9612 - 9612E DUAL DIFFERENTIAL LINE DRIVERS FAIRCHILD LINEAR INTEGRATED CIRCUITS GENERAL DESCRIPTION The 9612 Dual Differential Line Driver is designed specifically to drive single ended or differential, back matched or terminated transmission lines. The outputs are similar to CONNECTION DIAGRAM totem pole TTL outputs, with active pull-up and pull-down, for use in simplex or simplex distribution 8-LEAD MINIDIP bus systems. The devices feature a short circuit protected active pull-up. The inputs and outputs have (TOP VIEW) clamp diodes to minimize the effect of line transients. The active pull-up output offers low output PACKAGE OUTLINE 9T 6T impedance allowing back matching or parallel termination of the line. The 9612E and 9612A are PACKAGE CODE T R specified to drive 50 2 transmission line at high speed while guaranteeing a maximum skew between outputs of less than 3.5 ns for application requiring high performance line drivers. (9613 is the functional complement). 9612A/9612/9612E 9612A/9612E @ SINGLE 5 V SUPPLY @ GUARANTEED MAXIMUM OUTPUT @ TTL COMPATIBLE INPUTS SKEW @ OUTPUT SHORT CIRCUIT PROTECTION @ HIGH OUTPUT DRIVE CAPABILITY @ tNPUT CLAMP DIODES FOR 50 2 TRANSMISSION LINES @ OUTPUT CLAMP DIODES FOR TERMINATION OF LINE TRANSIENTS @ COMPLEMENTARY OUTPUTS ABSOLUTE MAXIMUM RATINGS Storage Temperature 65C to +150C eg cmperature 55C to +128C ORDER INFORMATION 9612, 9612E 0C to +70C TYPE PART NO. Vec +7.0V 9612 9612TC VIN 0.5 V to +5.5V 9612E 9612ETC Internal Power Dissipation (Note 1) 800 mw 9612A 9612ARM Lead Temperature (Soldering, 10 s) 9612 9612RC Metal Can, Hermetic Mini DIP (Soldering, 60 s) 300C 9612E 9612ERC Molded Mini DIP (Soldering, 19 s) 260C NOTE: 1. For the Hermetic Mini DIP and Molded Mini DIP derate above 30C at 6.7 mW/C. For the Metal SEO view) Can derate above 70C at 6.3 mw/c; the rating for Metal Can requires a heat sink that provides a thermal resistance from case to free air, Reca, of not more than 95C. PACKAGE OUTLINE 5B PACKAGE CODE H EQUIVALENT CIRCUIT (1/2 of 9612) O 8 Voc Ra SAi2 > 800 2900 J Seo $R13 > 1k Sak INPUTS, O G12) ouTPUuTS =O 1117 SR p15 4k ft ORDER INFORMATION ec TYPE PART NO. INPUTS 26 110 9612A 9612AHM OTHER. 9612 9612HC Pr avy | 9612E 9612EHC R19 KB 4 GROUND 100 R23 50k 11-19FAIRCHILD LINEAR INTEGRATED CIRCUITS 9612A 9612 9612E ELECTRICAL CHARACTERISTICS (Vcc = 5.0 V 410%, Ta = 55C to +125C, unless otherwise specified) LIMITS SYMBOL PARAMETER CONDITIONS UNITS MIN | TYP | MAX VoL Output LOW Voltage lol =40mA 200 400 mV Votc Clamped Output LOW Voltage loc = 40 mA 1.5 | -0.8 Vv VOH Output HIGH Voltage IOH = 40 mA 2.0 | 2.75 Vv Isc Output Short Circuit Current VouT = 0V 140| 77 | 42 mA VIL Input LOW Voltage 0.8 Vv Vind Input HIGH Voltage 2.0 v UL Input LOW Current ViL=04V 1.6 mA lin Input HIGH Current VIH=2.4V 40 uA IR Input Reverse Current VR=45V 1.0 mA Vco Input Clamp Diode Voltage Vcc = 4.75 V, lic =-12 mA, T= 25C -1.5 | -0.8 Vv loc Supply Current Inputs =O V, T= 25C 42 50 mA Imax Max. Supply Current Inputs = 0 V, Vmax = 7.0 V, T= 25C 59 70 mA ELECTRICAL CHARACTERISTICS (Vcc = 5.0 V 15%, Ta = 0C to 70C, unless otherwise specified) LIMITS SYMBOL PARAMETER CONDITIONS 9612 9612E UNITS MIN | TYP | MAX] MIN | TYP | MAX VoL Output LOW Voltage loL = 40 mA 200 400 200 | 400 mV IOL = 50 mA (9612E only) 250 | 400 | mv VoLc Clamped Output LOW Voltage lotc = 40 mA -1.5| -0.8 -1.5 | -0.8 v loLc = 50 mA(9612E only) -1.5 | 0.9 Vv VoOH Output HIGH Voltage loH = 40 mA 2.4 | 2.75 2.4 | 2.75 v loH = 50 mA (9612E only) 2.4 | 2.60 Vv Isc Output Short Circuit Current Vout = 0V -140; 77 | 42 | -140| ~77 | 55 mA ViL Input LOW Voltage 0.8 0.8 Vv VIH Input HIGH Voltage 2.0 2.0 v Mie Input LOW Current . ViL=04V 1.6 1.6 mA NH input HIGH Current ViIH=2.4V 40 40 uA In Input Reverse Current VR=45V 1.0 1.0 mA Vcep Input Clamp Diode Voltage Veco =4.75V, lic =-12mMA}] 1.5] 0.8 1.5 | -0.8 Vv lee Supply Current Inputs = 0 V 42 50 42 50 mA Imax Max. Supply Current Inputs = 0 V, Vmax = 7.0 V 59 70 59 70 mA AC CHARACTERISTICS: Ta = 25C, Vcc = 5.0 V, RL = 100 & (Note 1) LIMITS SYMBOL PARAMETER CONDITIONS 9612 9612A/9612E UNITS MIN | TYP | MAX | MIN | TYP | MAX tPLH Turn Off Time Ry. = 100 2 (Note 1) 30 20 ns tPHL Turn On Time Cy < 15 pF 30 20 ns ts Output Skew See Fig. 1 3.5 +3.5 ns NOTE: 1. Ry must be noninductive. AC CIRCUIT AND WAVEFORMS +5.0V +5.0V j INPUT PULSE Frequency = 2 MHz => Fig. 1 Amplitude = 3.0 + 0.7 V Pulse Width = 250 +10 ns ty = tp < 5.0 ns 11-20FAIRCHILD LINEAR INTEGRATED CIRCUITS 9612A 9612 * 9612E OUTPUT LOW CURRENT mA POWER SUPPLY CURRENT mA PROPAGATION DELAY TIMES ns OUTPUT LOW CURRENT AS A FUNCTION OF OUTPUT LOW VOLTAGE Tas 25C Veo Veco = 5.0V Veo" 45 0 O01 82 O3 64 OF O08 O07 QUTPUT LOW VOLTAGE V SUPPLY CURRENT AS A FUNCTION OF SUPPLY VOLTAGE Ta7 26C NO 2.0 4.0 6.0 POWER SUPPLY VOLTAGE - V PROPAGATION DELAY TIME AS A FUNCTION OF AMBIENT TEMPERATURE Voc = 5.0V = 30pF -20 0 2 60 100 140 AMBIENT TEMPERATURE C TYPICAL PERFORMANCE CURVES OUTPUT HIGH CURRENT AS A FUNCTION OF OUTPUT HIGH VOLTAGE Tax 25C OUTPUT HIGH CURRENT mA 0 1.0 20 3.0 OUTPUT HIGH VOLTAGE mv SUPPLY CURRENT AS A FUNCTION OF AMBIENT TEMPERATURE Vec = INPUTS GROUNDED a 8 POWER SUPPLY CURRENT ma o 40 80 120 AMBIENT TEMPERATURE ~C TRANSFER CHARACTERISTICS AS A FUNCTION OF AMBIENT TEMPERATURE 5.0 Voc = 5.0 SEE SWITCHING OUTPUT VOLTAGE -V INPUT VOLTAGE V OUTPUT VOLTAGE VOLTS POWER SUPPLY CURRENT ~ mA QUTPUT VOLTAGE V OUTPUT VOLTAGE AS A FUNCTION OF AMBIENT TEMPERATURE 35 25 20 Os 60 -2 0 20 60 100 140 AMBIENT TEMPERATURE C SUPPLY CURRENT AS A FUNCTION OF OPERATING FREQUENCY Vec= C= 30 pF 100 8 1 O5 10 20 OPERATING FREQUENCY MHz TRANSFER CHARACTERISTICS AS A FUNCTION OF SUPPLY VOLTAGE INPUT VOLTAGE ~- V 11-21FAIRCHILD LINEAR INTEGRATED CIRCUITS 9612A * 9612 9612E TYPICAL APPLICATIONS SIMPLEX BALANCED DIFFERENTIAL OPERATION Voc a 1/2 9613 Voc. TWISTED PAIR LINE 1/2 9612 by! - DATA DATA OUTPUT 1 INPUT SHIELD OR COMMON GROUND CONNECTION I, I, TYPICAL REFLECTION DIAGRAM Ta = 28C Voc = 5.0V LOW STATE OUTPUT DEVICE CHARACTERISTICS HIGH STATE OUTPUT DEVICE CHARACTERISTICS OUTPUT CURRENT mA -2.0 0 2.0 4.0 6.0 OUTPUT VOLTAGE ~ V 11-22