(China (Mainland))
Product Summary
The SN75C185N is a low-power multiple driver and receiver. It 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 SN75C185N replaces one SN75188 and two SN75189 devices. This device conforms to TIA/EIA-232-F. 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 1μs. Both these features eliminate the need for external components.
Parametrics
SN75C185N absolute maximum ratings: (1)Supply voltage, VDD: 13.5 V; (2)Supply voltage, VSS: –13.5 V; (3)Supply voltage, VCC: 7 V; (4)Input voltage range, VI: Driver: VSS to VDD; Receiver: –30 V to 30 V; (5)Output voltage range, VO: Driver: VSS– 6 V to VDD + 6 V; Receiver: –0.3 V to VCC + 0.3 V ; (6)Package thermal impedance, θJA: D 58℃/W; (7)Operating free-air temperature range, TA: 0 to 70℃; (8)Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds: 260℃; (9)Storage temperature range, Tstg: –65 to 150℃.
Features
SN75C185N features: (1)Meets or Exceeds the Requirements of TIA/EIA-232-F and ITU Recommendation V.28; (2)Single Chip With Easy Interface Between UART and Serial-Port Connector; (3)Less Than 9-mW Power Consumption; (4)Wide Driver Supply Voltage: 4.5 V to 13.2 V; (5)Driver Output Slew Rate Limited to 30 V/μs Max; (6)Receiver Input Hysteresis: 1100 mV Typ; (7)Push-Pull Receiver Outputs; (8)On-Chip Receiver 1-μs Noise Filter; (9)Functionally Interchangeable With Texas Instruments SN75185; (10)Operates Up to 120 kbit/s Over a 3-Meter Cable.
Diagrams
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 SN75C185N |
Texas Instruments |
Buffers & Line Drivers Low Power Multiple |
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SN75C185NE4 |
Texas Instruments |
RS-232 Interface IC Low-Power Multiple Driver and Receiver |
Data Sheet |
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