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74HC377D 参数 Datasheet PDF下载

74HC377D图片预览
型号: 74HC377D
PDF下载: 下载PDF文件 查看货源
内容描述: 八路D - FL型IP- FL运算与数据使能;正边沿触发 [Octal D-type flip-flop with data enable; positive-edge trigger]
分类和应用: 触发器逻辑集成电路光电二极管
文件页数/大小: 7 页 / 64 K
品牌: PHILIPS [ NXP SEMICONDUCTORS ]
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Philips Semiconductors
Product specification
Octal D-type flip-flop with data enable;
positive-edge trigger
FUNCTION TABLE
OPERATING
MODES
load “1”
load “0”
hold (do nothing)
Notes
74HC/HCT377
INPUTS
CP
X
E
l
l
h
H
D
n
h
l
X
X
OUTPUTS
Q
n
H
L
no change
no change
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 CP transition
X = don’t care
Fig.4 Functional diagram.
Fig.5 Logic diagram.
December 1990
4