74HC564 Ver la hoja de datos (PDF) - NXP Semiconductors.
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74HC564 Datasheet PDF : 19 Pages
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Philips Semiconductors
74HC564
Octal D-type flip-flop; positive-edge trigger; 3-state; inverting
6.2 Pin description
Table 3:
Symbol
OE
D0
D1
D2
D3
D4
D5
D6
D7
GND
CP
Q7
Q6
Q5
Q4
Q3
Q2
Q1
Q0
VCC
Pin description
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
7. Functional description
Description
3-state output enable input (active LOW)
data input 0
data input 1
data input 2
data input 3
data input 4
data input 5
data input 6
data input 7
ground (0 V)
clock input (LOW-to-HIGH, edge-triggered)
3-state flip-flop output 7
3-state flip-flop output 6
3-state flip-flop output 5
3-state flip-flop output 4
3-state flip-flop output 3
3-state flip-flop output 2
3-state flip-flop output 1
3-state flip-flop output 0
positive supply voltage
7.1 Function table
Table 4: Function table [1]
Operating mode Input
Internal
OE
CP
Dn
flip-flop
Load and read
L
↑
l
L
register
h
H
Load register and H
↑
l
L
disable output
h
H
[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;
l = LOW voltage level one set-up time prior to the LOW-to-HIGH CP transition;
Z = high-impedance OFF-state;
↑ = LOW-to-HIGH clock transition.
Output
Qn
H
L
Z
Z
9397 750 13814
Product data sheet
Rev. 03 — 11 November 2004
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
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