74ABT821 查看數據表（PDF） - NXP Semiconductors.
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74ABT821 Datasheet PDF : 16 Pages
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NXP Semiconductors
74ABT821
10-bit D-type flip-flop; positive-edge trigger; 3-state
6. Functional description
6.1 Function table
Table 3.
Input
OE
L
L
L
H
H
Function table[1]
CP
↑
↑
NC
NC
↑
D0 to D9
l
h
X
X
Dn
Internal register
L
H
NC
NC
Dn
Output
Q0 to Q9
L
H
NC
Z
Z
[1] H = HIGH voltage level;
h = HIGH voltage level one set-up time prior to the LOW-to-HIGH clock transition;
L = LOW voltage level;
I = LOW voltage level one set-up time prior to the LOW-to-HIGH clock transition;
NC = no change;
X = don’t care;
Z = high-impedance OFF-state;
↑ = LOW-to-HIGH clock transition.
Operating mode
load and read
register
hold
disable outputs
74ABT821_3
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 03 — 25 February 2010
© NXP B.V. 2010. All rights reserved.
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