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SN75C185N Datasheet(PDF) 1 Page - Texas Instruments |
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SN75C185N Datasheet(HTML) 1 Page - Texas Instruments |
1 / 10 page SN75C185 LOW-POWER MULTIPLE DRIVERS AND RECEIVERS SLLS065F – AUGUST 1989 – REVISED JANUARY 2000 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D Meets or Exceeds the Requirements of TIA/EIA-232-F and ITU Recommendation V.28 D Single Chip With Easy Interface Between UART and Serial-Port Connector D Less Than 9-mW Power Consumption D Wide Driver Supply Voltage . . . 4.5 V to 13.2 V D Driver Output Slew Rate Limited to 30 V/ µs Max D Receiver Input Hysteresis ...1100 mV Typ D Push-Pull Receiver Outputs D On-Chip Receiver 1-µs Noise Filter D Functionally Interchangeable With Texas Instruments SN75185 D Operates Up to 120 kbit/s Over a 3-Meter Cable (See Application Information for Conditions) description The SN75C185 is a low-power BiMOS device containing three independent drivers and five receivers that are used to interface data terminal equipment (DTE) with data circuit-terminating equipment (DCE). Typically, the SN75C185 replaces one SN75188 and two SN75189 devices. This device conforms to TIA/EIA-232-F. The drivers and receivers of the SN75C185 are similar to those of the SN75C188 and SN75C189A, respectively. The drivers have a controlled output slew rate that is limited to a maximum of 30 V/ µs, and the receivers have filters that reject input noise pulses that are shorter than 1 µs. Both these features eliminate the need for external components. The SN75C185 uses the low-power BiMOS technology. In most applications, the receivers contained in this device interface to single inputs of peripheral devices such as ACEs, UARTS, or microprocessors. By using sampling, such peripheral devices usually are insensitive to the transition times of the input signals. If this is not the case, or for other uses, it is recommended that the SN75C185 receiver outputs be buffered by single Schmitt input gates or single gates of the HCMOS, ALS, or 74F logic families. The SN75C185 is characterized for operation from 0 °C to 70°C. Copyright © 2000, Texas Instruments Incorporated PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 VDD RA1 RA2 RA3 DY1 DY2 RA4 DY3 RA5 VSS VCC RY1 RY2 RY3 DA1 DA2 RY4 DA3 RY5 GND DW OR N PACKAGE (TOP VIEW) |
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