sp488a Exar Corporation, sp488a Datasheet
sp488a
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sp488a Summary of contents
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... 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 ...
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... V OL High Impedance Output Current POWER REQUIREMENTS Supply Voltage 4.75 Supply Current ENVIRONMENTAL AND MECHANICAL Operating Temperature –C 0 –E -40 Storage Temperature -65 Package –_P –_T SP488A/489ADS/07 SP488A/489A High Speed Quad RS-485/RS-422 Line Receivers +0.5V) CC +0.5V) CC TYP. MAX. UNIT 0.8 Volts Volts 2 A kOhm +0.2 Volts +1.0 mA -0.8 ...
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... PHL Figure 1. Receiver Propagation Delays Figure 2. Receiver Enable/Disable Timing SP488A/489ADS/07 SP488A/489A High Speed Quad RS-485/RS-422 Line Receivers TYP. MAX. UNIT TBD ns TBD ns TBD ns TBD ns TBD ns TBD ns TBD ns TBD ns TBD ns TBD ns TBD ...
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... RI A < 200mV, Receiver 2 output is low. Pin 6 — — Receiver 2 input A. 2 Pin 7 — — Receiver 2 input B. 2 Pin 8 — GND — Digital Ground. SP488A/489ADS/07 SP488A/489A High Speed Quad RS-485/RS-422 Line Receivers ...
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... Pin 6 — — Receiver 2 input A. 2 Pin 7 — — Receiver 2 input B. 2 Pin 8 — GND — Digital Ground. SP488A/489ADS/07 SP488A/489A High Speed Quad RS-485/RS-422 Line Receivers RCVR ROn C L Figure 4. Enable/Disable Timing Test Circuit Pin 9 — — Receiver 3 input B. ...
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... After cable loss, the signal may degrade and have an amplitude of less than 1.0V. The receiver input sensitivity of the SP488A and SP489A allows the devices to receive signals as low as 200mV. The SP488A features active high and active low common receiver enable controls; the ...
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... Quad RS485 Receivers: Model ........................ Enable/Disable ...................................... Temperature Range ........................ Package SP488ACP ............... Common; active Low and Active High .. +70 C .................... 16–pin Plastic DIP SP488ACT ................ Common; active Low and Active High .. +70 C ............................. 16–pin SOIC SP488AEP ................ Common; active Low and Active High .. – +85 C ................ 16–pin Plastic DIP SP488AET ................ Common ...