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1、2023/9/24,第九章 习题,1,9.3 试用ROM阵列图实现下列一组多输出逻辑函数,节目录,2023/9/24,第九章 习题,2,首先应将以上三个逻辑函数化成由最小项组成的标准“与-或”式,即,解:,或,节目录,2023/9/24,第九章 习题,3,采用有3位地址、3位数据输出的8字节3位ROM。将A、B、C 3个变量分别接至地址输入端A2A1A0。按逻辑函数要求存入相应数据,即可在数据输出端D0、D1、D2得到F1、F2和F3,其ROM 阵列如下图所示。,节目录,2023/9/24,第九章 习题,4,1,1,1,(D1),(D0),F2,F1,A,B,C,题 9.3 ROM 阵列,(D
2、2),F3,节目录,2023/9/24,第九章 习题,5,9.9 试用位扩展方法,将2片2564位的RAM组成一个2568位的RAM,画出电路图。,D0,D1,D2,D3,D4,D5,D6,D7,CS,R/W,A,A,0,7,L,0,A,7,A,2564(I),CS,R/W,A,A,0,7,L,2564(),题9.9 2564芯片位扩展,D0,D1,D2,D3,D0,D1,D2,D3,节目录,2023/9/24,第九章 习题,6,9.10 用2114构成2K8的静态存储器,画出逻辑图。,解:(1)确定芯片数:,(2)确定地址线数D,(3)用4片1K 4位2114RAM芯片,经字,位扩展构成的存
3、储电路如图题9.10所示。,2D=2048,D=11。,2023/9/24,第九章 习题,7,Protel 画图示例1/3,ADDR18.0,ADDR15,ADDR14,ADDR13,ADDR12,ADDR11,ADDR10,ADDR9,ADDR8,ADDR18,ADDR17,ADDR16,ADDR7,ADDR6,ADDR5,ADDR4,ADDR3,ADDR2,ADDR1,ADDR0,2023/9/24,第九章 习题,8,Protel 画图示例2/3,EPPD7.0,EPPD0,EPPD7,EPPD0,EPPD7,2023/9/24,第九章 习题,9,Protel 画图示例3/3,2023/9
4、/24,第九章 习题,10,CS,R/W,A1,A7,A9.0,2114(1),D0,D1,D2,D3,A6,A5,A3,A2,A4,A0,A9,A8,CS,R/W,A1,A7,2114(2),D0,D1,D2,D3,A6,A5,A3,A2,A4,A0,A9,A8,D7.0,CS,R/W,A1,A7,A9.0,2114(3),D0,D1,D2,D3,A6,A5,A3,A2,A4,A0,A9,A8,CS,R/W,A1,A7,2114(4),D0,D1,D2,D3,A6,A5,A3,A2,A4,A0,A9,A8,D7.0,A10,1,D7,D6,D5,D4,D7,D6,D5,D4,D3,D2,D1
5、,D0,D3,D2,D1,D0,题9.10 2114构成2K8图1/8,2023/9/24,第九章 习题,11,CS,R/W,A1,A7,A9.0,2114(1),D0,D1,D2,D3,A6,A5,A3,A2,A4,A0,A9,A8,CS,R/W,A1,A7,2114(2),D0,D1,D2,D3,A6,A5,A3,A2,A4,A0,A9,A8,D3.0,CS,R/W,A1,A7,A9.0,2114(3),D0,D1,D2,D3,A6,A5,A3,A2,A4,A0,A9,A8,CS,R/W,A1,A7,2114(4),D0,D1,D2,D3,A6,A5,A3,A2,A4,A0,A9,A8,D
6、7.4,A10,题9.10 2114构成2K8图2/8,2023/9/24,第九章 习题,12,CS,R/W,A9.0,2114(1),D0,D3,A0,A9,D7.0,A10,1,D7,D4,CS,R/W,2114(2),D0,D3,A0,A9,D3,D0,CS,R/W,A9.0,2114(3),D0,D3,A0,A9,D7.0,D7,D4,CS,R/W,2114(4),D0,D3,A0,A9,D3,D0,题9.10 2114构成2K8图3/8,2023/9/24,第九章 习题,13,CS,R/W,A9.0,2114(1),D0,D3,A0,A9,D3.0,A10,CS,R/W,2114(2
7、),D0,D3,A0,A9,CS,R/W,A9.0,2114(3),D0,D3,A0,A9,D7.4,CS,R/W,2114(4),D0,D3,A0,A9,题9.10 2114构成2K8图4/8,2023/9/24,第九章 习题,14,CS,R/W,A9.0,2114(1),D7.0,A10,1,CS,R/W,2114(2),A9.0,10,A9.0,10,D3.0,4,D3.0,4,8,CS,R/W,A9.0,2114(3),D7.0,CS,R/W,A9.0,10,A9.0,10,D3.0,4,D3.0,4,8,2114(4),10,10,D7.4,D3.0,D7.4,D3.0,题9.10
8、2114构成2K8图5/8,2023/9/24,第九章 习题,15,CS,R/W,A9.0,2114(1),D3.0,A10,CS,R/W,2114(2),A9.0,10,A9.0,10,D3.0,4,D3.0,4,4,CS,R/W,A9.0,2114(3),D7.4,CS,R/W,A9.0,10,A9.0,10,D3.0,4,D3.0,4,4,2114(4),10,10,题9.10 2114构成2K8图6/8,2023/9/24,第九章 习题,16,A10,D7,D0,D4,D3,A9,A0,题9.10 2114构成2K8图7/8,2023/9/24,第九章 习题,17,A10,D7,D0,D4,D3,A9,A0,题9.10 2114构成2K8图8/8,