54F/74F253 Dual 4-Input Multiplexer with TRI-STATEÉ Outputs General Description Features The ’F253 is a dual 4-input multiplexer with TRI-STATEÉ outputs. It can select two bits of data from four sources using common select inputs. The output may be individually switched to a high impedance state with a HIGH on the respective Output Enable (OE) inputs, allowing the outputs to interface directly with bus oriented systems. Y Commercial Y Y Multifunction capability Non-inverting TRI-STATE outputs Guaranteed 4000V minimum ESD protection Package Number Military Package Description N16E 16-Lead (0.300× Wide) Molded Dual-In-Line J16A 16-Lead Ceramic Dual-In-Line 74F253SC (Note 1) M16A 16-Lead (0.150× Wide) Molded Small Outline, JEDEC 74F253SJ (Note 1) M16D 16-Lead (0.300× Wide) Molded Small Outline, EIAJ 54F253FM (Note 2) W16A 16-Lead Cerpack 54F253LL (Note 2) E20A 20-Lead Ceramic Leadless Chip Carrier, Type C 74F253PC 54F253DM (Note 2) Note 1: Devices also available in 13× reel. Use suffix e SCX and SJX. Note 2: Military grade device with environmental and burn-in processing. Use suffix e DMQB, FMQB and LMQB. Logic Symbols Connection Diagrams Pin Assignment for DIP, SOIC and Flatpak Pin Assignment for LCC TL/F/9505–3 IEEE/IEC TL/F/9505 – 1 TL/F/9505 – 2 TL/F/9505–5 TRI-STATEÉ is a registered trademark of National Semiconductor Corporation. C1995 National Semiconductor Corporation TL/F/9505 RRD-B30M75/Printed in U. S. A. 54F/74F253 Dual 4-Input Multiplexer with TRI-STATE Outputs November 1994 Unit Loading/Fan Out 54F/74F Pin Names I0a – I3a I0b – I3b S 0 – S1 OEa OEb Za, Zb Description U.L. HIGH/LOW Input IIH/IIL Output IOH/IOL Side A Data Inputs Side B Data Inputs Common Select Inputs Side A Output Enable Input (Active LOW) Side B Output Enable Input (Active LOW) TRI-STATE Outputs 1.0/1.0 1.0/1.0 1.0/1.0 1.0/1.0 1.0/1.0 150/40(33.3) 20 mA/b0.6 mA 20 mA/b0.6 mA 20 mA/b0.6 mA 20 mA/b0.6 mA 20 mA/b0.6 mA b 3 mA/24 mA (20 mA) Functional Description Truth Table This device contains two identical 4-input multiplexers with TRI-STATE outputs. They select two bits from four sources selected by common Select inputs (S0, S1). The 4-input multiplexers have individual Output Enable (OEa, OEb) inputs which, when HIGH, force the outputs to a high impedance (High Z) state. This device is the logic implementation of a 2-pole, 4-position switch, where the position of the switch is determined by the logic levels supplied to the two select inputs. The logic equations for the outputs are shown below: Za e OEa # (I0a # S1 # S0 a I1a # S1 # S0 a I2a # S1 # S0 a I3a # S1 # S0) Zb e OEb # (I0b # S1 # S0 a I1b # S1 # S0 a I2b # S1 # S0 a I3b # S1 # S0) If the outputs of TRI-STATE devices are tied together, all but one device must be in the high impedance state to avoid high currents that would exceed the maximum ratings. Designers should ensure that Output Enable signals to TRISTATE devices whose outputs are tied together are designed so that there is no overlap. Select Inputs Output Enable Data Inputs Output S0 S1 I0 I1 I2 I3 OE Z X L L H X L L L X L H X X X X L X X X X X X X X H L L L Z L H L H L L H H L H H H H X X X X X H X X X X X L H X X X X X L H L L L L L H L H L H Address inputs S0 and S1 are common to both sections. H e HIGH Voltage Level L e LOW Voltage Level X e Immaterial Z e High Impedance Logic Diagram TL/F/9505 – 4 Please note that this diagram is provided only for the understanding of logic operations and should not be used to estimate propagation delays. 2 Absolute Maximum Ratings (Note 1) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/Distributors for availability and specifications. Storage Temperature b 65§ C to a 150§ C Ambient Temperature under Bias Junction Temperature under Bias Plastic b 55§ C to a 125§ C Current Applied to Output in LOW State (Max) Note 2: Either voltage limit or current limit is sufficient to protect inputs. Recommended Operating Conditions b 0.5V to a 7.0V Input Voltage (Note 2) Input Current (Note 2) Voltage Applied to Output in HIGH State (with VCC e 0V) Standard Output TRI-STATE Output 4000V Note 1: Absolute maximum ratings are values beyond which the device may be damaged or have its useful life impaired. Functional operation under these conditions is not implied. b 55§ C to a 175§ C b 55§ C to a 150§ C VCC Pin Potential to Ground Pin twice the rated IOL (mA) ESD Last Passing Voltage (Min) b 0.5V to a 7.0V Free Air Ambient Temperature Military Commercial b 30 mA to a 5.0 mA b 55§ C to a 125§ C 0§ C to a 70§ C Supply Voltage Military Commercial b 0.5V to VCC b 0.5V to a 5.5V a 4.5V to a 5.5V a 4.5V to a 5.5V DC Electrical Characteristics Symbol 54F/74F Parameter Min VIH Input HIGH Voltage VIL Input LOW Voltage VCD Input Clamp Diode Voltage VOH Output HIGH Voltage Typ Units 2.0 54F 10% VCC 54F 10% VCC 74F 10% VCC 74F 10% VCC 74F 5% VCC 74F 5% VCC VCC Conditions Max V 0.8 V b 1.2 V 2.5 2.4 2.5 2.4 2.7 2.7 Recognized as a HIGH Signal Recognized as a LOW Signal Min IIN e b18 mA V Min IOH IOH IOH IOH IOH IOH e e e e e e b 1 mA b 3 mA b 1 mA b 3 mA b 1 mA b 3 mA VOL Output LOW Voltage 54F 10% VCC 74F 10% VCC 0.5 0.5 V Min IOL e 20 mA IOL e 24 mA IIH Input HIGH Current 54F 74F 20.0 5.0 mA Max VIN e 2.7V IBVI Input HIGH Current Breakdown Test 54F 74F 100 7.0 mA Max VIN e 7.0V ICEX Output HIGH Leakage Current 54F 74F 250 50 mA Max VOUT e VCC VID Input Leakage Test 74F V 0.0 IID e 1.9 mA All Other Pins Grounded IOD Output Leakage Circuit Current 74F 3.75 mA 0.0 VIOD e 150 mV All Other Pins Grounded IIL Input LOW Current b 0.6 mA Max VIN e 0.5V IOZH Output Leakage Current 50 mA Max VOUT e 2.7V Output Leakage Current b 50 mA Max VOUT e 0.5V b 150 b 225 mA Max VOUT e 0V VOUT e 0V VOUT e VCC IOZL 4.75 b 60 b 100 IOS Output Short-Circuit Current IZZ Bus Drainage Test 500 mA 0.0V ICCH Power Supply Current 11.5 16 mA Max VO e HIGH ICCL Power Supply Current 16 23 mA Max VO e LOW ICCZ Power Supply Current 16 23 mA Max VO e HIGH Z 3 AC Electrical Characteristics Symbol Parameter 74F 54F 74F TA e a 25§ C VCC e a 5.0V CL e 50 pF TA, VCC e Mil CL e 50 pF TA, VCC e Com CL e 50 pF Units Min Typ Max Min Max Min Max tPLH tPHL Propagation Delay Sn to Zn 4.5 3.0 8.5 6.5 11.5 9.0 3.5 2.5 15.0 11.0 4.5 3.0 13.0 10.0 ns tPLH tPHL Propagation Delay In to Zn 3.0 2.5 5.5 4.5 7.0 6.0 2.5 2.5 9.0 8.0 3.0 2.5 8.0 7.0 ns tPZH tPZL Output Enable Time 3.0 3.0 6.0 6.0 8.0 8.0 2.5 2.5 10.0 10.0 3.0 3.0 9.0 9.0 tPHZ tPLZ Output Disable Time 2.0 2.0 3.7 4.4 5.0 6.0 2.0 2.0 6.5 8.0 2.0 2.0 6.0 7.0 4 ns Ordering Information The device number is used to form part of a simplified purchasing code where the package type and temperature range are defined as follows: 74F 253 S Temperature Range Family 74F e Commercial 54F e Military C X Special Variations QB e Military grade device with environmental and burn-in processing X e Devices shipped in 13× reel Device Type Package Code P e Plastic DIP D e Ceramic DIP F e Flatpak L e Leadless Chip Carrier (LCC) S e Small Outline SOIC JEDEC SJ e Small Outline SOIC EIAJ Temperature Range C e Commercial (0§ C to a 70§ C) M e Military (b55§ C to a 125§ C) Physical Dimensions inches (millimeters) 20-Lead Ceramic Leadless Chip Carrier (L) NS Package Number E20A 5 Physical Dimensions inches (millimeters) (Continued) 16-Lead Ceramic Dual-In-Line Package (D) NS Package Number J16A 16-Lead (0.150× Wide) Molded Small Outline Package, JEDEC (S) NS Package Number M16A 6 Physical Dimensions inches (millimeters) (Continued) 16-Lead (0.300× Wide) Molded Small Outline Package, EIAJ (SJ) NS Package Number M16D 16-Lead (0.300× Wide) Molded Dual-In-Line Package (P) NS Package Number N16E 7 54F/74F253 Dual 4-Input Multiplexer with TRI-STATE Outputs Physical Dimensions inches (millimeters) (Continued) 16-Lead Ceramic Flatpak (F) NS Package Number W16A 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. 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