Semiconductor Data; Bu4094 - Alinco DJ-G1T Service Manual

SEMICONDUCTOR DATA

1) BU4094 (XA0246)
8-Stage Shift Register
Function Table
Output
Clock Strobe
enable
L X
s ~
L X
L
H
H H
H
H
H X
! k -
Z=High Impedance
X=Don't Care
Block Diagram
w
HZ 1
STROBE
\zz
2
DATA
cz
3
00
CLOCK
c
cz
4
Q 1
O
C O
-U
ÜZ
5
Q2
03
n
6
r z
Q3
cz
7
0 4
8
Vss
n z
Parallel outputs
Data Qn
Q 1
X Z Z
X Z Z
X No Chg. N o Chg.
L L Q n-l
H Qn-1
H
X No Chg. No Chg.
Q1 PARALLEL Q8
OUTPUT
= l
16 Vdd
z □
15
Output Enable
Z J
14
Q5
ZD
13
Q6
ZZ1
12
Q7
zz
11
Q 8
10 Q's
9 Qs
Serial outputs
Qs Q's
Q7 No Chg.
No Chg.
Qs
0 7 No Chg.
Q7 No Chg.
Q 7 No Chg.
No Chg.
Qs