Details, datasheet, quote on part number: DS8935WM
PartDS8935WM
CategoryCommunication => Network => AppleTalk/LocalTalk
DescriptionLocaltalk Dual Driver/triple Receiver (obsolete)
CompanyNational Semiconductor Corporation
DatasheetDownload DS8935WM datasheet
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Features, Applications

The is a dual driver/triple receiver device optimized to provide a single chip solution for a LocalTalk Interface. The device provides one differential TIA/EIA-422 driver, one TIA/EIA-423 single ended driver, one TIA/EIA-422 receiver and two TIA/EIA-423 receivers, all in a surface mount 16-pin package. This device is electrically similar to the 26LS30 and 26LS32 devices. The drivers feature 10V common mode range, and the differential driver provides TRI-STATEable outputs. The receivers offer 200 mV thresholds over the 10V common mode range. The device offers enable circuitry for the differential driver and selectable enabling for the three receivers.

Features

Single chip solution for LocalTalk port Two driver/three receivers per package Wide common mode range: 200 mV receiver sensitivity 70 mV typical receiver input hysteresis Available in SOIC packaging Failsafe receiver for open inputs

TRI-STATE is a registered trademark of National Semiconductor Corporation. LocalTalkTM is a trademark of Apple Computer, Inc.

If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Supply Voltage (VCC) Supply Voltage (VEE) Enable Input Voltage (DEN1, RE, RE ) Driver Input Voltage (DIN) Driver Output Voltage (Power Off: DOUT) Receiver Input Voltage (VID: RIN+ - RIN-) Receiver Input Voltage (VCM: (RIN+ + RIN-)/2) Receiver Input Voltage (Input to GND: RIN) Receiver Output Voltage (ROUT) Maximum Package Power Dissipation @+25C M Package +5.5V 1.34W

Derate M Package 10.7 mW/C above +25C Storage Temperature Range to +150C Lead Temperature Range (Soldering, 4 Sec.) +260C This device does not meet 2000V ESD Rating (Note 8)

Supply Voltage (VCC) Supply Voltage (VEE) Operating Free Air Temperature (TA) Min -4.75 0 Typ -5.0 25 Max -5.25 70 Units V C

Electrical Characteristics (Notes 2, 3) Over Supply Voltage and Operating Temperature ranges, unless otherwise specified

Symbol VOD VO VOD1 VSS VOD1 VOS VOD2 IOZD Parameter Output Differential Voltage Output Voltage Output Differential Voltage - VOD1| Output Unbalance Offset Voltage Offset Unbalance Output Differential Voltage TRI-STATE Leakage Current = 140, Figure 1 VCC = +10V VEE = -10V SINGLE ENDED DRIVER CHARACTERISTICS V T VCM IOSD IOXD Output Voltage (No Load) Output Voltage Output Unbalance Common Mode Range Short Circuit Current Power-Off Leakage Current (VCC = VEE = 0V) Power Off, or D1 Disabled = 0V, Sourcing Current = 0V, Sinking Current = -10V DOUT+, DOUT- 3.9 k, Figure 3 k, Figure = 450, Figure 2 4 DOUT- |V| mA A DOUT+, DOUT- 6.0 Conditions = 100, Figure 1 Pin Min Typ Max Units V |V| V |V| A DIFFERENTIAL DRIVER CHARACTERISTICS

Symbol VTH VHY RIN IIN Parameter Input Threshold Hysteresis Input Resistance Input Current (Other Input = 0V, Power On, or VCC = VEE = 0V)

Over Supply Voltage and Operating Temperature ranges, unless otherwise specified Conditions -7V VCM +7V VCM 0V -10V VCM +10V VIN = +10V VIN = +3V VIN = -3V VIN 500 (R2 only) IOH = -400 A, VIN +200 mV IOH = -400 A, VIN = OPEN IOL = 8.0 mA, VIN = 0V VCC = Max 0.4V 2.0 VIN = 2.4V VIN = 0.4V IIN mA No Load D1 Enabled or Disabled DIN, DEN1, RE, RE VCC VEE RIN+, RIN- Pin Min Typ Max +200 Units V mA RECEIVER CHARACTERISTICS

Input Balance Test High Level Output Voltage
Low Level Output Voltage Short Circuit Current TRI-STATE Output Current

DEVICE CHARACTERISTICS VIH VIL IIH IIL VCL ICC IEE High Level Input Voltage Low Level Input Voltage High Level Input Current Low Level Input Current Input Clamp Voltage Power Supply Current

Over Supply Voltage and Operating Temperature Ranges, unless otherwise specified Symbol tPHLD tPLHD tSKD tr tf tPHZ tPLZ tPZH tPZL tPHL tPLH tSK tr tf tPHL tPLH tSK Parameter Differential Propagation Delay High to Low Differential Propagation Delay Low to High Differential Skew |tPHLD - tPLHD| Rise Time Fall Time Disable Time High to Z Disable Time Low to Z Enable Time Z to High Enable Time Z to Low Propagation Delay High to Low Propagation Delay Low to High Skew, |tPHL - tPLH Rise Time Fall Time Propagation Delay High to Low Propagation Delay Low to High Skew, |tPHL - tPLH|


 

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