Details, datasheet, quote on part number: SP487CT
PartSP487CT
CategoryInterface and Interconnect => RS-485
Descriptionno of Tx/rx = 4Tx ;; Duplex = N/a ;; VCC (V) = 5 ;; Typ. Icc Current (mA) = 0.5 ua ;; Data Rate (kbps) = 10,000 ;; Typ. Shut Down Icc (µA) = N/a ;; No. Of Rx/tx on Bus = 32 ;; RX Failsafe With Inputs Open = ;; Features = › Output Driver Short Circuit Protection ;; Op. Range (°C) = -40 to 85 0 to 70 ;; Package = 16 Pin Pdip 16 Pin Soic ;; Esd = 2KV
CompanySipex Corporation
DatasheetDownload SP487CT datasheet
Cross ref.Similar parts: SN75LBC174, LTC487CS, MC3487D
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Features, Applications

or RS-422 Applications Quad Differential Line Drivers Tri­state Output Control 40ns Typical Driver Propagation Delays 5ns Skew to +12V Common Mode Output Range 100µA Supply Current Single +5V Supply Operation Pin Compatible with SN75174, LTC486, and LTC487

DESCRIPTION... The SP486 and SP487 are low­power 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 tri­state outputs and wide common­mode input range. Both are available in 16­pin plastic DIP and SOIC packages.

These are stress ratings only and functional operation of the device at these or any other above those indicated in the operation sections of the specifications below is not implied. Exposure to absolute maximum rating conditions for extended periods of time may affect reliability. VCC............................................................................................ +7V Input Voltages Logic............................................................. ­0.5V to (VCC +0.5V) Drivers.......................................................... ­0.5V to (VCC +0.5V) Driver Output Voltage............................................................. ±14V Input Currents Logic.................................................................................. ±25mA Driver................................................................................. ±25mA Storage Temperature............................................ to +150°C Power Dissipation Plastic DIP........................................................................ 375mW (derate 7mW/°C above +70°C) Small Outline.................................................................... 375mW (derate 7mW/°C above +70°C) Lead Temperature (soldering, 10 sec)................................... 300°C

SPECIFICATIONS
VCC = 5V±5%; typicals at 25°C; TMIN TA TMAX unless otherwise noted.

PARAMETER DC CHARACTERISTICS Digital Inputs Voltage VIL VIH Input Current DRIVER OUTPUTS Differential Voltage

2 Change in Output Magnitude for Complementary Output State Common Mode Output Voltage 2.3 Change in Common Mode Output Magnitude for Complementary Output State Maximum Data Rate 10 Short­circuit Current VOH VOL High Impedance Output Current POWER REQUIREMENTS Supply Voltage 4.75 Supply Current

No load, output enabled No load, output disabled

ENVIRONMENTAL AND MECHANICAL Operating Temperature ­40 +85 Storage Temperature ­65 +150 Package ­_S 16­pin Plastic DIP ­_T 16­pin SOIC

Pin 8 GND Digital Ground. SP486 PINOUT Pin 1 DI1 Driver 1 Input If Driver 1 output is enabled, logic on DI1 forces driver output DO1A low and DO1B high. A logic on DI1 with Driver 1 output enabled forces driver DO1A high and DO1B low. Pin 2 DO1A Driver 1 output A. Pin 3 DO1B Driver 1 output B. Pin 4 EN Driver Output Enable. Please refer to SP486 Truth Table (1). Pin 5 DO2B Driver 2 output B. Pin 6 DO2A Driver 2 output A. Pin 7 DI2 Driver 2 Input If Driver 2 output is enabled, logic on DI2 forces driver output DO2A low and DO2B high. A logic on DI2 with Driver 2 output enabled forces driver DO2A high and DO2B low. Pin 9 DI3 Driver 3 Input If Driver 3 output is enabled, logic on DI3 forces driver output DO3A low and DO3B high. A logic on DI3 with Driver 3 output enabled forces driver DO3A high and DO3B low. Pin 10 DO3A Driver 3 output A. Pin 11 DO3B Driver 3 output B. Pin 12 EN Driver Output Disable. Please refer to SP486 Truth Table (1). Pin 13 DO4B Driver 4 output B. Pin 14 DO4A Driver 4 output A. Pin 15 DI4 Driver 4 Input If Driver 4 output is enabled, logic on DI4 forces driver output DO4A low and DO4B high. A logic on DI4 with Driver 3 output enabled forces driver DO4A high and DO4B low.

Quad RS-485/RS-422 Line Drivers © Copyright 2000 Sipex Corporation

 

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