TRS213CDBR UART Interface IC RS-232 Interface IC 5V Multichannel RS 232 Line Drvr/Rcvr
uart multiplexer ic
,uart level shifter ic
TRS213CDBR UART Interface IC RS-232 Interface IC 5V Multichannel RS 232 Line Drvr/Rcvr
FEATURES
- ESD Protection for RS-232 Bus Pins – ±15-kV Human-Body Model (HBM)
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Meets or Exceeds the Requirements of TIA/EIA-232-F and ITU v.28 Standards
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Operates at 5-V VCC Supply
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Four Drivers and Five Receivers
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Operates up to 120 kbit/s DIN2
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Low Supply Current in Shutdown Mode . . . 15 μA Typ
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External Capacitors . . . 4 × 0.1 F
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Designed to Be Interchangeable With Industry Standard '213 Devices
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Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II
APPLICATIONS
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Battery-Powered Systems
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PDAs
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Notebooks
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Laptops
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Palmtop PCs
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Hand-Held Equipment
Describe
The TRS213 device consists of four line drivers, five line receivers, and a dual charge-pump circuit with ±15-kV ESD protection pin to pin (serial-port connection pins, including GND). The device meets the requirements of TIA/EIA-232-F and provides the electrical interface between an asynchronous communication controller and the serial-port connector. The charge pump and four small external capacitors allow operation from a single 5-V supply. The devices operate at data signaling rates up to 120 kbit/s and a maximum of 30-V/μs driver output slew rate.
The TRS213 has an active-low shutdown (SHDN) and an active-high enable control (EN). In shutdown mode, the charge pumps are turned off, V+ is pulled down to VCC, V– is pulled to GND, and the transmitter outputs are disabled. This reduces supply current typically to 1 μA. Two receivers of the TRS213 are active during shutdown.
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