TRS3243 Texas instruments

TRS3243

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TRS3243

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Описание

The TRS3243 device consists of three line drivers, and five line receivers, which is ideal for DE-9 DTE interface. A ±15-kV ESD (HBM) protection pin-to-pin (serial-port connection pins, including GND). Flexible power features save power automatically. Special outputs ROUT2B and INVALID are always enabled to allow checking for ring indicator and valid RS232 input.

Operates with 3-V to 5.5-V V_CC supply
Single-chip and single-supply interface for IBM PC/AT™ serial port
RS-232 bus-pin ESD protection of ±15 kV using human-body model (HBM)
Meets or exceeds the requirements of TIA/EIA-232-F and ITU V.28 standards
Three drivers and five receivers
Operates up to 250 kbps
Low active current: 300-µA typical
Low standby current: 1-µA typical
External capacitors: 4 × 0.1 µF
Accepts 5-V logic input with 3.3-V supply
Always-active noninverting receiver output (ROUT2B)
Operating temperature
- TRS3243C: 0°C to 70°C
- TRS3243I: –40°C to 85°C
Serial-mouse driveability
Automatic power-down feature to disable driver outputs when no valid RS-232 signal is sensed

Drivers per package	3
Receivers per package	5
Logic voltage (min) (V)	3.3
Data rate (max) (MBits)	0.25
Main supply voltage (nom) (V)	3.3, 5
Features	Auto-Powerdown
ESD HBM (kV)	15
Rating	Catalog
Operating temperature range (°C)	-40 to 85, 0 to 70
Vout (typ) (V)	5.4