CD74AC20, CD54/74ACT20 Data sheet acquired from Harris Semiconductor SCHS229A Dual 4-Input NAND Gate September 1998 - Revised May 2000 Features Description • Typical Propagation Delay - 6ns at VCC = 5V, TA = 25oC, CL = 50pF The CD74AC20 and ’ACT20 are dual 4-input NAND gates that utilize Advanced CMOS Logic technology. • Exceeds 2kV ESD Protection MIL-STD-883, Method 3015 Ordering Information PART NUMBER • SCR-Latchup-Resistant CMOS Process and Circuit Design [ /Title (CD74 AC20, CD74 ACT20 ) /Subject (Dual 4-Input NAND Gate) /Autho r () /Keywords (Harris Semiconductor, Advan ced CMOS , Harris Semiconductor, Advan ced TTL) /Creator () • Speed of Bipolar FAST™/AS/S with Significantly Reduced Power Consumption • Balanced Propagation Delays • AC Types Feature 1.5V to 5.5V Operation and Balanced Noise Immunity at 30% of the Supply TEMP. RANGE (oC) CD74AC20E -55 to 125 14 Ld PDIP CD74AC20M -55 to 125 14 Ld SOIC CD54ACT20F3A -55 to 125 14 Ld CERDIP CD74ACT20E -55 to 125 14 Ld PDIP CD74ACT20M -55 to 125 14 Ld SOIC • ±24mA Output Drive Current - Fanout to 15 FAST™ ICs - Drives 50Ω Transmission Lines NOTES: Pinout Functional Diagram 1. When ordering, use the entire part number. Add the suffix 96 to obtain the variant in the tape and reel. 2. Wafer and die for this part number is available which meets all electrical specifications. Please contact your local TI sales office or customer service for ordering information. CD54ACT20 (CERDIP) CD74AC20, CD74ACT20 (PDIP, SOIC) TOP VIEW 1A 1B 1C 1D 1A 1 14 VCC 1B 2 13 2D NC 3 12 2C 1C 4 11 NC 1D 5 10 2B 1Y 6 9 2A GND 7 8 2Y 2A 2B 2C 2D 1 2 6 4 1Y 5 9 10 8 12 2Y GND = 7 VCC = 14 NC = 3, 11 13 TRUTH TABLE INPUTS OUTPUTS nA nB nC nD nY L X X X H X L X X H X X L X H X X X L H H H H H L X = Don’t Care CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures. FAST™ is a Trademark of Fairchild Semiconductor. Copyright © 2000, Texas Instruments Incorporated PACKAGE 1 CD74AC20, CD54/74ACT20 Absolute Maximum Ratings Thermal Information DC Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . -0.5V to 6V DC Input Diode Current, IIK For VI < -0.5V or VI > VCC + 0.5V . . . . . . . . . . . . . . . . . . . . . .±20mA DC Output Diode Current, IOK For VO < -0.5V or VO > VCC + 0.5V . . . . . . . . . . . . . . . . . . . .±50mA DC Output Source or Sink Current per Output Pin, IO For VO > -0.5V or VO < VCC + 0.5V . . . . . . . . . . . . . . . . . . . .±50mA DC VCC or Ground Current, ICC or IGND (Note 3) . . . . . . . . .±100mA Thermal Resistance (Typical, Note 5) θJA (oC/W) PDIP Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90 SOIC Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175 Maximum Junction Temperature (Plastic Package) . . . . . . . . . . 150oC Maximum Storage Temperature Range . . . . . . . . . .-65oC to 150oC Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . . 300oC Operating Conditions Temperature Range, TA . . . . . . . . . . . . . . . . . . . . . . -55oC to 125oC Supply Voltage Range, VCC (Note 4) AC Types. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1.5V to 5.5V ACT Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4.5V to 5.5V DC Input or Output Voltage, VI, VO . . . . . . . . . . . . . . . . . 0V to VCC Input Rise and Fall Slew Rate, dt/dv AC Types, 1.5V to 3V . . . . . . . . . . . . . . . . . . . . . . . . . 50ns (Max) AC Types, 3.6V to 5.5V . . . . . . . . . . . . . . . . . . . . . . . . 20ns (Max) ACT Types, 4.5V to 5.5V. . . . . . . . . . . . . . . . . . . . . . . 10ns (Max) CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. NOTES: 3. For up to 4 outputs per device, add ±25mA for each additional output. 4. Unless otherwise specified, all voltages are referenced to ground. 5. θJA is measured with the component mounted on an evaluation PC board in free air. DC Electrical Specifications TEST CONDITIONS PARAMETER -40oC TO 85oC 25oC -55oC TO 125oC SYMBOL VI (V) IO (mA) VCC (V) MIN MAX MIN MAX MIN MAX UNITS VIH - - 1.5 1.2 - 1.2 - 1.2 - V 3 2.1 - 2.1 - 2.1 - V AC TYPES High Level Input Voltage Low Level Input Voltage High Level Output Voltage VIL VOH - VIH or VIL - -0.05 5.5 3.85 - 3.85 - 3.85 - V 1.5 - 0.3 - 0.3 - 0.3 V 3 - 0.9 - 0.9 - 0.9 V 5.5 - 1.65 - 1.65 - 1.65 V 1.5 1.4 - 1.4 - 1.4 - V -0.05 3 2.9 - 2.9 - 2.9 - V -0.05 4.5 4.4 - 4.4 - 4.4 - V -4 3 2.58 - 2.48 - 2.4 - V -24 4.5 3.94 - 3.8 - 3.7 - V -75 (Note 6, 7) 5.5 - - 3.85 - - - V -50 (Note 6, 7) 5.5 - - - - 3.85 - V 2 CD74AC20, CD54/74ACT20 DC Electrical Specifications (Continued) TEST CONDITIONS PARAMETER Low Level Output Voltage -40oC TO 85oC 25oC -55oC TO 125oC SYMBOL VI (V) IO (mA) VCC (V) MIN MAX MIN MAX MIN MAX UNITS VOL VIH or VIL 0.05 1.5 - 0.1 - 0.1 - 0.1 V 0.05 3 - 0.1 - 0.1 - 0.1 V 0.05 4.5 - 0.1 - 0.1 - 0.1 V 12 3 - 0.36 - 0.44 - 0.5 V 24 4.5 - 0.36 - 0.44 - 0.5 V 75 (Note 6, 7) 5.5 - - - 1.65 - - V 50 (Note 6, 7) 5.5 - - - - - 1.65 V II VCC or GND - 5.5 - ±0.1 - ±1 - ±1 µA ICC VCC or GND 0 5.5 - 4 - 40 - 80 µA High Level Input Voltage VIH - - 4.5 to 5.5 2 - 2 - 2 - V Low Level Input Voltage VIL - - 4.5 to 5.5 - 0.8 - 0.8 - 0.8 V High Level Output Voltage VOH VIH or VIL -0.05 4.5 4.4 - 4.4 - 4.4 - V -24 4.5 3.94 - 3.8 - 3.7 - V -75 (Note 6, 7) 5.5 - - 3.85 - - - V -50 (Note 6, 7) 5.5 - - - - 3.85 - V 0.05 4.5 - 0.1 - 0.1 - 0.1 V 24 4.5 - 0.36 - 0.44 - 0.5 V 75 (Note 6, 7) 5.5 - - - 1.65 - - V 50 (Note 6, 7) 5.5 - - - - - 1.65 V Input Leakage Current Quiescent Supply Current SSI ACT TYPES Low Level Output Voltage Input Leakage Current Quiescent Supply Current SSI Additional Supply Current per Input Pin TTL Inputs High 1 Unit Load VOL VIH or VIL II VCC or GND - 5.5 - ±0.1 - ±1 - ±1 µA ICC VCC or GND 0 5.5 - 4 - 40 - 80 µA ∆ICC VCC -2.1 - 4.5 to 5.5 - 2.4 - 2.8 - 3 mA NOTES: 6. Test one output at a time for a 1-second maximum duration. Measurement is made by forcing current and measuring voltage to minimize power dissipation. 7. Test verifies a minimum 50Ω transmission-line-drive capability at 85oC, 75Ω at 125oC. ACT Input Load Table INPUT UNIT LOAD All 0.27 NOTE: Unit load is ∆ICC limit specified in DC Electrical Specifications Table, e.g., 2.4mA max at 25oC. 3 CD74AC20, CD54/74ACT20 Switching Specifications Input tr, tf = 3ns, CL = 50pF (Worst Case) -40oC TO 85oC PARAMETER -55oC TO 125oC SYMBOL VCC (V) MIN TYP MAX MIN TYP MAX UNITS tPLH, tPHL 1.5 - - 139 - - 153 ns 3.3 (Note 9) 4.4 - 15.5 4.3 - 17.1 ns 5 (Note 10) 3.1 - 11.1 3.1 - 12.2 ns CI - - - 10 - - 10 pF CPD (Note 11) - - 48 - - 48 - pF tPHL tPLH 5 (Note 10) 3.5 - 12.3 3.4 - 13.5 ns CI - - - 10 - - 10 pF CPD (Note 11) - - 48 - - 48 - pF AC TYPES Propagation Delay, Input to Output Input Capacitance Power Dissipation Capacitance ACT TYPES Propagation Delay, Input to Output Input Capacitance Power Dissipation Capacitance NOTES: 8. Limits tested at 100%. 9. 3.3V Min at 3.6V, Max at 3V. 10. 5V Min at 5.5V, Max at 4.5V. 11. CPD is used to determine the dynamic power consumption per gate. AC: PD = VCC2 fi (CPD + CL) ACT: PD = VCC2 fi (CPD + CL) + VCC ∆ICC where fi = input frequency, CL = output load capacitance, VCC = supply voltage. tr = 3ns INPUT LEVEL VI GND OUTPUT RL (NOTE) 500Ω DUT OUTPUT LOAD 90% VS 10% GND VO CL 50pF VS NOTE: For AC Series Only: When VCC = 1.5V, RL = 1kΩ. tPHL AC ACT VCC 3V Input Switching Voltage, VS 0.5 VCC 1.5V Output Switching Voltage, VS 0.5 VCC 0.5 VCC Input Level tf = 3ns tPLH FIGURE 2. FIGURE 1. PROPAGATION DELAY TIMES 4 IMPORTANT NOTICE Texas Instruments and its subsidiaries (TI) reserve the right to make changes to their products or to discontinue any product or service without notice, and advise customers to obtain the latest version of relevant information to verify, before placing orders, that information being relied on is current and complete. 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