SN75C185NE4

低功耗多驱动器和接收 LOW-POWER MULTIPLE DRIVERS AND RECEIVERS

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 A/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.

Meets or Exceeds the Requirements of TIA/EIA-232-F and ITU Recommendation V.28

Single Chip With Easy Interface Between UART and Serial-Port Connector

Less Than 9-mW Power Consumption

Wide Driver Supply Voltage. . . 4.5 V to 13.2 V

Driver Output Slew Rate Limited to 30 V/µs Max

Receiver Input Hysteresis...1100 mV Typ

Push-Pull Receiver Outputs

On-Chip Receiver 1-µs Noise Filter

Functionally Interchangeable With Texas Instruments SN75185

Operates Up to 120 kbit/s Over a 3-Meter Cable See Application Informationfor Conditions