Details, datasheet, quote on part number: SP488AET
PartSP488AET
Category
DescriptionHigh Speed Quad RS-485/RS-422 Line Receivers
CompanySipex Corporation
DatasheetDownload SP488AET datasheet
Cross ref.Similar parts: SN65LBC173
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Features, Applications

s High Speed Versions of Sipex's s 30Mbps Transmission Rates s Quad Differential Line Receivers or RS-422 Applications s Tri­state Output Control s 30ns Typical Receiver Propagation Delays to +12V Common Mode Input Range s 1mA Supply Current s Single +5V Supply Operation s Pin Compatible with SN75175, LTC488 and LTC489 DESCRIPTION... The SP488A and SP489A are high speed quad differential line receivers capable of meeting the RS-485 and RS-422 protocols while running at five times the normal transmission rates. The SP488A and SP489A are enhanced versions of Sipex's SP488 and SP489 quad RS-485/RS-422 line receivers. The SP488A features a common receiver enable control; the SP489A provides independent receiver enable controls for each pair of receivers. Both feature tri­state outputs and wide common­mode input range. The receivers have a fail­safe feature which forces a logic "1" output when receiver inputs are left floating. 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) Receiver............................................................................... ±14V Receiver Output Voltage................................. ­0.5V to (VCC +0.5V) Input Currents Logic.................................................................................. ±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 RECEIVER INPUTS Input Resistance Differential Input Threshold Input Current (A, B)

Maximum Data Rate 30 RECEIVER OUTPUTS Output Voltage VOH 3.5 VOL High Impedance Output Current

POWER REQUIREMENTS Supply Voltage 4.75 5.25 Supply Current TBD ENVIRONMENTAL AND MECHANICAL Operating Temperature -40 +85 Storage Temperature -65 +150 Package ­_P 16­pin Plastic DIP ­_T 16­pin SOIC

PARAMETER MIN. PROPAGATION DELAY Receiver Input to Output Low to HIGH (tPLH) High to LOW (tPHL) Differential Receiver Skew (tSKD) Receiver Rise Time (tR) SP488A SP489A Receiver Fall Time (tF) SP488A SP489A RECEIVER ENABLE To Output HIGH To Output LOW RECEIVER DISABLE From Output LOW From Output HIGH

= 15pF; Figures 2 and 4 (S2 closed) = 15pF; Figures 2 and 4 (S1 closed) = 15pF; Figures 2 and 4 (S1 closed) = 15pF; Figures 2 and 4 (S2 closed)


 

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