V 2.6 4 5 High-level output voltage VOH I OH=-0.5mA Inputs open 2.6 V Low-level output voltage V OL I OL=10mA,VI=3V 0.2 0.45 V VI=25V. 3.6 8.3 dB High-level input current I IH VI=3V 0.43 mA VI=-25V -3.6 -8.3 mA Low-level input current I IL VI=-3V -0.43 mA Short-circuit output current Ios See Figure 4 -3.4 -12 mA * All typical values are at Ta=25℃,Vcc=5V,VDD=9V,Vss=-9V
NOTES: A. CL includes probe and jig capacitance. Figure 6. Receive Propagation and Transition Times
UTC 75323 LINEAR INTEGRATED CIRCUIT UTC UNISONIC TECHNOLOGIES CO., LTD. 8 QW-R113-007,A 02 0 1.8 SHORT-CIRCUIT OUTPUT CURRENT VS FREE-AIR TEMPERATURE Input Threshold Voltage, VIT (V) 10 30 40 0.4 2.4 1.6 1.0 Free-Air Temperature, Ta (°C) 2.2 1.4 1.2 0.8 0.6 VIT+ VIT- 1.4 INPUT THRESHOLD VOLTAGE VS SUPPLY VOLTAGE Input Threshold Voltage, VIT (V) 35 6 1.6 1.2 0.6 Supply Voltage, Vcc (V) 1.8 0.8 0.4 VIT+ VIT- 0.2 02 0 MAXIMUM SUPPLY VOLTAGE VS FREE-AIR TEMPERATURE Maximum Supply Voltage, VDD ( V) 10 30 40 Free-Air Temperature, T a(°C) RL≧3kΩ(from each output to GND) 100 NOISE REJECTION Amplitude ( V) 10 1000 Pulse Duration, t w (ns) 10000 VCC=5V TA=25°C See Note A5 40 400 4000 Cc=300pF Cc=500pF Cc=12pF Cc=100pF NOTE A: This figure shows the maximum amplitude of a positive-going pulse that, starting from 0V, does not cause a change of the output level.
UTC 75323 LINEAR INTEGRATED CIRCUIT UTC UNISONIC TECHNOLOGIES CO., LTD. 10 QW-R113-007,A 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.