Digital design width CPLD Application and VHDL - Chapter 5 potx

... operation of combina-tional circuits.• Design BCD-to-seven-segment and hexadecimal-to-seven-segment de-coders, including special features such as ripple blanking, using VHDL and Graphic Design Files ... the Application 155 ❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚ CHAPTER 5 Combinational Logic FunctionsOUTLINE 5. 1 Decoders 5. 2 Encoders 5. 3 Multiplexers 5. 4 Demultiplexers 5. 5 MagnitudeComparators 5. 6 Parity Generators and Checkers CHAPTER OBJECTIVESUpon ... the MSBs.AEQBAGTBALTBFIGURE 5. 582-bit Comparator With AEQB,AGTB, and ALTB Outputs 5. 1 • Decoders 159 Figure 5. 4 shows the logic circuit of a 2-line-to-4-line decoder. The circuit detectsthe...

... Function74HC00A High-speed CMOS Quad 2-input NAND74HC02 High-speed CMOS Quad 2-input NOR74ALS04 Advanced low-power Schottky TTL Hex inverter74LS11 Low-power Schottky TTL Triple 3-input AND 74F20 FAST ... transform any gate from an AND- shaped to an OR-shaped gate and vice versa. Digital signal (or pulse waveform) A series of 0s and 1s plot-ted over time.Distinctive-shape symbols Graphic symbols ... both distinctive-shape and rectangular-outline symbols.2. 15 Repeat Problem 2.14 for a 4-input NOR gate.2.16 State the active levels of the inputs and outputs of aNAND gate and a NOR gate.2.17...

... Time RS=0Ω (Figure 5 )12 .5 ␮sFrom ALEtH1,tH0OE Control to Q Logic State CL= 50 pF, RL=10k (Figure 8) 1 25 25 50 ns 25 50 ns 250 nst1H,t0HOE Control to Hi-Z CL=10 pF, RL=10k ... classes of circuits. An analog-to -digital con-verter accepts an analog voltage or current at its input and produces a corresponding digi-tal code. A digital- to-analog converter generates a ... a 4-bitconverter (1 LSB ϭ 1/16 FS), the maximum output is (FSϪ 1/16 FS) ϭ 15/ 16 FS. For an 8-bit converter (1 LSB ϭ1/ 256 FS), the maximum output is (FS Ϫ 1/ 256 FS) ϭ 255 / 256 FS.IIan=digital...

... 1/64ϭ 45/ 64ϭ 0.7031 25 10❘❙❚Fractional-Decimal-to-Fractional-Binary ConversionSimple decimal fractions such as 0 .5, 0. 25, and 0.3 75 can be converted to binary fractionsby a sum-of-powers ... decimal numbers to binary. Use thesum-of-powers-of-2 method for parts a, c, e, and g. Usethe repeated-division-by-2 method for parts b, d, f, and h.a. 75 10e. 6310b. 8310f. 6410c. 23710g. ... Ͼ 1 75 Ͼ (10 ϫ 16)16 11 75 Ϫ (A ϫ 16) ϭ 1 75 Ϫ 160 ϭ 15 16 11 75 Ϫ ((A ϫ 16) ϩ (F ϫ 1))ϭ 1 75 Ϫ (160 ϩ 15) ϭ 0❘❙❚Repeated Division by 16Repeated division by 16 is a systematic decimal-to-hexadecimal...

... and POS Networks inFigure 3. 35 ABC Y000 1001 0010 0011 1100 1101 0110 0111 0FIGURE 3. 35 Unsimplified SOP and POS NetworksThe sum-of-products and product-of-sums expressions represented ... one cell of the circled pair, and B is a coordinate of the other. (Dis-card B/Bෆ.)Y ϭ AෆThree- and Four-Variable MapsRefer to the forms of three- and four-variable Karnaugh maps shown ... lengths❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚ 57 ❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚❘❙❚ CHAPTER 3Boolean Algebra and Combinational LogicOUTLINE3.1 BooleanExpressions, LogicDiagrams, and TruthTables3.2 Sum-of-Products(SOP) and Product-of-Sums (POS) Forms3.3...

... process used by CPLD design software to inter-pret design information (such as a drawing or text file) and cre-ate required programming information for a CPLD. Complex PLD (CPLD) A digital device ... interpreted by design software to generate programming in-formation for the CPLD. Compile The process used by CPLD design software to interpret design informa-tion (such as a drawing or text file) and ... othersimilar CPLD. One such board is available from Intectra Inc. For further informa-tion, contact Intectra at:Intectra, Inc2629 Terminal BlvdMountain View, CA 94043 U.S.A.Ph 65 0-9 6 7-8 818 Fx 65 0-9 6 7-8 836intectra@best.comwww.intectra.com...

... Write Ϫ1610a. As an 8-bit 2’s complement numberb. As a 5- bit 2’s complement number(8-bit numbers are more common than 5- bit numbers in digital systems, but it is use-ful to see how we must ... the 16’s complement ofEA54. Try it.❘❙❚ EXAMPLE 6.16 Subtract 8B63 Ϫ 55 D7 using the complement method.SOLUTION Find the 16’s complement of 55 D7.FFFFϪ 55 D7AA28 ( 15 s complement)ϩ 1AA29 ... number.❘❙❚ EXAMPLE 6. 15 Negate the hex number 15AC by calculating its 16’s complement.SOLUTIONFFFFϪ 15ACEA53 ( 15 s complement)ϩ 1EA54 (16’s complement)The original value, 15AC, can be restored...