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Part Name(s) : ST26C32 ST26C32CP16 ST26C32CF16 ST26C32IP16 ST26C32IF16 Exar
Exar Corporation
Description : QUAD RS-422, RS-423 CMOS DIFFERENTIAL LINE RECEIVER View

GENERAL DESCRIPTION
The ST26C32 is a CMOS QUAD DIFFERENTIAL LINE RECEIVER designed to meet the standard RS-422, RS-423 requirements. The ST26C32 has an input sensitivity of 200mv over the common mode input voltage range of ±7V. To improve noise margin and output stability for slow changing input signal, special hysteresis is built in the ST26C32 circuit.

FEATURES
● Pin-to-Pin Compatible with National DS26C32C
● Low Power CMOS Design
● Three-State Outputs with Enable Pin
● Meets the EIA RS-422 Requirements
● Low Propagation Delays
● High Speed

Part Name(s) : SP306 SP306CT SP306MF Sipex
Signal Processing Technologies
Description : RS-422/RS-423 LINE Drivers/RECEIVERs View

DESCRIPTION…
TheSP306 is a single chip device that offers both RS-422 and RS-423–type serial interfaces. The device can be programmed to provide two full–duplex channels of either RS-422 or RS-423 via two mode control pins. The SP306 also features a loopback function that can be activated in any operating mode. The SP306 is available in a 28–pin SOIC package for operation over the commercial temperature range.

■ Single chip serial transceiver supports RS-422 or RS-423 interfaces
■ Programmable Selection of Interface
■ Two Full–Duplex Channels of Either Interface
■ Software–Selectable Mode
■ Loopback for Self–Testing
■ Short–Circuit Protected
■ Surface Mount Packaging

 

Part Name(s) : DS3486MX DS3486M DS3486M/NOPB DS3486MX/NOPB DS3486 TI
Texas Instruments
Description : QUAD RS-422, RS-423 LINE RECEIVER View

DESCRIPTION
Texas Instruments QUAD RS-422, RS-423 RECEIVER features four independent RECEIVERs which comply with EIA Standards for the electrical characteristics of balanced/unbalanced voltage digital interface circuits. RECEIVER outputs are 74LS compatible, TRI-STATE structures which are forced to a high impedance state when the appropriate output control pin reaches a logic zero condition. A PNP device buffers each output control pin to assure minimum loading for either logic one or logic zero inputs. In addition, each RECEIVER has internal hysteresis circuitry to improve noise margin and discourage output instability for slowly changing input waveforms.

FEATURES
• Four Independent RECEIVERs
• TRI-STATE Outputs
• Internal Hysteresis −140 mV (typ)
• Fast Propagation Times −19 ns (typ)
• TTL Compatible Outputs
• 5V Supply
• Pin Compatible and Interchangeable with MC3486

Part Name(s) : DS3486 DS3486M DS3486M/NOPB DS3486MX DS3486MX/NOPB Texas-Instruments
Texas Instruments
Description : QUAD RS-422, RS-423 LINE RECEIVER View

DESCRIPTION
Texas Instruments QUAD RS-422, RS-423 RECEIVER features four independent RECEIVERs which comply with EIA Standards for the electrical characteristics of balanced/unbalanced voltage digital interface circuits. RECEIVER outputs are 74LS compatible, TRI-STATE structures which are forced to a high impedance state when the appropriate output control pin reaches a logic zero condition. A PNP device buffers each output control pin to assure minimum loading for either logic one or logic zero inputs. In addition, each RECEIVER has internal hysteresis circuitry to improve noise margin and discourage output instability for slowly changing input waveforms.

FEATURES
• Four Independent RECEIVERs
• TRI-STATE Outputs
• Internal Hysteresis −140 mV (typ)
• Fast Propagation Times −19 ns (typ)
• TTL Compatible Outputs
• 5V Supply
• Pin Compatible and Interchangeable with MC3486


Part Name(s) : DS3486 DS3486M DS3486MX DS3486N DS3486M DS3486MX DS3486N DS3486 National-Semiconductor
National ->Texas Instruments
Description : QUAD RS-422, RS-423 LINE RECEIVER View

General Description
Nationals QUAD RS-422, RS-423 RECEIVER features four independent RECEIVERs which comply with EIA Standards for the electrical characteristics of balanced/unbalanced voltage digital interface circuits. RECEIVER outputs are 74LS compatible, TRI-STATE® structures which are forced to a high impedance state when the appropriate output control pin reaches a logic zero condition. A PNP device buffers each output control pin to assure minimum loading for either logic one or logic zero inputs. In addition, each RECEIVER has internal hysteresis circuitry to improve noise margin and discourage output instability for slowly changing input waveforms.

Features
■ Four independent RECEIVERs
■ TRI-STATE outputs
■ Internal hysteresis −140 mV (typ)
■ Fast propagation times −19 ns (typ)
■ TTL compatible outputs
■ 5V supply
■ Pin compatible and interchangeable with MC3486

Part Name(s) : SP488E SP489E SP488ECP SP488ECT SP488EEP SP488EET SP489ECP SP489ECT SP489EEP SP489EET Sipex
Signal Processing Technologies
Description : Enhanced QUAD RS-485/RS-422 LINE RECEIVERs View

DESCRIPTION…
The SP488E and SP489E are low-power QUAD DIFFERENTIAL LINE RECEIVERs that meet the specifications of RS-485 and RS-422 serial protocols with enhanced ESD performance. The ESD tolerance has been improved on these devices to over +15kV for both Human Body Model and IEC1000-4-2 Air Discharge Method.

■ RS-485 or RS-422 Applications
QUAD DIFFERENTIAL LINE RECEIVERs
RECEIVER Output Disable
■ –7V to +12V Common Mode Input Range
■ 1mA Supply Current
■ Single +5V Supply Operation
■ Superior Drop-in Replacement for
   SN75173, SN75175, LTC488 and LTC489
■ Improved ESD Specifications:
   +15kV Human Body Model
   +15kV IEC1000-4-2 Air Discharge
   +8kV IEC1000-4-2 Contact Discharge

Part Name(s) : SP486 SP486CS SP486CT SP486ES SP486ET SP487 SP487CS SP487CT SP487ES SP487ET Sipex
Signal Processing Technologies
Description : QUAD RS-485/RS-422 LINE Drivers View

DESCRIPTION…
The SP486 and SP487 are low–power QUAD DIFFERENTIAL LINE drivers meeting RS-485 and RS-422 standards. The SP486 features a common driver enable control; the SP487 provides independent driver enable controls for each pair of drivers. Both feature tri–state outputs and wide common–mode input range. Both are available in 16–pin plastic DIP and SOIC packages.

■ RS-485 or RS-422 Applications
QUAD DIFFERENTIAL LINE Drivers
■ Tri–state Output Control
■ 40ns Typical Driver Propagation Delays
■ 5ns Skew
■ –7V to +12V Common Mode Output Range
■ 100µA Supply Current
■ Single +5V Supply Operation
■ Pin Compatible with SN75172, SN75174, LTC486, and LTC487

 

Part Name(s) : AN-5023 AN5023 RS-422 RS-485 RS-644 RS-644(LVDS) RS422 RS485 RS644 RS644(LVDS) Fairchild
Fairchild Semiconductor
Description : LVDS Compatibility with Other DIFFERENTIAL Interface Standards (Preliminary) View

Abstract
Low Voltage DIFFERENTIAL Signaling (LVDS) technology offers one of the best serial data transmission profiles available today for physical layer interfaces. With many existing interface standards to choose from, this applications note provides guideLINEs on the inter-operation of LVDS devices with other DIFFERENTIAL interface standards such as RS-422/485. An example is included of an LVDS RECEIVER configured to be inter-operable with an RS-422 driver.

 

Part Name(s) : SP3486CP SP3486CT SP3486EP SP3486ET SP3487CP SP3487CT SP3487EP SP3487ET SP3486 SP3487 Sipex
Signal Processing Technologies
Description : +3.3V Low Power QUAD RS-485/RS-422 LINE Drivers View

DESCRIPTION
The SP3486 and the SP3487 are +3.3V low power QUAD drivers that meet the specifications of the RS-485 and RS-422 serial protocols.
   
■ RS-485 or RS-422 QUAD DIFFERENTIAL
    LINE Drivers
■ Operates from a single +3.3V supply
■ Interoperable with +5.0V logic
■ Tri-state Output Control
■ -7V to +12V Common-Mode Input
    Voltage Range
■ Common Driver Enable Control (SP3486)
■ Independent Driver Enable Controls for
    each pair of Drivers (SP3487)
■ Compatibility with LTC486
    and SN75172 (SP3486)
■ Compatibility with LTC487
    and SN75174 (SP3487)
   

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