|Category||Communication => Transeivers|
|Description||Quad Differential Receivers|
|Company||National Semiconductor Corporation|
|Datasheet||Download DS96F173C datasheet
The DS96F173 and the DS96F175 are high speed quad differential line receivers designed to meet the EIA-485 standard. The DS96F173 and the DS96F175 offer improved performance due to the use of L-FAST bipolar technology. The use of LFAST technology allows the DS96F173 and DS96F175 to operate at higher speeds while minimizing power consumption. The DS96F173 and the DS96F175 have TRI-STATE ® outputs and are optimized for balanced multipoint data bus transmission at rates to 15 Mbps. The receivers feature high input impedance, input hysteresis for increased noise immunity, and input sensitivity 200 mV over a common mode input voltage range to +12V. The receivers are therefore suitable for multipoint applications in noisy environments. The DS96F173 features an active high and active low Enable, common to all four receivers. The DS96F175 features separate active high Enables for each receiver pair.Features
Meets EIA-422A, EIA-423A standards Designed for multipoint bus applications TRI-STATE outputs Common mode input voltage range: to +12V Operates from single +5.0V supply Reduced power consumption (ICC 50 mA max) Input sensitivity 200 mV over common mode range Input hysteresis 50 mV typical High input impedance Military temperature range available Qualified for MIL STD 883C Available to standard military drawings (SMD) Available in DIP(J), LCC(E), and FlatPak (W) packages DS96F173 and DS96F175 are lead and function compatible with SN75173/175 or the AM26LS32/MC3486H = High Level L = Low Level Z = High Impedance (off) X = Don't Care
TRI-STATE is a registered trademark of National Semiconductor Corporation.
Specifications for the 883 version of this product are listed separately. Storage Temperature Range (TSTG) to +175°C Lead Temperature (Soldering, 60 sec.) 300°C Max. Package Power Dissipation (Note at 25°C Ceramic DIP (J) 1500 mW Supply Voltage ± 25V Input Voltage, or B Inputs ± 25V Differential Input Voltage Enable Input Voltage 7.0V Low Level Output Current 50 mA
Min Supply Voltage (VCC) DS96F175C Common Mode Input Voltage (VCM) Differential Input Voltage (VID) Output Current HIGH (IOH) Output Current LOW (IOL) Operating Temperature (TA) 4.75 -7 Typ 5.0 Max Units mA °C
Electrical Characteristics (Notes 3, 4) Over recommended supply voltage and operating temperature ranges, unless otherwise specified
Symbol VTH VTL VTH - VTL VIH VIL VIC VOH VOL IOZ II IIH IIL RI IOS ICC ICCX Parameter Differential-Input High Threshold Voltage Differential-Input (Note 5) Low Threshold Voltage Hysteresis (Note 6) Enable Input Voltage HIGH Enable Input Voltage LOW Enable Input Clamp Voltage Output Voltage HIGH Output Voltage LOW High-Impedance State Output Line Input Current (Note 7) Enable Input Current HIGH Enable Input Current LOW Input Resistance Short Circuit Output Current Supply Current (Note 8) No Load Outputs Enabled Outputs Disabled -18 mA VID 200 mV IOH -400 µA VID to 2.4V Other Input = 0V VIH = 2.7V VIL to +125°C IOL 8.0 mA IOL 11 mA VCM VO = VOL VO = VOH Conditions Min Typ Max 0.2 Units V
VCC = 25°C Symbol tPLH tPHL tZH tZL tHZ Parameter Propagation Delay Time, Low to High Level Output Propagation Delay Time, High to Low Level Output Enable Time to High Level Output Enable Time to Low Level Output Disable Time from High Level = 15 pF, Figure = 15 pF, Figure = 5.0 pF, Figure ns Conditions VID = 15 pF, Figure 1 VCM 22 ns Min 5.0 Typ 15 Max 22 Units nsOutput Disable Time from Low Level Pulse Width Distortion (SKEW)
Note 2: "Absolute Maximum Ratings" are those values beyond which the safety of the device cannot be guaranteed. They are not meant to imply that the devices should be operated at these limits. The tables of "Electrical Characteristics" provide conditions for actual device operation. Note 3: Unless otherwise specified min/max limits apply across the to +70°C range for the DS96F175C. All typicals are given for VCC = 5V and = 25°C. Note 4: All currents into the device pins are positive; all currents out of the device pins are negative. All voltages are reference to ground unless otherwise specified. Note 5: The algebraic convention, when the less positive (more negative) limit is designated minimum, is used in this data sheet for common mode input voltage and threshold voltage levels only. Note 6: Hysteresis is the difference between the positive-going input threshold voltage. VTH, and the negative going input threshold voltage, VTL. Note 7: Refer to EIA-485 Standard for exact conditions. Note 8: Only one output at a time should be shorted.
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