SN75LV4737A 3.3-V/5-V MULTICHANNEL RS232 LINE DRIVER/RECEIVER

SLLS178A - APRIL 1994 - REVISED NOVEMBER 1994

features

Single-Chip and Single-Supply Interface for IBM PC/AT Serial Port
Meets or Exceeds the Requirements of EIA/TIA-232-E and ITU v.11 Standards
Operates With 3.3-V or 5-V Supplies
One Receiver Remains Active During Standby (Wake-Up Mode)
Designed to Operate at 128 kbits Over a 3-m Cable
Low Standby Current . . . 5 uA Max
ESD Protection on RS-232 Pins Meets or Exceeds 4 kV (HBM) and 1.5 kV (HBM) on All Pins Per MIL-STD-883C, Method 3015
External Capacitors . . . 0.1 uF
- (V_CC = 3.3 V Five External Capacitors)
- (V_CC = 5 V Four External Capacitors)
Packaged in Shrink Small-Outline Package With 25-Mil Terminal Pitch and Maximum 2-mm Height (SSOP)
Accepts 5-V Logic Input With 3.3-V Supply
Pin Compatible With the SN75LV4735
Applications
- EIA/TIA-232 Interface
- Battery-Powered Systems, PDAs
- Notebook, Laptop, and Palmtop PCs
- External Modems and Hand-Held Terminals

^{^[dagger]}Patent-pending design.

description

The SN75LV4737A^{^[Dagger]} consists of three line drivers, five line receivers, and a charge-pump circuit. It provides the electrical interface between an asynchronous communication controller and the serial-port connector and meets the requirements of EIA/TIA-232-E. This combination of drivers and receivers matches those needed for the typical serial port used in an IBM PC/AT or compatibles. The charge pump and five small external capacitors allow operation from a single 3.3-V supply and four capacitors for operation from a 5-V supply.

The device has flexible control options for power management when the serial port is inactive. A common disable for all of the drivers and receivers is provided with the active-high STBY input. The active-low EN\ input is an enable for one receiver to implement a wake-up feature for the serial port. All the logic inputs can accept signals from controllers operating from a 5-V supply even though the SN75LV4737A is operating from 3.3 V.

The SN75LV4737A is characterized for operation over the temperature range of 0°C to 70°C.

Title: 3.3-V/5-V MUTICHANNEL RS232 LINE DRIVER/RECEIVER
Product Family: TRANSMITTERS AND RECEIVERS
Device Functionality: TRANSMITTERS/RECEIVERS
Orderable Devices: SN75LV4737ADBLE

View the complete PDF datasheet: slls178a.pdf (174 K Bytes) (Requires Acrobat Reader 3.x)

View more information about generic part numbers:SN75LV4737A

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