CD74AC253, CD54/74ACT253 Data sheet acquired from Harris Semiconductor SCHS247A Dual 4-Input Multiplexer, Three-State August 1998 - Revised May 2000 Features Description • Buffered Inputs The CD74AC253 and ’ACT253 dual 4-input multiplexers that utilize Advanced CMOS Logic technology. One of the four sources for each section is selected by the common Select inputs, S0 and S1. When the Output Enable (1OE or 2OE) is HIGH, the output is in the high-impedance state. • Typical Propagation Delay - 6.3ns at VCC = 5V, TA = 25oC, CL = 50pF • Exceeds 2kV ESD Protection MIL-STD-883, Method 3015 Ordering Information • SCR-Latchup-Resistant CMOS Process and Circuit Design PART NUMBER • Speed of Bipolar FAST™/AS/S with Significantly Reduced Power Consumption CD74AC253E TEMP. RANGE (oC) 0 to 70oC, -40 to 85, PACKAGE 16 Ld PDIP -55 to 125 • Balanced Propagation Delays CD74AC253M • AC Types Feature 1.5V to 5.5V Operation and Balanced Noise Immunity at 30% of the Supply 0 to 70oC, -40 to 85, -55 to 125 CD54ACT253F3A • ±24mA Output Drive Current - Fanout to 15 FAST™ ICs - Drives 50Ω Transmission Lines -55 to 125 16 Ld SOIC 16 Ld CERDIP CD74ACT253E 0 to 70oC, -40 to 85, -55 to 125 16 Ld PDIP CD74ACT253M 0 to 70oC, -40 to 85, -55 to 125 16 Ld SOIC NOTES: 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. Pinout CD54ACT253 (CERDIP) CD74AC253, CD74ACT253 (PDIP, SOIC) TOP VIEW 1OE 1 16 VCC S1 2 15 2OE 1I3 3 14 S0 1I2 4 13 2I3 1I1 5 12 2I2 1I0 6 11 2I1 1Y 7 10 2I0 GND 8 9 2Y 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. 1 CD74AC253, CD54/74ACT253 Functional Diagram 1 1OE 6 1I0 5 1I1 7 1Y SEL/MUX 4 1I2 3 1I3 S0 S1 2I0 2I1 2I2 2I3 2OE 14 2 10 11 9 2Y SEL/MUX 12 13 GND = 8 VCC = 16 15 TRUTH TABLE SELECT INPUTS DATA INPUTS ENABLE INPUTS OUTPUT S1 S0 nI0 nI1 nI2 nI3 nOE nY X X X X X X H Z L L L X X X L L L L H X X X L H L H X L X X L L L H X H X X L H H L X X L X L L H L X X H X L H H H X X X L L L H H X X X H L H Select inputs S1 and S0 are common to both sections. H = High level, L = Low inputs, X = Don’t care, Z = High impedance. 2 CD74AC253, CD54/74ACT253 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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ___ SOIC Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ___ Maximum Junction Temperature (Plastic Package) . . . . . . . . . . . 150C 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 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 AC TYPES High Level Input Voltage Low Level Input Voltage High Level Output Voltage VIL VOH - VIH or VIL - -0.05 -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 3 CD74AC253, CD54/74ACT253 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 Input Leakage Current II VCC or GND - 5.5 - ±0.1 - ±1 - ±1 µA Three-State Leakage Current IOZ VIH or VIL VO = VCC or GND - 5.5 - ±0.5 - ±5 - ±10 µA Quiescent Supply Current MSI ICC VCC or GND 0 5.5 - 8 - 80 - 160 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 ACT TYPES Low Level Output Voltage VOL VIH or VIL II VCC or GND - 5.5 - ±0.1 - ±1 - ±1 µA Three-State or Leakage Current IOZ VIH or VIL VO = VCC or GND - 5.5 - ±0.5 - ±5 - ±10 µA Quiescent Supply Current MSI ICC VCC or GND 0 5.5 - 8 - 80 - 160 µA ∆ICC VCC -2.1 - 4.5 to 5.5 - 2.4 - 2.8 - 3 mA Input Leakage Current Additional Supply Current per Input Pin TTL Inputs High 1 Unit Load 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. 4 CD74AC253, CD54/74ACT253 ACT Input Load Table INPUT UNIT LOAD S0, S1, nI0, nI1 1 nOE 0.83 NOTE: Unit load is ∆ICC limit specified in DC Electrical Specifications Table, e.g., 2.4mA max at 25oC. 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 - - 227 - - 250 ns 3.3 (Note 9) 7.2 - 25 7 - 28 ns 5 (Note 10) 5.2 - 18.2 5 - 20 ns 1.5 - - 151 - - 166 ns 3.3 4.8 - 16.9 4.7 - 18.6 ns 5 3.4 - 12.1 3.3 - 13.3 ns 1.5 - - 131 - - 144 ns 3.3 4.5 - 15.7 4.3 - 17.3 ns 5 3 - 10.5 2.9 - 11.5 ns AC TYPES Propagation Delay, S0, S1, to Y Propagation Delay, nI to Y Propagation Delay, Output Enable, Output Disable to Y tPLH, tPHL tPLZ, tPHZ, tPZL, tPZH Three-State Output Capacitance CO - - - 15 - - 15 pF Input Capacitance CI - - - 10 - - 10 pF CPD (Note 11) - - 107 - - 107 - pF Propagation Delay, S0, S1, to Y tPLH, tPHL 5 (Note 10) 5.7 - 20 5.5 - 22 ns Propagation Delay, nI to Y tPLH, tPHL 5 4.6 - 16.4 4.5 - 18 ns Propagation Delay, Output Enable, Output Disable to Y tPLZ, tPHZ, tPZL, tPZH 5 3.2 - 11.5 3.2 - 12.6 ns Three-State Output Capacitance CO - - - 15 - - 15 pF Input Capacitance CI - - - 10 - - 10 pF CPD (Note 11) - - 107 - - 107 - pF Power Dissipation Capacitance ACT TYPES Power Dissipation Capacitance NOTES: 8. Limits tested 100%. 9. 3.3V Min is at 3.6V, Max is at 3V. 10. 5V Min is at 5.5V, Max is at 4.5V. 11. CPD is used to determine the dynamic power consumption per multiplexer. 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. 5 CD74AC253, CD54/74ACT253 tr = 3ns tf = 3ns INPUT LEVEL 90% OUTPUT DISABLE VS 10% GND tPZL tPLZ VS 0.2VCC OUTPUT: LOW TO OFF TO LOW tPHZ tPZH VOH (≠ VCC) 0.8 VCC VS OUTPUT: HIGH TO OFF TO HIGH OUTPUTS ENABLED OTHER INPUTS (TIED HIGH OR LOW) OUTPUTS DISABLED OUTPUT DISABLE OUTPUTS ENABLED GND (tPHZ, tPZH) OPEN (tPHL, tPLH) 2 VCC (tPLZ, tPZL) (OPEN DRAIN) 500Ω† RL DUT WITH THREESTATE OUTPUT VOL (≠ GND) OUT 500Ω† RL CL 50pF †FOR AC SERIES ONLY: WHEN VCC = 1.5V, RL = 1kΩ FIGURE 1. THREE-STATE PROPAGATION DELAY WAVEFORMS AND TEST CIRCUIT tr = 3ns tf = 3ns INPUT LEVEL 90% VS 10% I OR S VS OUTPUT Y tPLH tPHL FIGURE 2. PROPAGATION DELAY TIMES OUTPUT RL (NOTE) 500Ω DUT OUTPUT LOAD CL 50pF NOTE: For AC Series Only: When VCC = 1.5V, RL = 1kΩ. 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 FIGURE 3. PROPAGATION DELAY TIMES 6 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. All products are sold subject to the terms and conditions of sale supplied at the time of order acknowledgment, including those pertaining to warranty, patent infringement, and limitation of liability. TI warrants performance of its semiconductor products to the specifications applicable at the time of sale in accordance with TI’s standard warranty. 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