National-Semiconductor-MM74C85.pdf
需积分: 5 101 浏览量
2022-11-29
13:04:47
上传
评论 4
收藏 108KB PDF 举报
TL/F/5886
MM54C85/MM74C85 4-Bit Magnitude Comparator
September 1989
MM54C85/MM74C85 4-Bit Magnitude Comparator
General Description
The MM54C85/MM74C85 is a four-bit magnitude compara-
tor which will perform comparison of straight binary or BCD
codes. The circuit consists of eight comparing inputs (A0,
A1, A2, A3, B0, B1, B2, B3), three cascading inputs (A
l
B,
A
k
B and A
e
B), and three outputs (A
l
B, A
k
B and
A
e
B). This device compares two four-bit words (A and B)
and determines whether they are ‘‘greater than,’’ ‘‘less
than,’’ or ‘‘equal to’’ each other by a high level on the appro-
priate output. For words greater than four-bits, units can be
cascaded by connecting the outputs (A
l
B, A
k
B, and
A
e
B) of the least significant stage to the cascade inputs
(A
l
B, A
k
B and A
e
B) of the next-significant stage. In
addition the least significant stage must have a high level
voltage (V
IN(1)
) applied to the A
e
B input and low level
voltage (V
IN(0)
) applied to A
l
B and A
k
B inputs.
Features
Y
Wide supply voltage range 3.0V to 15V
Y
Guaranteed noise margin 1.0V
Y
High noise immunity 0.4 V
CC
(typ.)
Y
Low power fan out of 2
TTL compatibility driving 74L
Y
Expandable to ‘N’ stages
Y
Applicable to binary or BCD
Y
Low power pinout: 54L85/74L85
Logic Diagram
TL/F/5886–1
C
1995 National Semiconductor Corporation RRD-B30M105/Printed in U. S. A.
资源评论
不觉明了
- 粉丝: 3117
- 资源: 5348
最新资源
- 筷手引流工具.apk
- 论文(最终)_20240430235101.pdf
- 基于python编写的Keras深度学习框架开发，利用卷积神经网络CNN,快速识别图片并进行分类
- 最全空间计量实证方法（空间杜宾模型和检验以及结果解释文档）.txt
- 5uonly.apk
- 蓝桥杯Python组的历年真题
- 2023-04-06-项目笔记 - 第一百十九阶段 - 4.4.2.117全局变量的作用域-117 -2024.04.30
- 2023-04-06-项目笔记 - 第一百十九阶段 - 4.4.2.117全局变量的作用域-117 -2024.04.30
- 前端开发技术实验报告：内含4四实验&实验报告
- Highlight Plus v20.0.1
资源上传下载、课程学习等过程中有任何疑问或建议，欢迎提出宝贵意见哦~我们会及时处理！
点击此处反馈
