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MC145406N 数据表(PDF) 1 Page - NXP Semiconductors |
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MC145406N 数据表(HTML) 1 Page - NXP Semiconductors |
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1 / 5 page  Philips Semiconductors Linear Products Product specification MC145406 EIA-232-D/V.28 driver/receiver 467 August 31, 1994 853-1430 13721 DESCRIPTION The MC145406 is a silicon-gate CMOS IC that combines 3 drivers and 3 receivers to fulfill the electrical specifications of standards EIA-232-D and CCITT V.28. The drivers feature true TTL input compatibility, slew-rate limited output, 300 Ω power-off source impedance, and output typically switching to within 25% of the supply rails. The receivers can handle up to +25V while presenting 3 to 7k Ω impedance. Hysteresis in the receiver aids reception of noisy signals. By combining both drivers and receivers in a single CMOS chip, the MC145406 provides efficient, low-power solutions for EIA-232-D and V.28 applications. APPLICATIONS • Modem interface • Voice/data telephone interface • Lap-top computers • UART interface FEATURES • Drivers • +5 to +12V supply range • 300Ω power-off source impedance • Output current limiting • TTL compatible PIN CONFIGURATION VDD RX1 VCC DO1 DI1 DO2 DI2 DO3 GND D and N Packages 1 2 3 4 5 6 7 8 9 10 11 12 13 14 16 15 TX1 VSS RX2 TX2 RX3 TX3 DI3 NOTE: D = Driver R = Receiver R D R D R D • Maximum slew rate = 30V/µs • Receivers • +25V input voltage range over the full supply range • 3 to 7kΩ input impedance • Hysteresis on input switchpoint • General • Very low supply currents for long battery life • Operation is independent of power supply sequencing ORDERING INFORMATION DESCRIPTION TEMPERATURE RANGE ORDER CODE DWG # 16-Pin Plastic Dual In-Line (DIP) Package 0 to +70 °C MC145406N 0406C 16-Pin Small Outline Large (SOL) Package 0 to +70 °C MC145406D 0171B ABSOLUTE MAXIMUM RATINGS SYMBOL PARAMETER RATING UNITS VCC Supply voltage -0.5 to +6.0 V VDD Supply voltage -0.5 to +13.5 V VSS Supply voltage +0.5 to -13.5 V VIR Input voltage range RX1-3 inputs DI1-3 inputs (VSS - 15) to (VDD + 15) -0.5 to (VCC + 0.5) V DC current per pin +100 mA PD Power dissipation (package) 1.0 W TA Operating temperature range 0 to +70 °C TSTG Storage temperature range -65 to +150 °C θJA Thermal impedance N package D package 80 105 °C/W NOTE: This device contains protection circuitry to protect the inputs against damage due to high static voltages or electric fields; however, it is advised that normal precautions be taken to avoid application of any voltage higher than maximum rated voltages to this high impedance circuit. For proper operation, it is recommended that the voltages at the DI and DO pins be constrained to the range GND < VDI < VDD and GND < VDO < VCC. Also, the voltage at the RX pin should be constrained to +25V, and TX should be constrained to VSS < VTX1-3 < VDD. Unused inputs must always be tied to an appropriate logic voltage level (e.g., GND or VCC for DI, and VSS or VDD for RX). |
类似零件编号 - MC145406N |
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类似说明 - MC145406N |
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