JVC UX-A10DVD, Руководство по обслуживанию, Страница: 50 / 90

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UX-A10DVD
74VHC00MTC-X (IC455,503) :
NAND gate
1.Pin layout / Block diagram
2.Pin function
1
2
3
4
5
6
7
A
B
O
A
B
O
GND
0
0
0
1
1
1
14
13
12
11
10
9
8
V
A
B
O
A
B
O
CC
2
2
2
3
3
3
Truth Table
Pin Names
A B
n' n
function
On
Inputs
Outputs
A
L
L
H
H
B
L
H
L
H
O
H
H
H
L
74VHC74MTC-X (IC454) :
Dual D-type Flip-Flop with preset and clear
1.Pin layout / Block diagram
2.Pin function
CK
O
1
1
O1
1
1 5
PR CLR
D
D
O
2
2
O2
2
2 2
CLR PR
CK
1
2
3
4
5
6
7
CLR
D
CK
PR
Q
Q
GND
1
1
1
1
1
1
14
13
12
11
10
9
8
V
CLR
D
CK
PR
Q
Q
CC
2
2
2
2
2
2
Truth Table
Pin Names
D D
1' 2
CK CK
1' 2
PR PR
1' 2
Q Q Q Q
1' 1' 2 2
CLR CLR
1' 2
function
Data Inputs
Clock Pulse Inputs
Direct Clear Inputs
Direct Preset Inputs
Output
Note 1: This configurailon is nonstable; that is, it will not persist when pre-
set and clear inputs return to their inactive (HIGH) state.
CLR
L
H
L
H
H
H
PR
H
L
L
H
H
H
D
X
X
X
L
H
X
CK
X
X
X
Q
L
H
H(Note 1)
L
H
Qn
n
Q
H
L
H(Note 1)
H
L
Q
Function
Clear
Preset
No Change
Outputs Inputs
1
2
3
4
8
7
6
5
NC
VCC
CS
SK
NC
GND
DO
DI
2.Pin Functions
BR93LC66F-X (IC590):EEPROM
1.Terminal layout
Symbol
VCC
GND
CS
SK
DI
DO
I/O
-
-
I
I
I
O
Power supply
Connect to GND
Chip select input
Serial clock input
Start bit,OP-code,address,serial data input
Serial data output,
Internal state display output of READY/BUSY
Function