MM54HC253/MM74HC253 Dual 4-Channel TRI-STATEÉ Multiplexer General Description The MM54HC253/MM74HC253 utilizes advanced silicongate CMOS technology to achieve the low power consumption and high noise immunity of standard CMOS integrated circuits, along with the capability to drive 10 LS-TTL loads. The large output drive and TRI-STATE features of this device make it ideally suited for interfacing with bus lines in bus organized systems. When the output control input is taken high, the multiplexer outputs are sent into a high impedance state. When the output control is held low, the associated multiplexer chooses the correct output channel for the given input signals determined by the select A and B inputs. The 54HC/74HC logic family is functionally and pinout compatible with the standard 54LS/74LS logic family. All inputs are protected from damage due to static discharge by internal diode clamps to VCC and ground. Features Y Y Y Y Y Typical propagation delay: 24 ns Wide power supply range: 2V – 6V Low quiescent current: 80 mA maximum (74HC Series) Low input current: 1 mA maximum Fanout of 10 LS-TTL loads Connection Diagram Dual-In-Line Package TL/F/5108 – 1 Order Number MM54HC253 or MM74HC253 Truth Table Select Inputs Data Inputs Output Control Output B A C0 C1 C2 C3 G Y X L L L L H H H H X L L H H L L H H X L H X X X X X X X X X L H X X X X X X X X X L H X X X X X X X X X L H H L L L L L L L L Z L H L H L H L H Select inputs A and B are common to both sections. H e high level, L e low level, X e irrelevant, Z e high impedance (off). TRI-STATEÉ is a registered trademark of National Semiconductor Corp. C1995 National Semiconductor Corporation TL/F/5108 RRD-B30M105/Printed in U. S. A. MM54HC253/MM74HC253 Dual 4-Channel TRI-STATE Multiplexer January 1988 Absolute Maximum Ratings (Notes 1 & 2) Operating Conditions If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/Distributors for availability and specifications. Supply Voltage (VCC) Supply Voltage (VCC) DC Input Voltage (VIN) DC Output Voltage (VOUT) Clamp Diode Current (IIK, IOK) DC Output Current, per pin (IOUT) DC VCC or GND Current, per pin (ICC) Storage Temperature Range (TSTG) Power Dissipation (PD) (Note 3) S.O. Package only Lead Temperature (TL) (Soldering 10 seconds) DC Input or Output Voltage (VIN, VOUT) b 0.5 to a 7.0V b 1.5 to VCC a 1.5V Operating Temp. Range (TA) MM74HC MM54HC b 0.5 to VCC a 0.5V g 20 mA g 25 mA Min 2 Max 6 Units V 0 VCC V b 40 b 55 a 85 a 125 §C §C 1000 500 400 ns ns ns Input Rise or Fall Times (tr, tf) VCC e 2.0V VCC e 4.5V VCC e 6.0V g 50 mA b 65§ C to a 150§ C 600 mW 500 mW 260§ C DC Electrical Characteristics (Note 4) Symbol Parameter Conditions TA e 25§ C VCC 74HC TA eb40 to 85§ C Typ 54HC TA eb55 to 125§ C Units Guaranteed Limits VIH Minimum High Level Input Voltage 2.0V 4.5V 6.0V 1.5 3.15 4.2 1.5 3.15 4.2 1.5 3.15 4.2 V V V VIL Maximum Low Level Input Voltage** 2.0V 4.5V 6.0V 0.5 1.35 1.8 0.5 1.35 1.8 0.5 1.35 1.8 V V V VOH Minimum High Level Output Voltage VIN e VIH or VIL lIOUTl s20 mA 2.0V 4.5V 6.0V 2.0 4.5 6.0 1.9 4.4 5.9 1.9 4.4 5.9 1.9 4.4 5.9 V V V 4.5V 6.0V 4.2 5.7 3.98 5.48 3.84 5.34 3.7 5.2 V V 2.0V 4.5V 6.0V 0 0 0 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 V V V VIN e VIH or VIL lIOUTl s4.0 mA lIOUTl s5.2 mA 4.5V 6.0V 0.2 0.2 0.26 0.26 0.33 0.33 0.4 0.4 V V VIN e VIH or VIL lIOUTl s4.0 mA lIOUTl s5.2 mA VOL Maximum Low Level Output Voltage VIN e VIH or VIL lIOUTl s20 mA IIN Maximum Input Current VIN e VCC or GND 6.0V g 0.1 g 1.0 g 1.0 mA IOZ Maximum TRI-STATE Output Leakage Current Strobe e VCC VOUT e VCC or GND 6.0V g 0.5 g 5.0 g 10 mA ICC Maximum Quiescent Supply Current VIN e VCC or GND IOUT e 0 mA 6.0V 8.0 80 160 mA Note 1: Absolute Maximum Ratings are those values beyond which damage to the device may occur. Note 2: Unless otherwise specified all voltages are referenced to ground. Note 3: Power Dissipation temperature derating Ð plastic ‘‘N’’ package: b 12 mW/§ C from 65§ C to 85§ C; ceramic ‘‘J’’ package: b 12 mW/§ C from 100§ C to 125§ C. Note 4: For a power supply of 5V g 10% the worst case output voltages (VOH, and VOL) occur for HC at 4.5V. Thus the 4.5V values should be used when designing with this supply. Worst case VIH and VIL occur at VCC e 5.5V and 4.5V respectively. (The VIH value at 5.5V is 3.85V.) The worst case leakage current (IIN, ICC, and IOZ) occur for CMOS at the higher voltage and so the 6.0V values should be used. ** VIL limits are currently tested at 20% of VCC. The above VIL specification (30% of VCC) will be implemented no later than Q1, CY’89. 2 AC Electrical Characteristics VCC e 5V, TA e 25§ C, tr e tf e 6 ns, CL e 15 pF Typ Guaranteed Limit Units tPHL, tPLH Symbol Maximum Propagation Delay, Select A or B to Y Parameter Conditions 24 30 ns tPHL, tPLH Maximum Propagation Delay, any Data to Y 18 23 ns tPZH, tPZL Maximum Output Enable Time Y Output to a Logic Level RL e 1 kX 13 18 ns tPHZ, tPLZ Maximum Output Disable Time Y Output to High Impedance State RL e 1 kX 18 27 ns AC Electrical Characteristics CL e 50 pF, tr e tf e 6 ns (unless otherwise specified) Symbol Parameter Conditions VCC TA e 25§ C Typ 74HC 54HC TA eb40 to 85§ C TA eb55 to 125§ C Units Guaranteed Limits tPHL, tPLH Maximum Propagation Delay, Select A or B to Y 2.0V 4.5V 6.0V 131 29 24 158 35 30 198 44 38 237 53 45 ns ns ns tPHL, tPLH Maximum Propagation Delay, any Data to Y 2.0V 4.5V 6.0V 99 22 19 126 28 23 158 35 29 189 42 35 ns ns ns RL e 1 kX 2.0V 4.5V 6.0V 63 14 12 90 20 17 113 25 21 135 30 26 ns ns ns tPHZ, tPLZ Maximum Output Disable Time RL e 1 kX 2.0V 4.5V 6.0V 90 20 17 135 30 25 169 38 31 203 45 38 ns ns ns tTHL, tTLH Maximum Output Rise and Fall Time 2.0V 4.5V 6.0V 30 8 7 75 15 13 95 19 16 110 22 19 ns ns ns 5 10 10 10 pF tPZH, tPZL Maximum Output Enable Time CIN Maximum Input Capacitance CPD Power Dissipation Capacitance (Note 5) (per package) Outputs Enabled Outputs Disabled 90 25 pF pF Note 5: CPD determines the no load dynamic power consumption, PD e CPD VCC2 f a ICC VCC, and the no load dynamic current consumption, IS e CPD VCC f a ICC. Logic Diagram TL/F/5108 – 2 3 MM54HC253/MM74HC253 Dual 4-Channel TRI-STATE Multiplexer Physical Dimensions inches (millimeters) Order Number MM54HC253J or MM74HC253J, N NS Package J16A Order Number MM54HC253J or MM74HC253J, N NS Package N16E LIFE SUPPORT POLICY NATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF NATIONAL SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, and whose failure to perform, when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury to the user. National Semiconductor Corporation 1111 West Bardin Road Arlington, TX 76017 Tel: 1(800) 272-9959 Fax: 1(800) 737-7018 2. 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