MC74LCX139 Dual Low-Voltage CMOS 2-to-4 Decoder/Demultiplexer With 5 V−Tolerant Inputs The MC74LCX139 is a high performance, 2−to−4 decoder/ demultiplexer operating from a 2.3 to 3.6 V supply. High impedance TTL compatible inputs significantly reduce current loading to input drivers while TTL compatible outputs offer improved switching noise performance. A VI specification of 5.5 V allows MC74LCX139 inputs to be safely driven from 5 V devices. The MC74LCX139 is suitable for memory address decoding and other TTL level bus oriented applications. The MC74LCX139 high−speed 2−to−4 decoder/demultiplexer accepts two binary weighted inputs (A0, A1) and, when enabled, provides four mutually exclusive active−LOW outputs. The LCX139 features an active low Enable input. All outputs will be HIGH unless En is LOW. The LCX139 can be used as an 8−output demultiplexer by using one of the active−LOW Enable inputs as the data input and the other Enable input as a strobe. The Enable inputs which are not used must be permanently tied to ground. Current drive capability is 24 mA at the outputs. http://onsemi.com MARKING DIAGRAMS 16 SOIC−16 D SUFFIX CASE 751B 16 1 1 16 16 1 LCX 139 ALYWG G TSSOP−16 DT SUFFIX CASE 948F 1 Features LCX139G AWLYWW Designed for 2.3 to 3.6 V VCC Operation 5 V Tolerant Inputs − Interface Capability With 5 V TTL Logic LVTTL Compatible LVCMOS Compatible A WL, L Y WW, W G or G = Assembly Location = Wafer Lot = Year = Work Week = Pb−Free Package (Note: Microdot may be in either location) 24 mA Balanced Output Sink and Source Capability Near Zero Static Supply Current (10 mA) Substantially Reduces System Power Requirements Latchup Performance Exceeds 500 mA ESD Performance: ORDERING INFORMATION See detailed ordering and shipping information in the package dimensions section on page 3 of this data sheet. Human Body Model >2000 V Machine Model >200 V These Devices are Pb−Free, Halogen Free/BFR Free and are RoHS Compliant Semiconductor Components Industries, LLC, 2012 October, 2012 − Rev. 7 1 Publication Order Number: MC74LCX139/D MC74LCX139 Ea 1 16 VCC A0a 2 15 Eb A1a 3 14 A1a A0a A0b Ea 3 2 1 Y0a 4 13 A1b Y1a 5 12 Y0b Y2a 6 11 Y1b A1b 13 A0b 14 Y3a 7 10 Y2b Eb 15 GND 8 9 Y3b X/Y 1 4 Y0a 5 Y1a 0 2 1 EN 2 6 Y2a 7 Y3a 12 Y0b 3 11 Y1b 10 Y2b 9 Y3b Figure 1. Pin Assignment A0a Ea 3 2 1 DMUX 0 0 G 3 1 1 0 2 3 A1b 13 A0b 14 4 Y0a 5 Y1a 6 Y2a 7 Y3a 12 Y0b 11 Y1b 10 Y2b 9 Y3b Eb 15 Figure 2. IEC Logic Diagram PIN NAMES Pins Function A0n−A1n Address Inputs En Enable Inputs Y0n−Y3n Outputs ADDRESS INPUTS A0a A1a Ea TRUTH TABLE Inputs A1a Outputs E A1 A0 Y0 Y1 Y2 Y3 H X X H H H H L L L L H H H L L H H L H H L H L H H L H L H H H H H L ADDRESS INPUTS A0b A1b 2 3 4 Y0a 5 Y1a 6 Y2a 7 Y3a 1 14 12 13 11 10 9 Eb H = High Voltage Level; L = Low Voltage Level; Z = High Impedance State Y0b Y1b Y2b Y3b 15 Figure 3. Logic Diagram En Y0 Y1 A0 Y2 Y3 A1 Figure 4. Expanded Logic Diagram (1/2 of Device) http://onsemi.com 2 ACTIVE−LOW OUTPUTS ACTIVE−LOW OUTPUTS MC74LCX139 MAXIMUM RATINGS Symbol VCC Parameter Value DC Supply Voltage VI DC Input Voltage VO DC Output Voltage IIK IOK Condition Units −0.5 to +7.0 V −0.5 VI +7.0 V −0.5 VO VCC + 0.5 Output in HIGH or LOW State. (Note 1) V DC Input Diode Current −50 VI < GND mA DC Output Diode Current −50 VO < GND mA +50 VO > VCC mA IO DC Output Source/Sink Current 50 mA ICC DC Supply Current Per Supply Pin 100 mA IGND DC Ground Current Per Ground Pin 100 mA TSTG Storage Temperature Range −65 to +150 C MSL Moisture Sensitivity Level 1 Maximum ratings are those values beyond which device damage can occur. Maximum ratings applied to the device are individual stress limit values (not normal operating conditions) and are not valid simultaneously. If these limits are exceeded, device functional operation is not implied, damage may occur and reliability may be affected. 1. IO absolute maximum rating must be observed. RECOMMENDED OPERATING CONDITIONS Symbol VCC Parameter Supply Voltage Operating Data Retention Only Min Typ Max 2.0 1.5 2.3 to 3.3 3.6 3.6 Units V VI Input Voltage 0 5.5 V VO Output Voltage (HIGH or LOW State) 0 VCC V IOH HIGH Level Output Current VCC = 3.0 V − 3.6 V VCC = 2.7 V − 3.0 V VCC = 2.3 V − 2.7 V −24 −12 −8 IOL LOW Level Output Current VCC = 3.0 V − 3.6 V VCC = 2.7 V − 3.0 V VCC = 2.3 V − 2.7 V +24 +12 +8 TA Operating Free−Air Temperature Dt/DV Input Transition Rise or Fall Rate, VIN from 0.8 V to 2.0 V, VCC = 3.0 V mA mA −40 +85 C 0 10 ns/V ORDERING INFORMATION Package Shipping† MC74LCX139DR2G SOIC−16 (Pb−Free) 2500 Tape & Reel MC74LCX139DTG TSSOP−16 (Pb−Free) 96 Units / Rail MC74LCX139DTR2G TSSOP−16 (Pb−Free) 2500 Tape & Reel Device †For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specifications Brochure, BRD8011/D. http://onsemi.com 3 MC74LCX139 DC ELECTRICAL CHARACTERISTICS TA = −40C to +85C Symbol VIH VIL VOH VOL IOFF Characteristic HIGH Level Input Voltage (Note 2) LOW Level Input Voltage (Note 2) HIGH Level Output Voltage LOW Level Output Voltage Power Off Leakage Current Condition Min 2.3 V VCC 2.7 V 1.7 2.7 V VCC 3.6 V 2.0 Max Units V 2.3 V VCC 2.7 V 0.7 2.7 V VCC 3.6 V 0.8 2.3 V VCC 3.6 V; IOL = 100 mA VCC − 0.2 VCC = 2.3 V; IOH = −8 mA 1.7 VCC = 2.7 V; IOH = −12 mA 2.2 VCC = 3.0 V; IOH = −18 mA 2.4 VCC = 3.0 V; IOH = −24 mA 2.2 V V 2.3 V VCC 3.6 V; IOL = 100 mA 0.2 VCC = 2.3 V; IOL = 8 mA 0.7 VCC = 2.7 V; IOL = 12 mA 0.4 V VCC = 3.0 V; IOL = 16 mA 0.4 VCC = 3.0 V; IOL = 24 mA 0.55 VCC = 0, VIN = 5.5 V or VOUT = 5.5 V 10 mA IIN Input Leakage Current VCC = 3.6 V, VIN = 5.5 V or GND 5 mA ICC Quiescent Supply Current VCC = 3.6 V, VIN = 5.5 V or GND 10 mA 2.3 VCC 3.6 V; VIH = VCC − 0.6 V 500 mA DICC Increase in ICC per Input 2. These values of VI are used to test DC electrical characteristics only. AC CHARACTERISTICS (tR = tF = 2.5 ns; CL = 50 pF; RL = 500 W) Limits TA = −405C to +855C Symbol Parameter VCC = 3.0 V to 3.6 V VCC = 2.7 V VCC = 2.3 V to 2.7 V CL = 50 pF CL = 50 pF CL = 30pF Min Max Min Max Min Max Units tPLH tPHL Propagation Delay A to Y 0.8 0.8 6.2 6.2 1.0 1.0 7.3 7.3 0.8 0.8 9.3 9.3 ns tPLH tPHL Propagation Delay E to Y 0.8 0.8 4.7 4.7 1.0 1.0 5.2 5.2 0.8 0.8 7.2 7.2 ns tOSHL tOSLH Output−to−Output Skew (Note 3) 1.0 1.0 ns 3. 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); parameter guaranteed by design. CAPACITIVE CHARACTERISTICS Symbol Condition Typical Units Input Capacitance VCC = 3.3 V, VI = 0 V or VCC 7 pF COUT Output Capacitance VCC = 3.3 V, VI = 0 V or VCC 8 pF CPD Power Dissipation Capacitance 10MHz, VCC = 3.3 V, VI = 0 V or VCC 25 pF CIN Parameter http://onsemi.com 4 MC74LCX139 A VCC 50% GND tPHL tPLH 50% VCC Y Figure 5. Waveform 1 Prop Delays E VCC 50% GND tPLH tPHL Y 50% VCC Figure 6. Waveform 2 Output Enable VCC PULSE GENERATOR DUT RT CL CL = 50 pF or equivalent (Includes jig and probe capacitance) RL = R1 = 500 W or equivalent RT = ZOUT of pulse generator (typically 50 W) Figure 7. Test Circuit http://onsemi.com 5 RL MC74LCX139 PACKAGE DIMENSIONS TSSOP−16 DT SUFFIX CASE 948F ISSUE B 16X K REF 0.10 (0.004) 0.15 (0.006) T U M T U S V S K S ÉÉÉ ÇÇÇ ÇÇÇ ÉÉÉ K1 2X L/2 16 9 J1 B −U− L SECTION N−N J PIN 1 IDENT. N 8 1 0.25 (0.010) M 0.15 (0.006) T U S A −V− NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: MILLIMETER. 3. DIMENSION A DOES NOT INCLUDE MOLD FLASH. PROTRUSIONS OR GATE BURRS. MOLD FLASH OR GATE BURRS SHALL NOT EXCEED 0.15 (0.006) PER SIDE. 4. DIMENSION B DOES NOT INCLUDE INTERLEAD FLASH OR PROTRUSION. INTERLEAD FLASH OR PROTRUSION SHALL NOT EXCEED 0.25 (0.010) PER SIDE. 5. DIMENSION K DOES NOT INCLUDE DAMBAR PROTRUSION. ALLOWABLE DAMBAR PROTRUSION SHALL BE 0.08 (0.003) TOTAL IN EXCESS OF THE K DIMENSION AT MAXIMUM MATERIAL CONDITION. 6. TERMINAL NUMBERS ARE SHOWN FOR REFERENCE ONLY. 7. DIMENSION A AND B ARE TO BE DETERMINED AT DATUM PLANE −W−. N F DETAIL E −W− C 0.10 (0.004) −T− SEATING PLANE D H G DETAIL E DIM A B C D F G H J J1 K K1 L M SOLDERING FOOTPRINT* 7.06 1 0.65 PITCH 16X 0.36 16X 1.26 DIMENSIONS: MILLIMETERS *For additional information on our Pb−Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. http://onsemi.com 6 MILLIMETERS MIN MAX 4.90 5.10 4.30 4.50 −−− 1.20 0.05 0.15 0.50 0.75 0.65 BSC 0.18 0.28 0.09 0.20 0.09 0.16 0.19 0.30 0.19 0.25 6.40 BSC 0_ 8_ INCHES MIN MAX 0.193 0.200 0.169 0.177 −−− 0.047 0.002 0.006 0.020 0.030 0.026 BSC 0.007 0.011 0.004 0.008 0.004 0.006 0.007 0.012 0.007 0.010 0.252 BSC 0_ 8_ MC74LCX139 PACKAGE DIMENSIONS SOIC−16 D SUFFIX CASE 751B−05 ISSUE K −A− 16 NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: MILLIMETER. 3. DIMENSIONS A AND B DO NOT INCLUDE MOLD PROTRUSION. 4. MAXIMUM MOLD PROTRUSION 0.15 (0.006) PER SIDE. 5. DIMENSION D DOES NOT INCLUDE DAMBAR PROTRUSION. ALLOWABLE DAMBAR PROTRUSION SHALL BE 0.127 (0.005) TOTAL IN EXCESS OF THE D DIMENSION AT MAXIMUM MATERIAL CONDITION. 9 −B− 1 P 8 PL 0.25 (0.010) 8 M B S G R K DIM A B C D F G J K M P R F X 45 _ C −T− SEATING PLANE J M D 16 PL 0.25 (0.010) M T B S A MILLIMETERS MIN MAX 9.80 10.00 3.80 4.00 1.35 1.75 0.35 0.49 0.40 1.25 1.27 BSC 0.19 0.25 0.10 0.25 0_ 7_ 5.80 6.20 0.25 0.50 INCHES MIN MAX 0.386 0.393 0.150 0.157 0.054 0.068 0.014 0.019 0.016 0.049 0.050 BSC 0.008 0.009 0.004 0.009 0_ 7_ 0.229 0.244 0.010 0.019 S SOLDERING FOOTPRINT* 8X 6.40 16X 1 1.12 16 16X 0.58 1.27 PITCH 8 9 DIMENSIONS: MILLIMETERS *For additional information on our Pb−Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. ON Semiconductor and are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). 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