Block Diagrams Of Ic's - JVC TK-C720TPU Service Manual

3.15

BLOCK DIAGRAMS of IC'S

AK6420AM-X [ASAHIKASEI]
(2048 bits (128 Words X 16 bits) EEPROM)
AN8085M-X [MATSUSHITA]
(REG Servo)
CXA2006Q [SONY]
(Digital CCD Camera Head Amplifier)
BA10358F-XE [ROHM]
(Dual Ground Sense Op.Amp.)
3-10 3-10
CD74HC4053PW-X [TEXAS INSTRUMENTS]
(Analog Multiplexers/Demultiplexers)
TRUTH TABLE
B1 1 16 V
CC
CHANNEL
B0 2 15 ENABLE
B COM OUT/IN
N
IN/OUT
L
C1 3 14 A COM OUT/IN
N
L
COM OUT/IN C 4 13 A1 L
N
CHANNEL
L
IN/OUT
IN/OUT C0 5 12 A0
L
E 6 11 S0
L
L
V 7 10 S1
EE
L
GND 8 9 S2
H
X = Don't care
(TOP VIEW)
FUNCTIONAL DIAGRAM
IN/OUT
BINARY TO
V CC
1 OF 2
C 1 C 0 B 1 B 0 A 1 A 0
LOGIC LEVEL DECODERS
16
CONVERSION WITH ENABLE 3 5 1 2 13
S 0 11
S 1
10
S 2
9
E
6
8 7
GND V EE
INPUT STATES
"ON"
CHANNELS
S 0 S 1 S 2
L L L C0, B0, A0
H L L C0, B0, A1
L H L C0, B1, A0
H H L C0, B1, A1
L L H C1, B0, A0
H L H C1, B0, A1
L H H C1, B1, A0
H H H C1, B1, A1
X X X None
12
TG
A COMMON
14
OUT/IN
TG
TG
B COMMON
15
OUT/IN
TG
TG
C COMMON
4
OUT/IN
TG