Alinco DR-150T, Руководство по обслуживанию, Страница: 9 / 45

S E M I C O N D U C T O R D A T A
1) AT24C08-10SI-2.7 (XA0367)
E E P R O M 1 0 2 4 x 8 B i t
NCI----
1 14 Z D N C
Pin
Names
AO
CZ
2
13 — 1 Vcc
AO-A2
SDA
Address inputs
Serial Data
A1 C Z 3
A
T
2
4
C
0
8
12 Z D TEST
SCL
TEST
Serial Clock
Hold at Vss
NCIZZ 4 11 IZ lN C
Vss
Vcc
Ground
+5V
A2 C H 5
10 ZZISCL
Vss C Z 6 ■
9 = IS D A
NCI—
7 8 ZZ1NC
2) BU4094BF (XA0246)
8 - S t a g e S h i f t R e g i s t e r
Function Table
Clock
Output
enable
Strobe Data
Parallel outputs Serial outputs
Q1 Qn Qs Q's
_
r ~
L X X 2 2 Q7 No Chg.
—L -
L X X Z Z No Chg. Qs
_ r ~
H
L
X
No Chg.
No Chg. Q7
No Chg.
_
r ~
H H L L Qn-1 Q7 No Chg.
H H H H Qn-1 Q7 No Chg.
^
—
H
X
X No Chg. No Chg. No Chg. Qs
Z=High Impedance
X= Don't Care
Vdd
Output
Enable
Block Diagram
Q1 PARALLEL
qs
OUTPUT
SERIAL
OUTPUT