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74HC273D 参数 Datasheet PDF下载

74HC273D图片预览
型号: 74HC273D
PDF下载: 下载PDF文件 查看货源
内容描述: 八路D型触发器与复位;正边沿触发 [Octal D-type flip-flop with reset; positive-edge trigger]
分类和应用: 触发器
文件页数/大小: 8 页 / 62 K
品牌: PHILIPS [ NXP SEMICONDUCTORS ]
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Philips Semiconductors
Product specification
Octal D-type flip-flop with reset;
positive-edge trigger
FUNCTION TABLE
OPERATING
MODES
reset (clear)
load “1”
load “0”
Note
74HC/HCT273
INPUTS
MR
L
H
H
CP
X
D
n
X
h
I
OUTPUTS
Q
n
L
H
L
1. H = HIGH voltage level
h = HIGH voltage level one set-up time prior to the
LOW-to-HIGH CP transition
L = LOW voltage level
I = LOW voltage level one set-up time prior to the
LOW-to-HIGH CP transition
= LOW-to-HIGH transition
X = don’t care
Fig.4 Functional diagram.
Fig.5 Logic diagram.
September 1993
4