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This literature is subject to all applicable copyright laws and is not for resale in any manner. 74LCX74 Low Voltage Dual D-Type Positive Edge-Triggered Flip-Flop with 5V Tolerant Inputs Features General Description 5V tolerant inputs Latch-up performance exceeds JEDEC 78 conditions The LCX74 is a dual D-type flip-flop with Asynchronous Clear and Set inputs and complementary (Q, Q) outputs. Information at the input is transferred to the outputs on the positive edge of the clock pulse. After the Clock Pulse input threshold voltage has been passed, the Data input is locked out and information present will not be transferred to the outputs until the next rising edge of the Clock Pulse input. ESD performance: Asynchronous Inputs: 2.3V-3.6V VCC specifications provided 7.0ns tPD max. (VCC = 3.3V), 10A ICC max. Power down high impedance inputs and outputs 24mA output drive (VCC = 3.0V) Implements proprietary noise/EMI reduction circuitry - Human body model > 2000V - Machine model > 200V Leadless Pb-Free DQFN package LOW input to SD (Set) sets Q to HIGH level LOW input to CD (Clear) sets Q to LOW level Clear and Set are independent of clock Simultaneous LOW on CD and SD makes both Q and Q HIGH Ordering Information Order Number Package Number Package Description 74LCX74M M14A 14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150" Narrow 74LCX74SJ M14D 14-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide 74LCX74BQX(1) MLP14A 14-Terminal Depopulated Quad Very-Thin Flat Pack No Leads (DQFN), JEDEC MO-241, 2.5 x 3.0mm 74LCX74MTC MTC14 14-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide Note: 1. DQFN package available in Tape and Reel only. Device also available in Tape and Reel. Specify by appending suffix letter "X" to the ordering number. All packages are lead free per JEDEC: J-STD-020B standard. (c)1995 Fairchild Semiconductor Corporation 74LCX74 Rev. 1.7.1 www.fairchildsemi.com 74LCX74 -- Low Voltage Dual D-Type Positive Edge-Triggered Flip-Flop with 5V Tolerant Inputs December 2013 Pin Assignments for SOIC, SOP, and TSSOP IEEE/IEC Pad Assignment for DQFN Truth Table (Each Half) (Bottom View) (Top View) Inputs Pin Description Pin Names Description Outputs SD CD CP D Q Q L H X X H L H L X X L H X X H H L L D1, D2 Data Inputs H H H H L CP1, CP2 Clock Pulse Inputs H H L L H CD1, CD2 Direct Clear Inputs H H X Q0 Q0 SD1, SD2 Direct Set Inputs H = HIGH Voltage Level Q1, Q1, Q2, Q2 Outputs L = LOW Voltage Level DAP No Connect X = Immaterial L = LOW-to-HIGH Clock Transition Note: DAP (Die Attach Pad) Q0(Q0) = Previous Q(Q) before LOW-to-HIGH Transition of Clock (c)1995 Fairchild Semiconductor Corporation 74LCX74 Rev. 1.7.1 www.fairchildsemi.com 2 74LCX74 -- Low Voltage Dual D-Type Positive Edge-Triggered Flip-Flop with 5V Tolerant Inputs Logic Symbols Connection Diagrams Stresses exceeding the absolute maximum ratings may damage the device. The device may not function or be operable above the recommended operating conditions and stressing the parts to these levels is not recommended. In addition, extended exposure to stresses above the recommended operating conditions may affect device reliability. The absolute maximum ratings are stress ratings only. Symbol VCC VI Parameter Rating Supply Voltage -0.5V to +7.0V DC Input Voltage -0.5V to +7.0V VO DC Output Voltage, Output in HIGH or LOW IIK DC Input Diode Current, VI < GND IOK DC Output Diode Current State(2) -0.5V to VCC + 0.5V -50mA VO < GND -50mA VO > VCC +50mA IO DC Output Source/Sink Current ICC DC Supply Current per Supply Pin IGND DC Ground Current per Ground Pin TSTG Storage Temperature 50mA 100mA 100mA -65C to +150C Note: 2. IO Absolute Maximum Rating must be observed. Recommended Operating Conditions(3) The Recommended Operating Conditions table defines the conditions for actual device operation. Recommended operating conditions are specified to ensure optimal performance to the datasheet specifications. Fairchild does not recommend exceeding them or designing to absolute maximum ratings. Symbol VCC Parameter Min. Max. Units Operating 2.0 3.6 V Data Retention 1.5 3.6 Supply Voltage VI Input Voltage 0 5.5 V VO Output Voltage, HIGH or LOW State 0 VCC V VCC = 3.0V-3.6V 24 mA VCC = 2.7V-3.0V 12 VCC = 2.3V-2.7V 8 IOH / IOL TA t / V Output Current Free-Air Operating Temperature Input Edge Rate, VIN = 0.8V-2.0V, VCC = 3.0V -40 85 C 0 10 ns / V Note: 3. Unused inputs must be held HIGH or LOW. They may not float. (c)1995 Fairchild Semiconductor Corporation 74LCX74 Rev. 1.7.1 www.fairchildsemi.com 3 74LCX74 -- Low Voltage Dual D-Type Positive Edge-Triggered Flip-Flop with 5V Tolerant Inputs Absolute Maximum Ratings TA = -40C to +85C Symbol VIH VIL VOH VOL Parameter HIGH Level Input Voltage LOW Level Input Voltage HIGH Level Output Voltage LOW Level Output Voltage Input Leakage Current II VCC (V) Min. 2.3-2.7 1.7 2.7-3.6 2.0 Max. 2.3-2.7 0.7 0.8 IOH = -100A 2.3-3.6 V VCC - 0.2 2.3 IOH = -8mA 1.8 2.7 IOH = -12mA 2.2 3.0 IOH = -18mA 2.4 IOH = -24mA 2.2 V IOL = 100A 0.2 2.3 IOL = 8mA 0.6 2.7 IOL = 12mA 0.4 3.0 IOL = 16mA 0.4 IOL = 24mA 0.55 0 VI 5.5V 2.3-3.6 2.3-3.6 Power-Off Leakage Current 0 ICC Quiescent Supply Current 2.3-3.6 Increase in ICC per Input 2.3-3.6 Units V 2.7-3.6 IOFF ICC Conditions V 5.0 A VI or VO = 5.5V 10 A VI = VCC or GND 10 A 3.6V VI 5.5V 10 VIH = VCC - 0.6V 500 A AC Electrical Characteristics TA = -40C to +85C, RL = 500 VCC = 3.3V 0.3V, CL = 50pF VCC = 2.7V, CL = 50pF VCC = 2.5V 0.2V, CL = 30pF Units Symbol Parameter Min. fMAX Maximum Clock Frequency 150 tPHL, tPLH Propagation Delay, CPn to Qn or Qn 1.5 7.0 1.5 8.0 1.5 8.4 ns tPHL, tPLH Propagation Delay, CDn or SDn to Qn or Qn 1.5 7.0 1.5 8.0 1.5 8.4 ns tS Setup Time 2.5 2.5 4.0 ns tH Hold Time 1.5 1.5 2.0 ns tW Pulse Width CP 3.3 3.3 4.0 ns tW Pulse Width and CD, SD 3.3 3.6 4.0 ns Recovery Time 2.5 3.0 4.5 ns tREC tOSHL, tOSLH Output to Output Max. Min. Max. 150 Skew(4) 1.0 Min. Max. 150 MHz ns Note: 4. Skew is defined as the absolute value of the difference between the actual propagation delay for any two separate outputs of the same device. The specification applies to any outputs switching in the same direction, either HIGH-to-LOW (tOSHL) or LOW-to-HIGH (tOSLH). (c)1995 Fairchild Semiconductor Corporation 74LCX74 Rev. 1.7.1 www.fairchildsemi.com 4 74LCX74 -- Low Voltage Dual D-Type Positive Edge-Triggered Flip-Flop with 5V Tolerant Inputs DC Electrical Characteristics TA = 25C Symbol Parameter VCC (V) VOLP Quiet Output Dynamic Peak VOL 3.3 VOLV Quiet Output Dynamic Valley VOL Conditions Typical Unit CL = 50pF, VIH = 3.3V, VIL = 0V 0.8 V 2.5 CL = 30pF, VIH = 2.5V, VIL = 0V 0.6 3.3 CL = 50pF, VIH = 3.3V, VIL = 0V -0.8 2.5 CL = 30pF, VIH = 2.5V, VIL = 0V -0.6 V Capacitance Symbol Typical Units Input Capacitance VCC = Open, VI = 0V or VCC 7 pF COUT Output Capacitance VCC = 3.3V, VI = 0V or VCC 8 pF CPD Power Dissipation Capacitance VCC = 3.3V, VI = 0V or VCC, f = 10MHz 25 pF CIN Parameter (c)1995 Fairchild Semiconductor Corporation 74LCX74 Rev. 1.7.1 Conditions www.fairchildsemi.com 5 74LCX74 -- Low Voltage Dual D-Type Positive Edge-Triggered Flip-Flop with 5V Tolerant Inputs Dynamic Switching Characteristics Test Switch tPLH, tPHL Open tPZL, tPLZ 6V at VCC = 3.3 0.3V VCC x 2 at VCC = 2.5 0.2V tPZH, tPHZ GND Figure 1. AC Test Circuit (CL includes probe and jig capacitance) Waveform for Inverting and Non-Inverting Functions 3-STATE Output Low Enable and Disable Times for Logic Propagation Delay. Pulse Width and trec Waveforms Setup Time, Hold Time and Recovery Time for Logic 3-STATE Output High Enable and Disable Times for Logic trise and tfall VCC Symbol 3.3V 0.3V 2.7V 2.5V 0.2V Vmi 1.5V 1.5V VCC / 2 Vmo 1.5V 1.5V VCC / 2 Vx VOL + 0.3V VOL + 0.3V VOL + 0.15V Vy VOH - 0.3V VOH - 0.3V VOH - 0.15V Figure 2. Waveforms (Input Characteristics; f = 1MHz, tr = tf = 3ns) (c)1995 Fairchild Semiconductor Corporation 74LCX74 Rev. 1.7.1 www.fairchildsemi.com 6 74LCX74 -- Low Voltage Dual D-Type Positive Edge-Triggered Flip-Flop with 5V Tolerant Inputs AC Loading and Waveforms (Generic for LCX Family) 74LCX74 -- Low Voltage Dual D-Type Positive Edge-Triggered Flip-Flop with 5V Tolerant Inputs Schematic Diagram (Generic for LCX Family) (c)1995 Fairchild Semiconductor Corporation 74LCX74 Rev. 1.7.1 www.fairchildsemi.com 7 Tape Format for DQFN Package Designator Tape Section Number of Cavities Cavity Status Cover Tape Status BQX Leader (Start End) 125 (Typ.) Empty Sealed Carrier 3000 Filled Sealed Trailer (Hub End) 75 (Typ.) Empty Sealed Tape Dimensions inches (millimeters) Reel Dimensions inches (millimeters) Tape Size A B C D N W1 W2 12mm 13.0 (330.0) 0.059 (1.50) 0.512 (13.00) 0.795 (20.20) 2.165 (55.00) 0.488 (12.4) 0.724 (18.4) (c)1995 Fairchild Semiconductor Corporation 74LCX74 Rev. 1.7.1 www.fairchildsemi.com 8 74LCX74 -- Low Voltage Dual D-Type Positive Edge-Triggered Flip-Flop with 5V Tolerant Inputs Tape and Reel Specification 0.65 A 0.43TYP 14 8 B 6.4 6.10 3.2 1 PIN#1 IDENT 0.2 C B A 7 TOP VIEW 1.65 ALL LEAD TIPS 0.45 RECOMMENDED LAND PATTERN 1.2 MAX 0.30 0.19 ALL LEAD TIPS 0.1 C 0.65 SEE DETAIL A 0.90+0.15 -0.10 0.13 A B 0.20 0.09 C C FRONT VIEW 0.09 MIN NOTES: A. CONFORMS TO JEDEC REGISTRATION MO-153, VARIATION AB, REF NOTE 6 B. DIMENSIONS ARE IN MILLIMETERS. C. DIMENSIONS ARE EXCLUSIVE OF BURRS, MOLD FLASH, AND TIE BAR EXTRUSIONS D. DIMENSIONING AND TOLERANCES PER ANSI Y14.5M, 2009. E. LANDPATTERN STANDARD: SOP65P640X110-14M. F. DRAWING FILE NAME: MKT-MTC14rev7. GAGE PLANE 0.09 MIN 1.00 0.25 SEATING PLANE DETAIL A 8.75 8.50 A 7.62 14 8 14 B 0.65 8 4.00 3.80 6.00 1 PIN #1 IDENT. 1.27 (0.33) TOP VIEW 5.60 7 0.51 0.35 0.25 M C B A 1.75 MAX 1.70 1 1.27 LAND PATTERN RECOMMENDATION A C 1.50 1.25 FRONT VIEW 0.25 0.10 0.50 0.25 x 45 R0.10 GAGE PLANE R0.10 0.36 8 0 0.90 0.50 (1.04) 0.10 C 0.25 0.19 SIDE VIEW NOTES: A. CONFORMS TO JEDEC MS-012, VARIATION AB, ISSUE C B. ALL DIMENSIONS ARE IN MILLIMETERS C. DIMENSIONS DO NOT INCLUDE MOLD FLASH OR BURRS D. LAND PATTERN STANDARD: SOIC127P600X145-14M E. CONFORMS TO ASME Y14.5M, 2009 D. DRAWING FILENAME: MKT-M14Arev14 SEATING PLANE DETAIL A SCALE 16 : 1 7 0.05 C 4.00 MAX 2.20 MAX 1.40 MAX B 3.00 A 2X 1.00 MAX 2.50 1.70 MAX 0.50 TYP 3.50 MAX 0.05 C PIN #1 QUADRANT TOP VIEW (0.90) 2X 0.50 TYP 0.24 TYP RECOMMENDED LAND PATTERN 0.10 C 0.08 C SEATING PLANE C SIDE VIEW A. CONFORMS TO JEDEC REGISTRATION MO-241, VARIATION AA B. DIMENSIONS ARE IN MILLIMETERS. (14X) PIN #1 IDENT C. DIMENSIONS AND TOLERANCES PER ASME Y14.5M, 2009. D. LAND PATTERN RECOMMENDATION IS EXISTING INDUSTRY LAND PATTERN. E. DRAWING FILENAME: MKT-MLP14Arev2. 0.50 0.50 (14X) 2.00 BOTTOM VIEW 0.10 0.05 C A B C ON Semiconductor and are trademarks of Semiconductor Components Industries, LLC dba ON Semiconductor or its subsidiaries in the United States and/or other countries. ON Semiconductor owns the rights to a number of patents, trademarks, copyrights, trade secrets, and other intellectual property. A listing of ON Semiconductor's product/patent coverage may be accessed at www.onsemi.com/site/pdf/Patent-Marking.pdf. ON Semiconductor reserves the right to make changes without further notice to any products herein. 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