TRSF3243 Texas instruments

TRSF3243

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TRSF3243

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Описание

The TRSF3243 consists of three 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). This device 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 3-V to 5.5-V supply. In addition, this device includes an always-active noninverting output (ROUT2B), which allows applications using the ring indicator to transmit data while the device is powered down. The device operates at data signaling rates up to 1 Mbit/s and an increased slew-rate range of 24 V/µs to 150 V/µs.

Operates with 3-V to 5.5-V V_CC supply
Always-active noninverting receiver output (ROUT2B)
Low standby current: 1 µA typical
External capacitors: 4 × 0.1 µF
Accepts 5-V logic input with 3.3-V supply
Inter-operable with SN65C3238, SN75C3238
Supports operation from 250 kbit/s to 1 Mbit/s
RS-232 Bus-pin esd protection exceeds ±15 kV using human-body model (HBM)

Drivers per package	3
Receivers per package	5
Logic voltage (min) (V)	3.3
Data rate (max) (MBits)	1
Main supply voltage (nom) (V)	3.3, 5
Features	Auto-Powerdown
ESD HBM (kV)	15
Rating	Catalog
Operating temperature range (°C)	-40 to 85
Vout (typ) (V)	5.4