上海电机学院数字电子技术基础教程答案 - 图文(8)

2019-03-16 19:47

（3）写标准与或表达式

?Y7??m(12,13,14,15)??Y6??m(8,9,10,11,14,15)??Y5??m(6,7,10,11,13,15)?Y?m(4,5,7,9,11,12)?4???Y3??m(3,5,11,13)??Y2??m(2,6,10,14)?Y?0?1??Y0??m(1,3,5,7,9,11,13,15)(4)画ROM存储矩阵结点连接图

7.6

CLKCREDQQ0CDQQ1CDQQ2CDQQ3CDQQ4CDQQ4CQC

图7-3 64进制计数器逻辑图7.7

第一片的存储容量为1K*4 地址范围是

A10 A9 A8 A7…A0

0 0 0 00000000 000H 0 1 1 11111111 3FFH 第二片的存储容量为1K*4 地址范围是

A10 A9 A8 A7…A0

1 0 0 00000000 400H 1 1 1 11111111 7FFH

CLK120VCCCRE219NCNC318Q5Q4NC417NC5GAL16V816Q3Q2NC615NC714Q1NC813Q0QCGND9121011OE图7-4 引脚配置图

7.8

Y1?ABC?ABD?ACD?BCD?ABCD?ABCD?ABCD?ABCD?ABCDY2?ABC?ABD?ACD?BCD?ABCD?ABCD?ABCD?ABCD?ABCDY3?ABCD?ABCDY4?ABCDEPROM的存储内容表如下。地址Ａ００００００００１１１１１１１１

Ｂ００００１１１１００００１１１１Ｃ００１１００１１００１１００１１Ｄ０１０１０１０１０１０１０１０１内容

Y1 0 0 0 0 0 0 0 1 0 0 0 1 0 1 1 1 Y2 1 1 1 0 1 0 0 0 1 0 0 0 0 0 0 0 Y3 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 Y4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 7.9

CPA0A1A2A3D0D1D2D3

图6-10 题6-10的波形图

7.10

表7-3 例7-3真值表

B3 B2 B1 0 0 0 0 0 0 0 0 1 0 0 1 0 1 0 0 1 0 0 1 1 0 1 1 1 0 0 1 0 0 1 0 1 1 0 1 1 1 0 G3 G2 G1 0 0 0 0 0 0 0 0 1 0 0 1 0 1 1 0 1 1 0 1 0 0 1 0 1 1 0 1 1 0 1 1 1 1 1 1 1 0 1 39

B3B2B1B011111 1 0 1 1 1 1 1 1 1 0 1 1 0 0 1 0 0 地与址门译阵码列器 W0W1 W2W3W4W5W6W7W8W9W10W11W12W13W14W15存或储门矩阵阵列

图6-2 例6-2 逻辑图G3G2G1G0

7-11

000H～01FH的存储器真值表 X的值地址内容 Y的值(十进（十进制数) A10A9 A8 A7 A6 A5 A4 A3 A2 A1 A0 D7D6D5D4D3D2D1D0 制数） 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 1 1 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 1 0 1 1 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 1 1 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 1 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 1 1 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 00 01 01 02 02 02 02 03 03 03 03 03 03 04 04 04 04 40

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