SN54/74LS147 SN54/74LS148 SN54/74LS LINE-TO-4-LINE AND 8-LINE-TO-3-LINE PRIORITY ENCODERS
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1 10-LINE-TO-4-LINE AND 8-LINE-TO-3-LINE PRIORITY ENCODERS The SN54/ 74LS147 and the SN54/ 74LS148 are Priority Encoders. They provide priority decoding of the inputs to eure that only the highest order data line is encoded. Both devices have data inputs and s which are active at the low logic level. The LS147 encodes nine data lines to four-line ( ) BCD. The implied decimal zero condition does not require an input condition because zero is encoded when all nine data lines are at a high logic level. The LS148 encodes eight data lines to three-line (4-2-1) binary (octal). By providing cascading circuitry (Enable Input EI and Enable Output EO) octal expaion is allowed without needing external circuitry. The SN54/ 74LS748 is a proprietary Motorola part incorporating a built-in deglitcher network which minimizes glitches on the GS. The glitch occurs on the negative going traition of the EI input when data inputs 0 7 are at logical ones. The only dc parameter differences between the LS148 and the LS748 are that (1) Pin 10 (input 0) has a fan-in of 2 on the LS748 versus a fan-in of 1 on the LS148; (2) Pi 1, 2, 3, 4, 11, 12 and 13 (inputs 1, 2, 3, 4, 5, 6, 7) have a fan-in of 3 on the LS748 versus a fan-in of 2 on the LS148. The only ac difference is that from EI to EO is changed from 40 to 45. SN54/ 74LS147 (TOP VIEW) SN54/74LS147 SN54/74LS148 SN54/74LS LINE-TO-4-LINE AND 8-LINE-TO-3-LINE PRIORITY ENCODERS LOW POWER SCHOTTKY 1 1 J SUFFIX CERAMIC CASE N SUFFIX PLASTIC CASE D SUFFIX SOIC CASE 751B-03 ORDERING INFORMATION SN54LSXXXJ Ceramic SN74LSXXXN Plastic SN74LSXXXD SOIC SN54/ 74LS148 SN54/ 74LS748 (TOP VIEW) 5-245
2 SN54/74LS147 SN54/74LS148 SN54/74LS748 SN54/ 74LS147 FUNCTION TABLE INPUTS OUTPUTS D C B A H H H H H H H H H H H H H X X X X X X X X L L H H L X X X X X X X L H L H H H X X X X X X L H H H L L L X X X X X L H H H H L L H X X X X L H H H H H L H L X X X L H H H H H H L H H X X L H H H H H H H H L L X L H H H H H H H H H L H L H H H H H H H H H H H L H = HIGH Logic Level, L = LOW Logic Level, X = Irrelevant INPUTS SN54/ 74LS148 SN54/ 74LS748 FUNCTION TABLE OUTPUTS EI A2 A1 A0 GS EO H X X X X X X X X H H H H H L H H H H H H H H H H H H L L X X X X X X X L L L L L H L X X X X X X L H L L H L H L X X X X X L H H L H L L H L X X X X L H H H L H H L H L X X X L H H H H H L L L H L X X L H H H H H H L H L H L X L H H H H H H H H L L H L L H H H H H H H H H H L H FUNCTIONAL BLOCK DIAGRAMS SN54/ 74LS147 SN54/ 74LS
3 SN54/74LS147 SN54/74LS148 SN54/74LS748 FUNCTIONAL BLOCK DIAGRAMS (continued) SN54/ 74LS
4 SN54/74LS147 SN54/74LS148 SN54/74LS748 GUARANTEED OPERATING RANGES Symbol Parameter Min Typ Max Unit VCC Supply Voltage TA Operating Ambient Temperature Range IOH Output Current High 54, ma IOL Output Current Low DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified) Limits Symbol Parameter Min Typ Max Unit Test Conditio VIH Input HIGH Voltage 2.0 V VIL Input LOW Voltage V Guaranteed Input HIGH Voltage for All Inputs Guaranteed Input LOW Voltage for All Inputs VIK Input Clamp Diode Voltage V VCC = MIN, IIN = 18 ma V C ma VOH VOL Output HIGH Voltage Output LOW Voltage V VCC = MIN, IOH = MAX, VIN = VIH V or VIL per Truth Table 54, V IOL = 4.0 ma VCC = VCC MIN, VIN = VIL or VIH V IOL = 8.0 ma per Truth Table IIH IIL Input HIGH Current All Others Input 0 (LS748) Inputs 1 7 (LS148) Inputs 1 7 (LS748) All Others Input 0 (LS748) Inputs 1 7 (LS148) Inputs 1 7 (LS748) Input LOW Current All Others Input 0 (LS748) Inputs 1 7 (LS148) Inputs 1 7 (LS748) µa VCC = MAX, VIN = 2.7 V IOS Short Circuit Current (Note 1) ma VCC = MAX ma ma VCC = MAX, VIN = 7.0 V VCC = MAX, VIN = 0.4 V ICCH Power Supply Current Output HIGH 17 ma VCC = MAX, All Inputs = 4.5 V ICCL Output LOW 20 ma Note 1: Not more than one should be shorted at a time, nor for more than 1 second. VCC = MAX, Inputs 7 & E1 = GND All Other Inputs = 4.5 V 5-248
5 SN54/74LS147 SN54/74LS148 SN54/74LS748 AC CHARACTERISTICS (VCC = 5.0 V, TA = 25C) SN54/ 74LS147 Symbol From (Input) Any Any To Limits (Output) Waveform Min Typ Max Unit Test Conditio Any Any In-phase Out-of-phase CL L = 15 pf, RL = 2.0 kω SN54/ 74LS148 SN54/ 74LS748 Symbol From (Input) 1 thru 7 A0, A1, or A2 1 thru 7 A0, A1, or A2 0 thru 7 EO 0 thru 7 GS EI EI EI To Limits (Output) Waveform Min Typ Max Unit Test Conditio A0, A1, or A2 GS EO In-phase Out-of-phase Out-of-phase In-phase In-phase In-phase In-phase (LS148) (LS748) CL = 15 pf, RL = 2.0 kω 5-249
6 -A- Case 751B-03 D Suffix -Pin Plastic SO B- P -T- D G K C M R X 45 F J -A- Case N Suffix -Pin Plastic B F S C -T- L H G D K J M -A- Case J Suffix -Pin Ceramic Dual In-Line 9 -B- 1 8 C L -T- K E N F G J D M 5-250
7 Motorola reserves the right to make changes without further notice to any products herein. Motorola makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does Motorola 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 coequential or incidental damages. Typical parameters can and do vary in different applicatio. All operating parameters, including Typicals must be validated for each customer application by customer s technical experts. Motorola does not convey any licee under its patent rights nor the rights of others. Motorola products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applicatio intended to support or sustain life, or for any other application in which the failure of the Motorola product could create a situation where personal injury or death may occur. Should Buyer purchase or use Motorola products for any such unintended or unauthorized application, Buyer shall indemnify and hold Motorola and its officers, employees, subsidiaries, affiliates, and distributors harmless agait all claims, costs, damages, and expees, 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 Motorola was negligent regarding the design or manufacture of the part. Motorola and are registered trademarks of Motorola, Inc. Motorola, Inc. is an Equal Opportunity/Affirmative Action Employer. Literature Distribution Centers: USA: Motorola Literature Distribution; P.O. Box 20912; Phoenix, Arizona EUROPE: Motorola Ltd.; European Literature Centre; 88 Tanners Drive, Blakelands, Milton Keynes, MK14 5BP, England. JAPAN: Nippon Motorola Ltd.; , Nishi-Gotanda, Shinagawa-ku, Tokyo 141, Japan. ASIA PACIFIC: Motorola Semiconductors H.K. Ltd.; Silicon Harbour Center, No. 2 Dai King Street, Tai Po Industrial Estate, Tai Po, N.T., Hong Kong
8 This datasheet has been download from: Datasheets for electronics components.
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MMBVLT Series, MV5, MV, MV9, LV9 Preferred evice Silicon Tuning iodes These devices are designed in popular plastic packages for the high volume requirements of FM Radio and TV tuning and AFC, general
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BAT54XV2 Schottky Barrier Diode
June 2015 BAT54XV2 Schottky Barrier Diode Features Low Forward Voltage Drop Flat Lead, Surface Mount Device at 0.60mm Height Extremely Small Outline Plastic Package SOD523F Moisture Level Sensitivity 1
MC10H Bit Arithmetic Logic Unit/ Function Generator
C0H8 4Bit Arithmetic Logic Unit/ unction Generator The C0H8 is a highspeed arithmetic logic unit capable of performing 6 logic operatio and 6 arithmetic operatio on two fourbit words. ull internal carry
MMBF4391LT1, MMBF4392LT1, MMBF4393LT1. JFET Switching Transistors. N Channel. Pb Free Packages are Available.
LT1, LT1, LT1 JFET Switching Transistors NChannel Features PbFree Packages are Available MAXIMUM RATINGS Rating Symbol Value Unit DrainSource Voltage V DS Vdc DrainGate Voltage V DG Vdc GateSource Voltage
NL17SHT08. 2-Input AND Gate / CMOS Logic Level Shifter
N7ST08 -Input AND Gate / CMOS ogic evel Shifter The N7ST08 is an advanced high speed CMOS input AND gate fabricated with silicon gate CMOS technology. It achieves high speed operation similar to equivalent
NSVJ6904DSB6. Advance Information N-Channel JFET 25 V, 20 to 40 ma, 40 ms, Dual
NSVJ694DSB6 Advance Information N-Channel JFET V, to 4 ma, 4 ms, Dual The NSVJ694DSB6 is a composite type of JFET designed for compact size and high efficiency which can achieve high gain performance.
MJW18020G. NPN Silicon Power Transistors High Voltage Planar 30 AMPERES 1000 VOLTS BV CES 450 VOLTS BV CEO, 250 WATTS
NPN Silicon Power Transistors High Voltage Planar The MJW18020 planar High Voltage Power Transistor is specifically Designed for motor control applications, high power supplies and UPS s for which the
FFSD08120A/D. Silicon Carbide Schottky Diode 1200 V, 8 A Features. FFSD08120A Silicon Carbide Schottky Diode. Description.
FFSD8A Silicon Carbide Schottky Diode V, 8 A Features Max Junction Temperature 75 C Avalanche Rated 8 mj High Surge Current Capacity Positive Temperature Coefficient Ease of Paralleling No Reverse Recovery
MC74HC138A. 1-of-8 Decoder/ Demultiplexer. High Performance Silicon Gate CMOS
MC74HC38A -of-8 Decoder/ Demultiplexer High Performance Silicon Gate CMOS The MC74HC38A is identical in pinout to the LS38. The device inputs are compatible with standard CMOS outputs; with pullup resistors,
74HC74. Dual D Flip Flop with Set and Reset. High Performance Silicon Gate CMOS
Dual D Flip Flop with Set and Reset High Performance Silicon Gate CMOS The 74HC74 is identical in pinout to the LS74. The device inputs are compatible with standard CMOS outputs; with pullup resistors,
with LSTTL Compatible Inputs
with STT Compatible Inputs The MC74HC259 is an 8 bit Addressable atch fabricated with silicon gate CMOS technology. It achieves high speed operation similar to equivalent Bipolar Schottky TT devices while
MC74AC259, MC74ACT Bit Addressable Latch
8-Bit Addressable Latch The MC259/T259 is a high speed 8 bit addressable latch designed for general purpose storage applicatio in digital systems. It is a multifunctional device capable of storing single
FFSH15120A/D. Silicon Carbide Schottky Diode 1200 V, 15 A Features. FFSH15120A Silicon Carbide Schottky Diode. Description.
FFSH151A Silicon Carbide Schottky Diode 1 V, 15 A Features Max Junction Temperature 175 C Avalanche Rated 145 mj High Surge Current Capacity Positive Temperature Coefficient Ease of Paralleling No Reverse
MC74HC132A. Quad 2 Input NAND Gate with Schmitt Trigger Inputs. High Performance Silicon Gate CMOS
Quad 2 Input NAND Gate with Schmitt Trigger Inputs High Performance Silicon Gate CMOS The is identical in pinout to the LS32. The device inputs are compatible with standard CMOS outputs; with pull up resistors,
Compound Coefficient Pressure Sensor PSPICE Models
Freescale Semiconductor Application Note Rev 2, 05/2005 Compound Coefficient Pressure Sensor PSPICE Models by: Warren Schultz INTRODUCTION PSPICE models for Uncompensated, MPX2000 series, and MPX5000 series
2N4921, 2N4922, 2N4923. Medium Power Plastic NPN Silicon Transistors 1.0 AMPERE GENERAL PURPOSE POWER TRANSISTORS VOLTS, 30 WATTS
2N4923 is a Preferred Device MediumPower Plastic NPN Silicon Transistors These highperformance plastic devices are designed for driver circuits, switching, and amplifier applications. Features Low Saturation
FDV301N Digital FET, N-Channel
FVN igital FET, N-Channel General escription This N-Channel logic level enhancement mode field effect transistor is produced using ON Semiconductor's proprietary, high cell density, MOS technology. This
NL17SZ08. Single 2-Input AND Gate
N7SZ08 Single 2-Input AND Gate The N7SZ08 is a single 2 input AND Gate in two tiny footprint packages. The device performs much as CX multi gate products in speed and drive. They should be used wherever
MC14514B, MC14515B. 4 Bit Transparent Latch / 4 to 16 Line Decoder
MC454B, MC45B 4Bit Traparent Latch / 4to6 Line Decoder The MC454B and MC45B are two output optio of a 4 to 6 line decoder with latched inputs. The MC454B (output active high option) presents a logical
FFSH40120ADN-F155 Silicon Carbide Schottky Diode
FFSH412ADN-F155 Silicon Carbide Schottky Diode 12 V, 4 A Features Max Junction Temperature 175 o C Avalanche Rated 2 mj High Surge Current Capacity Positive Temperature Coefficient Ease of Paralleling
MC14543B. MARKING DIAGRAMS ORDERING INFORMATION. MAXIMUM RATINGS (Voltages Referenced to V SS ) (Note 2.) PDIP 16 P SUFFIX CASE 648
The MC14543B BCD to seven segment latch/decoder/driver is designed for use with liquid crystal readouts, and is cotructed with complementary MOS (CMOS) enhancement mode devices. The circuit provides the
MC454B, MC45B BLOCK DIAGRAM DECODE TRUTH TABLE (Strobe = )* DATA DATA 2 DATA 3 DATA 4 INHIBIT = PIN = PIN 2 TRANSPARENT LATCH 9 S S2 S3 8
MC454B, MC45B 4Bit Traparent Latch / 4to6 Line Decoder The MC454B and MC45B are two output optio of a 4 to 6 line decoder with latched inputs. The MC454B (output active high option) presents a logical
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MMBZ5xxBLT Series, SZMMBZ5xxBLTG Series Zener Voltage Regulators 5 mw SOT Surface Mount This series of Zener diodes is offered in the convenient, surface mount plastic SOT package. These devices are designed
MC74AC132, MC74ACT132. Quad 2 Input NAND Schmitt Trigger
MC74AC32, MC74ACT32 Quad 2 Input NAND Schmitt Trigger The MC74AC/74ACT32 contains four 2 input NAND gates which are capable of transforming slowly changing input signals into sharply defined, jitter free
74HC of 8 Decoder/ Demultiplexer. High Performance Silicon Gate CMOS
of 8 Decoder/ Demultiplexer High Performance Silicon Gate CMOS The 74HC38 is identical in pinout to the LS38. The device inputs are compatible with standard CMOS outputs; with pullup resistors, they are
PN2222, PN2222A. General Purpose Transistors. NPN Silicon. Pb Free Packages are Available* Features MAXIMUM RATINGS MARKING DIAGRAM
, is a Preferred Device General Purpose Transistors NPN Silicon Features PbFree Packages are Available* COLLECTOR 3 MAXIMUM RATINGS Collector-Emitter Voltage Collector-Base Voltage Rating Symbol Value
MUR3020PTG SUR83020PTG MUR3040PTG MUR3060PTG SUR83060PTG. SWITCHMODE Power Rectifiers ULTRAFAST RECTIFIERS 30 AMPERES, VOLTS
MUR00PTG, SUR00PTG, MUR00PTG, MUR00PTG, SUR00PTG SWITCHMODE Power Rectifiers These state of the art devices are designed for use in switching power supplies, inverters and as free wheeling diodes. Features