HD74HC259 Просмотр технического описания (PDF) - Hitachi -> Renesas Electronics
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HD74HC259 Datasheet PDF : 8 Pages
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HD74HC259
Select Inputs
C
B
A
Latch Addressed
L
L
L
0
L
L
H
1
L
H
L
2
L
H
H
3
H
L
L
4
H
L
H
5
H
H
L
6
H
H
H
7
Notes: 1. D: the level at the data input
2. Qio: the level of Qi (i = 0, 1, ···7, as apropriate) before the indicated steady-state input conditions
were established.
Pin Arrangement
Latch
select
A1
B2
C3
Q0 4
Outputs
Q1 5
Q2 6
Q3 7
GND 8
A
B
CLR
C
G
Q0
D
Q1
Q7
Q2
Q6
Q3 Q4 Q5
16 VCC
15 Clear
14 Enable
13
Data
input
12 Q7
11 Q6
10 Q5
Outputs
9 Q4
(Top view)
2
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