SSIMSILSIVLSI SSI()MSI()LSIVLSI()

7.1 7.1.1

1T692 T692

()

T693 2 T693 i

i=12344 C1C4PiGiC0 Ci=f(Pi,Gi,C0),PiGi AiBiAiBiC0C1C4PiGiC0C1C4

T692T693 1 A4A3A2A1 ------- B4B3 B2B1 ------- F4 F3 F2 F1 ------- C0 ------- ------------------- FC4 -------------------------

2

1 484213 33842134842134A4A3A2A18421B4B3B2B1 0011C00F4F3F2F184213

2 44/ A = a4a3a2a1 ----- () B = b4b3b2b1 ----- () S = s4s3s2s1 ----- () M------------- .M=0A+BM=1A-B

44

3 4AB, A = a3a2a1 , B = b2b1 0215Z5 Z4 Z3 Z2 Z1

1 aibj(i= 123j = 12) 614

4 431 33 33 4 13

7.1.2 (Decoder)(Encoder) -

1 n2n () 1 n2n 2 ) () ()

MSI2-4(24)3-8(38)4-16(416) (a)(b)T41383-8 (3)

T4138

2- 4BCD1010

:() 3 74LS470101516A3A2A1A04QaQbQcQdQeQfQgabcdefg (74LS47)

(a)(b)01516

1 T4138 AiBiGi-1DiGi 4

2 F(A,B,C,D)=m(2,4,6,8,10,12,14) 44-16 3-8

: -(-BCD) 1- (1) 094BCD

10104BCD (2) - 84218421

2 (1) -

I0I78QAQBQC38-3 (2) (a)(b)MSI74LS148 I0I7QAQBQC I0I7 I0I2I3I5I71I1I4I60I6QCQBQA = 001I1I4

ISOSOEX IS()IS = 0OS(IS=0)OS0OEX(IS=1)(IS=0)(I0I71),OEX1(I0I70)OEX0

74LS148

IZ15IZ0-------16 QZDQZCQZBQZA------ IZS------------- OZS ------------ OZEX------------- 74LS14816 3

74LS14874LS148 IZSISIZS0 IZ15IZ8OS1OEX0OSIS18 IZ15IZ8OEX(QZD)QCQBQA1OS0IS0IZ7IZ0IZSOZSOZEX74LS148ISOSOEX

7.1.3 (Multiplexer)MUX

1 (1) 2nn (2)

2 MSI4816 (1)T580

(2)T580 (3) T580 miA1A0Dii01

miAn-1An-2A1A0Di2ni01 3 (1) nn

nMUXnmiMUXDi1Di0 1 F(A,B,C)=m(2,3,5,6) 8 ABC88D0=D1=D4=D7=0D2=D3=D5=D6=1

8 8 nn

W=FA2=A,A1=B,A0=CD0=D1=D4=D7=0D2=D3=D5=D6=1

(2)nn+1 2 4 F(A,B,C)=m(2,3,5,6)

32 ABA1A0F

(b) ACA1A0F (C)

MUX (3) nn+1 3 44 F(A,B,C,D)=m(1,2,4,9, 10,11,12,14,15) 442MUX

AB AB(a) AB42CD Di Di

(a)1()Di

(b)44 BC(AD)(c) BC

(d)BC nMUXm(m-n2)MUXDi22Di

ABMUXA1A0F1F2 3 T58044 F1(A,B,C,D)=m(0,1,5,7,10,13,15) F2(A,B,C,D)=m(8,10,12,13,15)

DiT5801W=F12W=F2 F1F2

(Demultiplexer)DEMUX 4 DA1 A0f0 f3

MSI 8ABCDifi(i=07)

3ABCXYZABCXYZ 4 83-83 ABC=XYZF=0F=1

7.2.1 1 7.2

2 (1) (2) (3) / 3

1T4193 ---T4193 T4193(a)(b)

2 T4193

3

116 16 T419310 Q3Q2Q1Q0 = 0000 T4193 T419316T41931616

T419310

T4193(147)10 (0)10(146)10(146)10(147)10(10010011)2 (0)10 T4193(147)10 216 416

(147)10

T11944 7.2.2

1T1194 T1194

2

3 T1194

1 T11944Q0Q1Q2Q3 T1194D0D1D2D31100DRQ3

MBMA111100MBMA014

2 T119410011001 p()n 2n p p=8 n3n=3

Z=a7a6a5a4a3a2a1a0 ,(p=8) a7a6a5=100Q2Q1Q0=100,Q2a4a3a2a1a0a7a6a5DR

T1194 MBMAT1194Q2Q1Q0 =100Z

7.3.1 555 555 5G555(TTL)CC7555(CMOS)5G555 7.3 555A\DD\A

5G555 1 (1) 5G555(a)(b) (2) 5G555R-S C1C2R-ST .

35kC1C2UR1UR2 COuco CO(0.01F)

C1C2 C1C2U+U-1U+U-0 C1 U+UR1U-THRuTHUR1 UR1uTHR1 UR1uTHR0

G3

25G555 (1)5G555 CO5G555

(2) 5G555 CO5G555

5G555 5G555 15G555

(1) 5G555(a)(b)

C

(b)

(2) TW TW tH + tL 0.7(R1+2R2)C

(3) R1R2Q RWD1D2RWQ

RWR1R1RAR2R2RBUCCRAD1CCD2RB5G555TRWRARB tH 0.7RA C tL 0.7RB C

25G555 (1)

UT+ ui UT- uiUTUT+ UT-() UT = UT+ - UT-

(2) 5G555 5G555 (a)(b)

ui0

(b) defa

(a) ui=UT+ , uo=UOL ; ui=UT- , uo=UOH

UT(b)

UT+(c) UT+

7.3.2 D/A

D/A/D/ADAC(Digital to Analog Converter) A/D/A/DADC(Analog to Digital Converter)

1 D/A D/A

(a)4D/A(b)

2 D/A (1) 810

(2) D/A ALSB (3) (4)

1 D/AD/AR-2RD/AR-2RD/A 2 CMOSD/AD/ACMOS D/A D/AD/A

3 D/AD/A D/AD/AD/AD/AD/A

----D/ADAC0832 DAC0832CMOS8D/A20 1 8 1s D/A8101216

2 DAC0832(a)(b)

(1) DAC083281T8D/A3 8ENEN=1()EN=0() (2) DAC083220 D7D0D7D0

UR+10V-10V UCC+5V+15V+15V IOUT1IOUT2IOUT1IOUT2 RfbRfbIOUT1Rfb AGND DGND

3

DAC08323

: D/AILE140 DAC0832

DAC0832DAC0832D/A 4 D/A

7.3.3 A/D A/D

ULSB (BCD) A/DA/D

A/D A/DA/D 1A/D A/D4 20ns n2n-1n=8 28-1=255A/D

2A/D A/DADCD/A 3A/D A/DA/D :.

A/D 1 () 2 3 A/D

A/D---ADC0809 A/D8101216ADC0809A/D 1 8 100s 1LSB +5V15mW 2ADC0809 ADC0809CMOSA/D28

(1) ADC0809(a)(b) 8

(2) 88 88 256RD/A OE

(3) ADC080928 IN0IN78 ABCCBA=000IN0CBA=001IN1 CBA=111IN7 ALE

START CLK D0D7: D7 OE UREF(+)UREF(-) ADC0809A/D

7.1 2 84217.2 84211 7.3 4-161 24217.4 48421

7.6 T1194 00011101

7.7 7.405G555 1. 2.50%7.9 DAC121012D/A 7.10 ADC08098 7.8 5G5557.41(a) 7.41(b)

7.8 5G5557.41(a) 7.41(b)

7.9 DAC121012D/A 7.10 ADC08098