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74HC374N 参数 Datasheet PDF下载

74HC374N图片预览
型号: 74HC374N
PDF下载: 下载PDF文件 查看货源
内容描述: 八路D - FL型IP- FL操作;正边沿触发;三态 [Octal D-type flip-flop; positive edge-trigger; 3-state]
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: 8 页 / 64 K
品牌: PHILIPS [ NXP SEMICONDUCTORS ]
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Philips Semiconductors
Product specification
Octal D-type flip-flop; positive edge-trigger;
3-state
FUNCTION TABLE
OPERATING
MODES
load and read
register
load register and
disable outputs
Notes
INPUTS
OE
L
L
H
H
CP
D
n
l
h
l
h
74HC/HCT374
INTERNAL
FLIP-FLOPS
L
H
L
H
OUTPUTS
Q
0
to Q
7
L
H
Z
Z
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
Z = high impedance OFF-state
= LOW-to-HIGH CP transition
Fig.4 Functional diagram.
Fig.5 Logic diagram.
December 1990
4