ua967ac Meets or Exceeds the Requirements of ANSI Standards EIA/TIA--B and EIA/TIA--B and ITU Recommendations V. and V. Operates From Single -V Power Supply Wide Common-Mode Voltage Range High Input Impedance TTL-Compatible Outputs High-Speed Schottky Circuitry 8-Pin Dual-in-Line and Small-Outline Packages Designed to Be Interchangeable With National DS967A SLLSB SEPTEMBER 98 REVISED MAY 99 ua967ac...d OR P PACKAGE (TOP VIEW) V CC OUT OUT GND 8 7 6 IN+ IN IN+ IN description The ua967ac is a dual differential line receiver designed to meet ANSI Standards EIA/TIA--B and EIA/TIA--B and ITU Recommendations V. and V.. The line receiver utilizes Schottky circuitry and has TTL-compatible outputs. The inputs are compatible with either a single-ended or a differential-line system. This device operates from a single -V power supply and is supplied in an 8-pin dual-in-line package or small-outline package. The ua967ac is characterized for operation from C to 7 C. logic symbol logic diagram IN+ IN IN+ IN 8 7 6 OUT OUT IN+ IN IN+ IN 8 7 6 OUT OUT This symbol is in accordance with ANSI/IEEE Std 9-98 and IEC Publication 67-. Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. Copyright 99, Texas Instruments Incorporated POST OFFICE BOX 6 DALLAS, TEXAS 76
ua967ac SLLSB SEPTEMBER 98 REVISED MAY 99 schematics of inputs and outputs EQUIVALENT OF EACH INPUT VCC TYPICAL OF ALL OUTPUTS VCC Ω NOM Input 8 kω Output Current Source absolute maximum ratings over operating free-air temperature range (unless otherwise noted) Supply voltage range, V CC (see Note )............................................... V to 7 V Input voltage, V I.......................................................................... ± V Differential input voltage, V ID (see Note )................................................... ± V Output voltage range, V O (see Note )............................................... V to. V Low-level output current, I OL.............................................................. ma Continuous total dissipation........................................... See Dissipation Rating Table Operating free-air temperature range, T A.............................................. C to 7 C Storage temperature range, T stg................................................... 6 C to C Lead temperature,6 mm (/6 inch) from case for seconds............................... 6 C Stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under recommended operating conditions is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. NOTES:. All voltage values, except differential input voltage, are with respect to the network ground terminal.. Differential input voltage is measured at the noninverting input with respect to the corresponding inverting input. PACKAGE TA C POWER RATING DISSIPATION RATING TABLE OPERATING FACTOR ABOVE TA = C TA = 7 C POWER RATING TA = C POWER RATING D 7 mw.8 mw/ C 6 mw P mw 8. mw/ C 6 mw POST OFFICE BOX 6 DALLAS, TEXAS 76
ua967ac SLLSB SEPTEMBER 98 REVISED MAY 99 recommended operating conditions MIN NOM MAX UNIT Supply voltage, VCC.7. V Common-mode input voltage, VIC ± 7 V Operating free-air temperature, TA 7 C electrical characteristics over recommended ranges of supply voltage, common-mode input voltage, and operating free-air temperature (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VIT + Positive-going input threshold voltage See Note VIT Negative-going going input threshold voltage See Note Vhys Hysteresis voltage (VIT+ VIT ) 7 mv VOH High-level output voltage VID =. V, IO = ma.. V VOL Low-level output voltage VID =. V, IO = ma.. V VCC = to. V, VI = V.. II Input current See Note VI = V.6. IOS Short-circuit output current VO =, VID =. V 7 ma ICC Supply current VID =. V, No load ma All typical values are at VCC = V, TA = C. The algebraic convention, in which the less positive (more negative) limit is designated as minimum, is used in this data sheet for threshold levels only. Only one output should be shorted at a time, and duration of the short circuit should not exceed one second. NOTES:. The expanded threshold parameter is tested with a -Ω resistor in series with each input.. The input not under test is grounded. switching characteristics, V CC = V, T A = C.... V V ma tplh tphl PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Propagation delay time, low- to high-level output ns CL = pf, See Figure Propagation delay time, high- to low-level output ns POST OFFICE BOX 6 DALLAS, TEXAS 76
ua967ac SLLSB SEPTEMBER 98 REVISED MAY 99 PARAMETER MEASUREMENT INFORMATION Input Ω VCC + Output VCC + 9 Ω. V Input (see Note B). V % % tplh tphl CL = pf (see Note A).9 kω Output. V. V TEST CIRCUIT VOLTAGE WAVEFORM NOTES: A. CL includes probe and jig capacitance. B. The input pulse is supplied by a generator having the following characteristics: tr ns, tf ns, PRR MHz, duty cycle = %. Figure. Test Circuit and Voltage Waveform TYPICAL CHARACTERISTICS. OUTPUT VOLTAGE DIFFERENTIAL INPUT VOLTAGE VCC =.7 V TA = C. OUTPUT VOLTAGE DIFFERENTIAL INPUT VOLTAGE VCC =. V TA = C VO ÁÁVO Output Voltage V... VIC = VIC = VO Output Voltage V ÁÁVO... VIC = VIC = 7 7 VID Differential Input Voltage mv Figure 7 7 VID Differential Input Voltage mv Figure POST OFFICE BOX 6 DALLAS, TEXAS 76
ua967ac TYPICAL CHARACTERISTICS SLLSB SEPTEMBER 98 REVISED MAY 99 V OH High-Level Ouput Voltage V.... HIGH-LEVEL OUTPUT VOLTAGE HIGH-LEVEL OUTPUT CURRENT VCC = V VID =. V TA = C V OL Low-Level Output Voltage V.6..... LOW-LEVEL OUTPUT VOLTAGE LOW-LEVEL OUTPUT CURRENT VCC = V VID =. V TA = C. 6 7 8 IOH High-Level Output Current ma Figure IOL Low-Level Output Current ma Figure 9 8 No Load Inputs Open TA = C SUPPLY CURRENT SUPPLY VOLTAGE I CC Supply Current ma 7 6 6 7 8 VCC Supply Voltage V Figure 6 POST OFFICE BOX 6 DALLAS, TEXAS 76
ua967ac SLLSB SEPTEMBER 98 REVISED MAY 99 APPLICATION INFORMATION V Twisted Pair V / ua968ac / ua967ac V / ua967ac Figure 7. EIA/TIA--B System Applications 6 POST OFFICE BOX 6 DALLAS, TEXAS 76
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