MOTOROLA 4-Bit bidirectional universal shift register MC74AC194 MC74ACT194 handbook
Contents
1. Min Typ Max min max Maximum Input f 5 0 210 Frequency EAE Propagation Delay t Propagation Delay 5 0 PHL CP to Q Propagation Delay 5 0 PHL MR to Q Voltage Range 5 0 V is 5 0 V 0 5 V FACT DATA 5 5 MC74AC194 MC74ACT194 AC OPERATING REQUIREMENTS Gani Ta 40 C Symbol Parameter Ww to 85 C Setup Time n Hold Time Pp to CP t Hold Time h DSR or DSL to Clock CP Pulse Width MR Pulse Width LOW Voltage Range 5 0 V is 5 0 V 0 5 V CAPACITANCE Input Capacitance Voc 5 0 V Power Dissipation Capacitance 125 0 Voc 5 0 V FACT DATA 5 6 MC74AC194 MC74ACT194 OUTLINE DIMENSIONS N SUFFIX PLASTIC DIP PACKAGE CASE 648 08 MY DINERSONINE AND TOLERANCING PER ANSI ISSUE R Y44 5M 1982 CONTROLLING DIMENSION INCH DIMENSION L TO CENTER OF LEADS WHEN FORMED PARALLEL DIMENSION B DOES NOT INCLUDE MOLD FLASH ROUNDED CORNERS OPTIONAL INCHES MILLIMETERS MIN MAX MIN_ MAX 0 740 0 770 18 80 19 55 0 250 0 270 6 85 0 145 0 175 4 44 0 015 0 021 j 0 53 0 040 E A 1 77 BSC BSC 0 38 3 30 7 74 10 1 01 SEATING PLANE A so D 16 PL amp 0 25 0 010 S jm x e XI mjo jo jw gt D SUFFIX PLASTIC SOIC PACKAGE CASE 751B 05 ISSUE J NOTES 1 DIMENSIONING AND TOLERANCING PER ANSI Y14 5M 1982 2 CONTR2. Note 2 vcc ssv w9 f ACT Devices except Schmitt Inputs Voc 5 5V ooo J se o Junction Temperature PDIP Operating Ambient Temperature Range Output Current High Output Current Low 1 Vin from 30 to 70 Vcc see individual Data Sheets for devices that differ from the typical input rise and fall times 2 Vin from 0 8 V to 2 0 V see individual Data Sheets for devices that differ from the typical input rise and fall times DC CHARACTERISTICS Symbol Parameter Conditions Guaranteed Limits V Minimum High Level 1 5 2 1 VouT 90 1 V Input Voltage 2 25 3 15 or Voc 0 1 V 3 85 V A 1 65 V Minimum High Level 2 9 Output Voltage 4 4 5 4 i VIN VIL or VIH 2 56 12 mA 3 86 IOH 24 mA 4 86 24 mA Maximum Low Level 0 9 VouT 0 1 V Input Voltage 1 35 or Voc 0 1 V Maximum Low Level 0 1 Output Voltage 0 1 0 1 VIN VIL or VIH 0 36 12 mA 0 36 IOL 24 mA 0 36 24 mA Ho Vi Vcc GND 75 I oO Si Maximum Input 55 Leakage Current f IOLD tMinimum Dynamic Output Current IOHD s I IC Maximum Quiescent 55 Supply Current i All outputs loaded thresholds on input associated with output under test t Maximum test duration 2 0 ms one output loaded at a time Note li and Icc 3 0 V are guaranteed to be less than or equal to the respective limit 5 5 V Vcc IH IL OH OL IN C FACT DATA 5 3 MC74AC194 MC74AC
3. 0 0 MC74AC194 9 0 AA MOTOROLA 4 Bit Bidirectional Universal Shift Register The MC74AC194 74ACT194 is a high speed 4 bit bidirectional universal shift register As a high speed multifunctional sequential building block it is useful in a wide variety of applications It may be used in serial serial shift left shift right serial parallel parallel serial and parallel parallel data register transfers The AC ACT194 is similar in operation to the AS195 universal shift register with added features of shift left without external connections and hold do nothing modes of operation e Typical Shift Frequency of 150 MHz e Asynchronous Master Reset e Hold Do Nothing Mode e Fully Synchronous Serial or Parallel Data Transfers FUNCTIONAL DESCRIPTION The MC74AC 74ACT194 contains four edge triggered D flip flops and the necessary interstage logic to synchronously perform shift right shift left parallel load and hold operations Signals applied to the Select S S4 inputs determine the type of operation as shown in the Mode Select Table Signals on the Select Parallel data P9 P3 and Serial data DSR DSL inputs can change when the clock is in either state provided only that the recommended setup and hold times with respect to the clock rising edge are observed A LOW signal on Master Reset MR overrides all other inputs and forces the outputs LOW MODE SELECT TABLE Operating Mode Shift Left Shift Right Pa
4. OLLING DIMENSION MILLIMETER 3 DIMENSIONS A AND B DO NOT INCLUDE MOLD PROTRUSION 4 MAXIMUM MOLD PROTRUSION 0 15 0 006 0 25 0 010 PER SIDE DIMENSION D DOES NOT INCLUDE DAMBAR PROTRUSION ALLOWABLE DAMBAR PROTRUSION SHALL BE 0 127 0 005 TOTAL IN EXCESS OF THE D DIMENSION AT MAXIMUM MATERIAL CONDITION P 8PL MILLIMETERS INCHES MIN MAX MIN MAX 9 80 10 00 0 386 0 393 3 80 4 00 0 150 0 157 1 35 1 75 0 054 0 068 0 35 0 49 0 014 0 019 0 40 1 25 0 016 0 049 1 27 BSC 0 050 BSC 0 19 0 25 0 008 0 009 0 10 0 25 0 004 0 009 0 ri 0 72 5 80 6 20 0 229 0 244 0 25 0 50 0 010 0 019 SEATING PLANE Ji D 16PL 0 25 0 010 2 9 lt n o o o gt 8 Motorola reserves the right to make changes without further notice to any products herein Motorola makes no warranty representation or guarantee regarding the suitability of its products for any particular purpose nor does Motorola assume any liability arising out of the application or use of any product or circuit and specifically disclaims any and all liability including without limitation consequential or incidental damages Typical parameters can and do vary in different applications All operating parameters including Typicals must be validated for each customer app
5. T194 AC CHARACTERISTICS For Figures and Waveforms See Section 3 Ta 40 C to 85 C Voltage Range 3 3 V is 3 3 V 0 3 V Voltage Range 5 0 V is 5 0 V 0 5 V AC OPERATING REQUIREMENTS Vcc Parameter V Guaranteed Minimum Setup Time 4 0 5 0 3 9 Pr to Clock fe in ae sme ee Hold Time 3 5 4 0 3 5 5 6 5 iiaa aa Sh j a 3 3 5 0 3 3 5 0 3 3 5 0 Hold Time 3 3 Sn to CP 5 0 Setup Time 3 3 5 5 6 0 ns 3 9 DSR or DSL to Clock 5 0 4 0 4 5 3 3 5 0 3 3 5 0 3 3 5 0 3 5 0 3 5 4 0 DSR or DSL to Clock Voltage Range 3 3 V is 3 3 V 0 3 V Voltage Range 5 0 V is 5 0 V 0 5 V 1 5 2 0 FACT DATA 5 4 MC74AC194 MC74ACT194 DC CHARACTERISTICS 74acT R Symbol Parameter Vcc tas sae tas sae Conditions V ree to 485 C Guaranteed Limits Limits Minimum High Level VouT 0 1 V Input Voltage or Vcc 0 1 V Maximum Low Level VouT 9 1 V Input Voltage or Vcc 0 1 V Minimum High Level IOUT 50 pA Output Voltage i VIN VIL or VIH 24 mA lOH Maximum Low Level 4 5 0 001 Output Voltage 5 5 0 001 VIN VIL or VIH 24 mA 24 mA Maximum Input Leakage Current Maximum Quiescent Supply enon 1 Me e 2 Di All outputs loaded thresholds on input associated with output under test t Maximum test duration 2 0 ms one output loaded at a time AC CHARACTERISTICS For Figures and Waveforms See Section 3 o 40 C
6. lication by customer s technical experts Motorola does not convey any license under its patent rights nor the rights of others Motorola products are not designed intended or authorized for use as components in systems intended for surgical implant into the body or other applications intended to support or sustain life or for any other application in which the failure of the Motorola product could create a situation where personal injury or death may occur Should Buyer purchase or use Motorola products for any such unintended or unauthorized application Buyer shall indemnify and hold Motorola and its officers employees subsidiaries affiliates and distributors harmless against all claims costs damages and expenses and reasonable attorney fees arising out of directly or indirectly any claim of personal injury or death associated with such unintended or unauthorized use even if such claim alleges that Motorola was negligent regarding the design or manufacture of the part Motorolaand are registered trademarks of Motorola Inc Motorola Inc is an Equal Opportunity Affirmative Action Employer How to reach us USA EUROPE Motorola Literature Distribution JAPAN Nippon Motorola Ltd Tatsumi SPD JLDC Toshikatsu Otsuki P O Box 20912 Phoenix Arizona 85036 1 800 441 2447 6F Seibu Butsuryu Center 3 14 2 Tatsumi Koto Ku Tokyo 135 Japan 03 3521 8315 MFAX RMFAX0 email sps mot com TOUCHTONE 602 244 6609 HONG KONG Motor
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8. rallel Load LOW voltage level one setup time prior to the LOW to HIGH clock transition h HIGH voltage level one setup time prior to the LOW to HIGH clock transition Ph qn Lower case letters indicate the state of the referenced input or output one setup time prior to the LOW to HIGH clock transition H HIGH Voltage Level L LOW Voltage Level X Immaterial FACT DATA 5 1 MC74AC194 MC74ACT194 4 BIT BIDIRECTIONAL UNIVERSAL SHIFT REGISTER ca N SUFFIX CASE 648 08 PLASTIC D SUFFIX CASE 751B 05 PLASTIC 2345 67 Dgp Po Py P2 P3 DSL So 10 11 MR Qo Q1 Qo Q3 Q 1 15 14 13 12 MC74AC194 MC74ACT194 LOGIC DIAGRAM Po P4 P2 P3 Sia rate a0 fn Please note that this diagram is provided only for the understanding of logic operations and should not be used to estimate propagation delays MAXIMUM RATINGS E a A DC Supply Voltage Referenced to GND Vin DC Input Voltage Referenced to GND DC Output Voltage Referenced to GND Maximum Ratings are those values beyond which damage to the device may occur Functional operation should be restricted to the Recommended Operating Conditions FACT DATA 5 2 MC74AC194 MC74ACT194 RECOMMENDED OPERATING CONDITIONS Csm O om o e e e o U EET r t Yoo voes _ Input Rise and Fall Time Note 1 AC Devices except Schmitt Inputs Vcc 45V o ns 25 Voc 5 5 V Input Rise and Fall Time
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MOTOROLA 4 Bit bidirectional universal shift register MC74AC194 MC74ACT194 handbook