MC74LCX157 Low−Voltage CMOS Quad 2−Input Multiplexer With 5 V−Tolerant Inputs (Non−Inverting) http://onsemi.com The MC74LCX157 is a high performance, quad 2−input multiplexer 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 MC74LCX157 inputs to be safely driven from 5 V devices. Four bits of data from two sources can be selected using the Select and Enable inputs. The four outputs present the selected data in the true (non−inverted) form. The MC74LCX157 can also be used as a function generator. Current drive capability is 24 mA at the outputs. MARKING DIAGRAMS 16 SOIC−16 D SUFFIX CASE 751B 16 1 LCX157 AWLYWW 1 16 Features • • • • • • • • • 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 24 mA Balanced Output Sink and Source Capability Near Zero Static Supply Current (10 A) Substantially Reduces System Power Requirements Latchup Performance Exceeds 500 mA ESD Performance: Human Body Model >2000 V Machine Model >200 V Pb−Free Packages are Available* 16 1 TSSOP−16 DT SUFFIX CASE 948F LCX 157 ALYW 1 16 SOEIAJ−16 M SUFFIX CASE 966 16 74LCX157 ALYW 1 1 A L, WL Y W, WW = = = = Assembly Location Wafer Lot Year Work Week ORDERING INFORMATION See detailed ordering and shipping information in the package dimensions section on page 3 of this data sheet. *For additional information on our Pb−Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. Semiconductor Components Industries, LLC, 2005 January, 2005 − Rev. 4 1 Publication Order Number: MC74LCX157/D MC74LCX157 VCC E I0c I1c Zc I0d I1d Zd 16 15 14 13 12 11 10 9 1 2 3 4 5 6 7 8 S I0a I1a Za I0b I1b Zb GND PIN NAMES Pins Function I0n I1n E S Zn Source 0 Data Inputs Source 1 Data Inputs Enable Input Select Input Outputs Figure 1. 16−Lead Pinout (Top View) S E I0a I1a I0b I1b I0c I1c I0d I1d 1 15 2 4 3 5 7 6 14 12 13 11 9 10 Za Zb Zc Zd Figure 2. Logic Diagram TRUTH TABLE Inputs Outputs E S I0n I1n Zn H L L L L X H H L L X X X L H X L H X X L L H L H H = High Voltage Level; L = Low Voltage Level; X = High or Low Voltage Level ; For ICC Reasons DO NOT FLOAT Inputs http://onsemi.com 2 MC74LCX157 ABSOLUTE MAXIMUM RATINGS Symbol Parameter VCC DC Supply Voltage VI DC Input Voltage VO DC Output Voltage IIK DC Input Diode Current IOK DC Output Diode Current Value Condition Unit −0.5 to +7.0 V −0.5 ≤ VI ≤ +7.0 V −0.5 ≤ VO ≤ VCC + 0.5 Note 1 V −50 VI < GND mA −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 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. Output in HIGH or LOW State. IO absolute maximum rating must be observed. RECOMMENDED OPERATING CONDITIONS Symbol Parameter Operating Data Retention Only Min Typ Max Unit 2.0 1.5 3.3 3.3 3.6 3.6 V 0 5.5 V 0 VCC V −24 mA VCC Supply Voltage VI Input Voltage VO Output Voltage IOH HIGH Level Output Current, VCC = 3.0 V − 3.6 V IOL LOW Level Output Current, VCC = 3.0 V − 3.6 V 24 mA IOH HIGH Level Output Current, VCC = 2.7 V − 3.0 V −12 mA IOL LOW Level Output Current, VCC = 2.7 V − 3.0 V 12 mA TA Operating Free−Air Temperature −40 +85 °C t/V Input Transition Rise or Fall Rate, VIN from 0.8 V to 2.0 V, VCC = 3.0 V 0 10 ns/V (HIGH or LOW State) ORDERING INFORMATION Package Shipping† MC74LCX157DR2 SOIC−16 2500 Tape & Reel MC74LCX157DR2G SOIC−16 (Pb−Free) 2500 Tape & Reel MC74LCX157DT TSSOP−16* 96 Units / Rail MC74LCX157DTR2 TSSOP−16* 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. *This package is inherently Pb−Free. http://onsemi.com 3 MC74LCX157 DC ELECTRICAL CHARACTERISTICS TA = −40°C to +85°C Symbol Characteristic Condition Min 2.0 VIH HIGH Level Input Voltage (Note 2) 2.7 V ≤ VCC ≤ 3.6 V VIL LOW Level Input Voltage (Note 2) 2.7 V ≤ VCC ≤ 3.6 V VOH HIGH Level Output Voltage VOL LOW Level Output Voltage Max Unit V 0.8 2.7 V ≤ VCC ≤ 3.6 V; IOH = −100 A VCC − 0.2 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 2.7 V ≤ VCC ≤ 3.6 V; IOL = 100 A 0.2 VCC = 2.7 V; IOL= 12 mA 0.4 VCC = 3.0 V; IOL = 16 mA 0.4 V VCC = 3.0 V; IOL = 24 mA 0.55 II Input Leakage Current 2.7 V ≤ VCC ≤ 3.6 V; 0 V ≤ VI ≤ 5.5 V ±5.0 A ICC Quiescent Supply Current 2.7 ≤ VCC ≤ 3.6 V; VI = GND or VCC 10 A 2.7 ≤ VCC ≤ 3.6 V; 3.6 ≤ VI ≤ 5.5 V ±10 A 2.7 ≤ VCC ≤ 3.6 V; VIH = VCC − 0.6 V 500 A ICC 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 ) Limits TA = −40°C to +85°C VCC = 3.0 V to 3.6 V Symbol Parameter VCC = 2.7 V Waveform Min Max Max Unit tPLH tPHL Propagation Delay In to Zn 1 1.5 1.5 5.8 5.8 6.3 6.3 ns tPLH tPHL Propagation Delay S to Zn 1,2 1.5 1.5 7.0 7.0 8.0 8.0 ns tPLH tPHL Propagation Delay E to Zn 2 1.5 1.5 7.0 7.0 8.0 8.0 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. DYNAMIC SWITCHING CHARACTERISTICS TA = +25°C Symbol Characteristic Condition Min Typ Max Unit VOLP Dynamic LOW Peak Voltage (Note 4) VCC = 3.3 V, CL = 50 pF, VIH = 3.3 V, VIL = 0 V 0.8 V VOLV Dynamic LOW Valley Voltage (Note 4) VCC = 3.3 V, CL = 50 pF, VIH = 3.3 V, VIL = 0 V 0.8 V 4. Number of outputs defined as “n”. Measured with “n−1” outputs switching from HIGH−to−LOW or LOW−to−HIGH. The remaining output is measured in the LOW state. CAPACITIVE CHARACTERISTICS Condition Typical Unit CIN Symbol Input Capacitance Parameter 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 10 MHz, VCC = 3.3 V, VI = 0 V or VCC 25 pF http://onsemi.com 4 MC74LCX157 2.7 V 1.5 V In, S 1.5 V 0V tPHL tPLH VOH Zn 1.5 V 1.5 V VOL WAVEFORM 1 − NON−INVERTING PROPAGATION DELAYS tR = tF = 2.5 ns, 10% to 90%; f = 1 MHz; tW = 500 ns 2.7 V 1.5 V E, S 1.5 V 0V tPHL tPLH VOH Zn 1.5 V 1.5 V VOL WAVEFORM 2 − INVERTING PROPAGATION DELAYS tR = tF = 2.5 ns, 10% to 90%; f = 1 MHz; tW = 500 ns Figure 3. AC Waveforms VCC PULSE GENERATOR DUT RT CL CL = 50pF or equivalent (Includes jig and probe capacitance) RL = R1 = 500 or equivalent RT = ZOUT of pulse generator (typically 50) Figure 4. Test Circuit http://onsemi.com 5 RL MC74LCX157 PACKAGE DIMENSIONS SOIC−16 D SUFFIX CASE 751B−05 ISSUE J 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. −A− 16 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 TSSOP−16 DT SUFFIX CASE 948F−01 ISSUE O 16X K REF 0.10 (0.004) 0.15 (0.006) T U M T U S V S S K ÉÉ ÇÇ ÇÇ ÉÉ K1 2X L/2 16 9 J1 B −U− L SECTION N−N J PIN 1 IDENT. 8 1 N 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−. 0.25 (0.010) 0.15 (0.006) T U S A −V− M N F DETAIL E −W− C 0.10 (0.004) −T− SEATING PLANE H D DETAIL E G http://onsemi.com 6 DIM A B C D F G H J J1 K K1 L M 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 MC74LCX157 PACKAGE DIMENSIONS SOEIAJ−16 M SUFFIX CASE 966−01 ISSUE O 16 LE 9 Q1 M E HE 1 8 L DETAIL P Z D e VIEW P A DIM A A1 b c D E e HE L LE M Q1 Z A1 b 0.13 (0.005) c M NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: MILLIMETER. 3. DIMENSIONS D AND E DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS AND ARE MEASURED AT THE PARTING LINE. MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.15 (0.006) PER SIDE. 4. TERMINAL NUMBERS ARE SHOWN FOR REFERENCE ONLY. 5. THE LEAD WIDTH DIMENSION (b) DOES NOT INCLUDE DAMBAR PROTRUSION. ALLOWABLE DAMBAR PROTRUSION SHALL BE 0.08 (0.003) TOTAL IN EXCESS OF THE LEAD WIDTH DIMENSION AT MAXIMUM MATERIAL CONDITION. DAMBAR CANNOT BE LOCATED ON THE LOWER RADIUS OR THE FOOT. MINIMUM SPACE BETWEEN PROTRUSIONS AND ADJACENT LEAD TO BE 0.46 ( 0.018). 0.10 (0.004) http://onsemi.com 7 MILLIMETERS MIN MAX −−− 2.05 0.05 0.20 0.35 0.50 0.18 0.27 9.90 10.50 5.10 5.45 1.27 BSC 7.40 8.20 0.50 0.85 1.10 1.50 10 0 0.70 0.90 −−− 0.78 INCHES MIN MAX −−− 0.081 0.002 0.008 0.014 0.020 0.007 0.011 0.390 0.413 0.201 0.215 0.050 BSC 0.291 0.323 0.020 0.033 0.043 0.059 10 0 0.028 0.035 −−− 0.031 MC74LCX157 ON Semiconductor and are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice to any products herein. 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