Outputs Source/Sink 24 ma ACT157 Has TTL Compatible Inputs. Figure 1. Pinout: 16 Lead Packages Conductors (Top View) PIN NAME
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1 The MC74AC157/74ACT157 is a high speed quad 2 input multiplexer. Four bits of data from two sources can be selected using the common Select and Enable inputs. The four outputs present the selected data in the true (noninverted) form. The MC74AC157/74ACT157 can also be used as a function generator. Outputs Source/Sink 24 ma ACT157 Has TTL Compatible Inputs 16 DIP 16 N SUFFIX CASE SO 16 D SUFFIX CASE 751B Figure 1. Pinout: 16 Lead Packages Conductors (Top iew) 16 1 TSSOP 16 DT SUFFIX CASE 948F PIN NAME PIN I0a I0d I1a I1d E S Za Zd TRUTH TABLE Inputs FUNCTION Source 0 Data Inputs Source 1 Data Inputs Enable Input Select Input Outputs Outputs E S I0 I1 Z H X X X L L H X L L L H X H H L L L X L L L H X H H = HIGH oltage Level L = LOW oltage Level X = Immaterial 16 ORDERING INFORMATION Device Package Shipping MC74AC157N PDIP Units/Rail MC74ACT157N PDIP Units/Rail MC74AC157D SOIC Units/Rail MC74ACT157D SOIC Units/Rail MC74AC157DR Tape & Reel MC74ACT157DR2 SOIC Tape & Reel MC74AC157DT TSSOP Units/Rail MC74AC157DTR2 SOIC 16 MC74ACT157DT TSSOP Units/Rail TSSOP 16 MC74ACT157DTR2 TSSOP 16 MC74AC157M MC74ACT157M 1 EIAJ 16 EIAJ 16 EIAJ 16 M SUFFIX CASE Tape & Reel 2500 Tape & Reel 50 Units/Rail 50 Units/Rail MC74AC157MEL EIAJ Tape & Reel MC74ACT157MEL EIAJ Tape & Reel DEICE MARKING INFORMATION See general marking information in the device marking section on page 6 of this data sheet. Semiconductor Components Industries, LLC, 2001 May, 2001 Rev. 5 1 Publication Order Number: MC74AC157/D
2 Figure 2. Logic Symbol FUNCTIONAL DESCRIPTION The MC74AC157/74ACT157 is a quad 2 input multiplexer. It selects four bits of data from two sources under the control of a common Select input (S). The Enable input (E) is active LOW. When E is HIGH, all of the outputs (Z) are forced LOW regardless of all other inputs. The MC74AC157/74ACT157 is the logic implementation of a 4 pole, 2 position switch where the position of the switch is determined by the logic levels supplied to the Select input. The logic equations for the outputs are shown below: Za = E (I1a S+I 0a S) Zb = E (I1b S+I 0b S) Zc = E (I1c S+I 0c S) Zd = E (I1d S+I 0d S) A common use of the MC74AC157/74ACT157 is the moving of data from two groups of registers to four common output busses. The particular register from which the data comes is determined by the state of the Select input. A less obvious use is as a function generator. The MC74AC157/74ACT157 can generate any four of the sixteen different functions of two variables with one variable common. This is useful for implementing gating functions. NOTE: This diagram is provided only for the understanding of logic operations and should not be used to estimate propagation delays. Figure 3. Logic Diagram 2
3 MAXIMUM RATINGS* Symbol Parameter alue Unit CC DC Supply oltage (Referenced to GND) 0.5 to +7.0 IN DC Input oltage (Referenced to GND) 0.5 to CC +0.5 OUT DC Output oltage (Referenced to GND) 0.5 to CC +0.5 IIN DC Input Current, per Pin ±20 ma IOUT DC Output Sink/Source Current, per Pin ±50 ma ICC DC CC or GND Current per Output Pin ±50 ma Tstg Storage Temperature 65 to +150 C *Maximum Ratings are those values beyond which damage to the device may occur. Functional operation should be restricted to the Recommended Operating Conditions. RECOMMENDED OPERATING CONDITIONS Symbol Parameter Min Typ Max Unit CC Supply oltage AC ACT IN, OUT DC Input oltage, Output oltage (Ref. to GND) 0 CC tr, tf tr, tf Input Rise and Fall Time (Note 1) AC Devices except Schmitt Inputs ns/ Input Rise and Fall Time (Note 2) ACT Devices except Schmitt Inputs TJ Junction Temperature (PDIP) 140 C TA Operating Ambient Temperature Range C IOH Output Current High 24 ma IOL Output Current Low 24 ma 1. IN from 30% to 70% CC; see individual Data Sheets for devices that differ from the typical input rise and fall times. 2. IN from 0.8 to 2.0 ; see individual Data Sheets for devices that differ from the typical input rise and fall times. ns/ 3
4 DC CHARACTERISTICS Symbol Parameter CC () 74AC TA = +25 C Typ 74AC TA = 40 C to +85 C Guaranteed Limits Unit Conditions IH Minimum High Level OUT = 0.1 Input oltage or CC IL Maximum Low Level OUT = 0.1 Input oltage or CC OH Minimum High Level IOUT = 50 µa Output oltage *IN = IL or IH ma IOH 24 ma ma OL Maximum Low Level IOUT = 50 µa Output oltage IIN IOLD IOHD Maximum Input Leakage Current Minimum Dynamic Output t Current *IN = IL or IH ma IOL 24 ma ma ±0.1 1 ±1.0 0 µa I =CC CC, GND ma OLD = 1.65 Max ma OHD = 3.85 Min ICC Maximum Quiescent Supply Current µa IN =CC or GND *All outputs loaded; thresholds on input associated with output under test. Maximum test duration 2.0 ms, one output loaded at a time. NOTE: IIN and 3.0 are guaranteed to be less than or equal to the respective 5.5 CC. 4
5 AC CHARACTERISTICS (For Figures and Waveforms See Section 3 of the ON Semiconductor FACT Data Book, DL138/D) Symbol tplh tphl tplh tphl tplh tphl Parameter CC* () 74AC TA = +25 C CL = 50 pf 74AC TA = 40 C to +85 C CL = 50 pf Min Typ Max Min Max Propagation Delay S to Zn Propagation Delay S to Zn Propagation Delay E to Zn Propagation Delay En to Zn Propagation Delay In to Zn Propagation Delay In to Zn *oltage Range 3.3 is 3.3 ±0.3. *oltage Range 5.0 is 5.0 ±0.5. Unit Fig. No. ns 3 6 ns 3 6 ns 3 6 ns 3 6 ns 3 5 ns 3 5 DC CHARACTERISTICS Symbol Parameter CC () 74ACT TA = +25 C Typ 74ACT TA = 40 C to +85 C Guaranteed Limits IH Minimum High Level Input oltage IL Maximum Low Level Input oltage OH Minimum High Level Output oltage Unit Conditions OUT = 0.1 or CC 0.1 OUT = 0.1 or CC 0.1 IOUT = 50 µa OL Maximum Low Level Output oltage *IN = IL or IH 24 ma IOH 24 ma IOUT = 50 µa *IN = IL or IH ma IOL 24 ma IIN Maximum Input ±0.1 1 ±1.0 0 µa =CC Leakage Current I CC, GND ICCT Additional Max. ICC/Input ma I = CC 2.1 IOLD IOHD Minimum Dynamic Output t Current ma OLD = 1.65 Max ma OHD = 3.85 Min ICC Maximum Quiescent Supply Current *All outputs loaded; thresholds on input associated with output under test. Maximum test duration 2.0 ms, one output loaded at a time µa IN =CC or GND 5
6 AC CHARACTERISTICS (For Figures and Waveforms See Section 3 of the ON Semiconductor FACT Data Book, DL138/D) Symbol tplh tphl tplh tphl tplh tphl Propagation Delay S to Zn Propagation Delay S to Zn Propagation Delay En to Zn Propagation Delay En to Zn Propagation Delay In to Zn Propagation Delay In to Zn *oltage Range 5.0 is 5.0 ±0.5. Parameter CC* () 74ACT TA = +25 C CL = 50 pf 74ACT TA = 40 C to +85 C CL = 50 pf Min Typ Max Min Max Unit Fig. No ns ns ns ns ns ns 3 5 CAPACITANCE Symbol Parameter alue Typ Unit Test Conditions CIN Input Capacitance 4.5 pf CC = 5.0 CPD Power Dissipation Capacitance 50 pf CC = 5.0 MARKING DIAGRAMS DIP 16 SO 16 TSSOP 16 EIAJ 16 MC74AC157N AWLYYWW AC157 AWLYWW AC 157 ALYW 74AC157 ALYW MC74ACT157N AWLYYWW ACT157 AWLYWW ACT 157 ALYW 74ACT157 ALYW A = Assembly Location WL, L = Wafer Lot YY, Y = Year WW, W = Work Week 6
7 PACKAGE DIMENSIONS H A G B F C S K D 16 PL T PDIP 16 N SUFFIX 16 PIN PLASTIC DIP PACKAGE CASE ISSUE R J L M SO 16 D SUFFIX 16 PIN PLASTIC SOIC PACKAGE CASE 751B 05 ISSUE J T G A D 16 PL K B P 8 PL R X 45 C M J F 7
8 PACKAGE DIMENSIONS T L PIN 1 IDENT. D 2X L/2 C 16X K REF A TSSOP 16 DT SUFFIX 16 PIN PLASTIC TSSOP PACKAGE CASE948F 01 ISSUE O G B U H N N J J1 F DETAIL E DETAIL E K K1 ÇÇÇ ÉÉÉ SECTION N N M W e Z D b E A HE A1 EIAJ 16 M SUFFIX 16 PIN PLASTIC EIAJ PACKAGE CASE ISSUE O IEW P M LE L DETAIL P Q1 c 8
9 Notes 9
10 Notes 10
11 Notes 11
12 ON Semiconductor and are trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does SCILLC assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. Typical parameters which may be provided in SCILLC data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including Typicals must be validated for each customer application by customer s technical experts. SCILLC does not convey any license under its patent rights nor the rights of others. SCILLC products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the SCILLC product could create a situation where personal injury or death may occur. Should Buyer purchase or use SCILLC products for any such unintended or unauthorized application, Buyer shall indemnify and hold SCILLC and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that SCILLC was negligent regarding the design or manufacture of the part. SCILLC is an Equal Opportunity/Affirmative Action Employer. PUBLICATION ORDERING INFORMATION Literature Fulfillment: Literature Distribution Center for ON Semiconductor P.O. Box 5163, Denver, Colorado USA Phone: or Toll Free USA/Canada Fax: or Toll Free USA/Canada ONlit@hibbertco.com N. American Technical Support: Toll Free USA/Canada JAPAN: ON Semiconductor, Japan Customer Focus Center Nishi Gotanda, Shinagawa ku, Tokyo, Japan Phone: r14525@onsemi.com ON Semiconductor Website: For additional information, please contact your local Sales Representative. 12 MC74AC157/D
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2N5194 2N for use in power amplifier and switching circuits, excellent safe area limits. Complement to NPN 2N5191, 2N5192
... for use in power amplifier and switching circuits, excellent safe area limits. Complement to NPN 2N5191, 2N5192 ÎÎ *MAXIMUM RATINGS ÎÎ Rating ÎÎ Symbol Î 2N5194 Î Unit ÎÎ Collector Emitter Voltage
ORDERING INFORMATION MAXIMUM RATINGS AXIAL LEAD CASE 41A PLASTIC MPTE 1N 63xx YYWW ICTE YYWW
Unidirectional* Mosorb devices are designed to protect voltage sensitive components from high voltage, high energy transients. They have excellent clamping capability, high surge capability, low zener
LM339S, LM2901S. Single Supply Quad Comparators
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NC7S14 TinyLogic HS Inverter with Schmitt Trigger Input
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NOTE: The Flatpak version has the same pinouts (Connection Diagram) as the Dual In-Line Package.
BCD DECADE/MODULO BINARY SYNCHRONOUS BI-DIRECTIONAL COUNTERS The SN54/ 74LS8 and SN54/ 74LS9 are fully synchronous 4-stage up/down counters featuring a preset capability for programmable operation, carry
MJE15028 MJE AMPERE POWER TRANSISTORS COMPLEMENTARY SILICON VOLTS 50 WATTS MAXIMUM RATINGS THERMAL CHARACTERISTICS
... designed for use as high frequency drivers in audio amplifiers. DC Current Gain Specified to 4.0 Amperes hfe = 40 (Min) @ IC = 3.0 Adc = 20 (Min) @ IC = 4.0 Adc Collector Emitter Sustaining Voltage
MC14001B Series. B Suffix Series CMOS Gates MC14001B, MC14011B, MC14023B, MC14025B, MC14071B, MC14073B, MC14081B, MC14082B
MC4B Series BSuffix Series CMOS Gates MC4B, MC4B, MC4B, MC4B, MC4B, MC4B, MC4B, MC4B The B Series logic gates are constructed with P and N channel enhancement mode devices in a single monolithic structure
NOTE: The Flatpak version has the same pinouts (Connection Diagram) as the Dual In-Line Package.
PRESETTABLE BCD/DECADE UP/DOWN COUNTER PRESETTABLE 4-BIT BINARY UP/DOWN COUNTER The SN54/74LS192 is an UP/DOWN BCD Decade (8421) Counter and the SN54/74LS193 is an UP/DOWN MODULO- Binary Counter. Separate
7WB Bit Bus Switch. The 7WB3126 is an advanced high speed low power 2 bit bus switch in ultra small footprints.
2-Bit Bus Switch The WB326 is an advanced high speed low power 2 bit bus switch in ultra small footprints. Features High Speed: t PD = 0.25 ns (Max) @ V CC = 4.5 V 3 Switch Connection Between 2 Ports Power
Four Transistors Equal Power Each. Watts mw/ C Watts mw/ C TJ, Tstg 55 to +150 C. Characteristic Symbol Min Max Unit
PNP/NPN Silicon Voltage and current are negative for PNP transistors MAXIMUM RATINGS Rating Symbol Value Unit Collector Emitter Voltage VCEO 40 Vdc Collector Base Voltage VCB 40 Vdc Emitter Base Voltage
MARKING DIAGRAMS MAXIMUM RATINGS (Note 1.) ORDERING INFORMATION PDIP 16 P SUFFIX CASE 648 MC140xxBCP AWLYYWW
The MC14051B, MC14052B, and MC14053B analog multiplexers are digitally controlled analog switches. The MC14051B effectively implements an SP8T solid state switch, the MC14052B a DP4T, and the MC14053B
NL27WZ17. Dual Non-Inverting Schmitt Trigger Buffer
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Presettable 4-Bit Binary UP/DOWN Counter High-Speed Silicon-Gate CMOS
TECHNICAL DATA Presettable 4-Bit Binary UP/DOWN Counter High-Speed Silicon-Gate CMOS IN74ACT193 The IN74ACT193 is identical in pinout to the LS/ALS192, HC/HCT192. The IN74ACT193 may be used as a level
TIP120, TIP121, TIP122,
... designed for general purpose amplifier and low speed switching applications. High DC Current Gain hfe = 2500 (Typ) @ IC = 4.0 Adc Collector Emitter Sustaining Voltage @ 100 madc VCEO(sus) = 60 Vdc
MARKING DIAGRAMS 16 MAXIMUM RATINGS (Voltages Referenced to V SS ) (Note 1.) ORDERING INFORMATION PDIP 16 P SUFFIX CASE 648
查询 CD4553 供应商 The MC14553B 3 digit BCD counter coists of 3 negative edge triggered BCD counters that are cascaded synchronously. A quad latch at the output of each counter permits storage of any given
MC14536B. MARKING DIAGRAMS 16. MAXIMUM RATINGS (Voltages Referenced to V SS ) (Note 2.) ORDERING INFORMATION
The MC14536B programmable timer is a 24 stage binary ripple counter with 16 stages selectable by a binary code. Provisions for an on chip RC oscillator or an external clock are provided. An on chip monostable
Unidirectional* PLASTIC SURFACE MOUNT ZENER OVERVOLTAGE TRANSIENT SUPPRESSORS VOLTS 400 WATTS PEAK POWER
Unidirectional* The SMA series is designed to protect voltage sensitive components from high voltage, high energy transients. They have excellent clamping capability, high surge capability, low zener impedance
ULTRAFAST RECTIFIERS 8.0 AMPERES VOLTS
Preferred Devices... designed for use in switching power supplies, inverters and as free wheeling diodes, these state of the art devices have the following features: Ultrafast 25, 50 and 75 Nanosecond
ASM1232LP/LPS 5V μp Power Supply Monitor and Reset Circuit
5V μp Power Supply Monitor and Reset Circuit General Description The ASM1232LP/LPS is a fully integrated microprocessor Supervisor. It can halt and restart a hung-up microprocessor, restart a microprocessor
NC7S00 TinyLogic HS 2-Input NAND Gate
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Low Capacitance Transient Voltage Suppressors / ESD Protectors CM QG/D. Features
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74HCT157. Quad 2 Input Data Selectors / Multiplexers. High Performance Silicon Gate CMOS
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Distributed by: www.jameco.com 1-800-831-44 The content and copyrights of the attached material are the property of its owner. Transient Voltage Suppressors Micro Packaged Diodes for ESD Protection The
Is Now Part of To learn more about ON Semiconductor, please visit our website at
Is Now Part of To learn more about ON Semiconductor, please visit our website at www.onsemi.com ON Semiconductor and the ON Semiconductor logo are trademarks of Semiconductor Components Industries, LLC
MARKING DIAGRAMS PIN CONNECTIONS ORDERING INFORMATION MC3x58P1 AWL YYWW PDIP 8 P1 SUFFIX CASE 626 SO 8 D SUFFIX CASE 751 3x58 ALYW
Utilizing the circuit designs perfected for the quad operational amplifiers, these dual operational amplifiers feature: low power drain, a common mode input voltage range extending to ground/v EE, and
NSTB1005DXV5T1, NSTB1005DXV5T5. Dual Common Base Collector Bias Resistor Transistors
NSTB005DXV5T, NSTB005DXV5T5 Preferred Devices Dual Common Base Collector Bias Resistor Transistors NPN and PNP Silicon Surface Mount Transistors with Monolithic Bias Resistor Network The BRT (Bias Resistor
Is Now Part of To learn more about ON Semiconductor, please visit our website at
Is Now Part of To learn more about ON Semiconductor, please visit our website at www.onsemi.com ON Semiconductor and the ON Semiconductor logo are trademarks of Semiconductor Components Industries, LLC
MC10ELT22, MC100ELT22. 5VНDual TTL to Differential PECL Translator
5VНual TTL to ifferential PECL Translator The MC0ELT/00ELT22 is a dual TTL to differential PECL translator. Because PECL (Positive ECL) levels are used only +5 V and ground are required. The small outline
QUAD EIA 422 LINE DRIVER WITH THREE STATE OUTPUTS
Order this document by MC3487/D Motorolas Quad EIA422 Driver features four independent driver chains which comply with EIA Standards for the Electrical Characteristics of Balanced Voltage Digital Interface
BC546, B BC547, A, B, C BC548, A, B, C
NPN Silicon MAXIMUM RATINGS Rating Symbol BC546 BC547 Unit Collector Emitter oltage CEO 65 45 30 dc Collector Base oltage CBO 80 50 30 dc Emitter Base oltage EBO 6.0 dc Collector Current Continuous I C
Ultrafast E Series with High Reverse Energy Capability
Ultrafast E Series with High Reverse Energy Capability... designed for use in switching power supplies, inverters and as free wheeling diodes, these state of the art devices have the following features:
NB3N502/D. 14 MHz to 190 MHz PLL Clock Multiplier
4 MHz to 90 MHz PLL Clock Multiplier Description The NB3N502 is a clock multiplier device that generates a low jitter, TTL/CMOS level output clock which is a precise multiple of the external input reference
NTNUS3171PZ. Small Signal MOSFET. 20 V, 200 ma, Single P Channel, 1.0 x 0.6 mm SOT 1123 Package
NTNUS7PZ Small Signal MOSFET V, ma, Single P Channel,. x.6 mm SOT Package Features Single P Channel MOSFET Offers a Low R DS(on) Solution in the Ultra Small. x.6 mm Package. V Gate Voltage Rating Ultra
DPAK Surface Mount Package
MBRD620CT, MBRD640CT and MBRD660CT are Preferred Devices DPAK Surface Mount Package...in switching power supplies, inverters and as free wheeling diodes, these state of the art devices have the following