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參數(shù)資料
| 型號： | M494 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | SINGLE-CHIP VOLTAGE TUNING SYSTEM WITH 4 ANALOG CONTROLS AND mP INTERFACE |
| 中文描述： | 單片電壓調(diào)整系統(tǒng)，4模擬控制和MP接口 |
| 文件頁數(shù)： | 2/22頁 |
| 文件大?。?/td> | 223K |
| 代理商： | M494 |
1
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7
8
9
10
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12
40
39
38
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36
35
34
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32
31
30
29
28
27
26
25
13
14
15
16
17
18
19
20
24
23
22
21
D4
D3
D2
D1
D0
OPTION SELECT
DISPLAY DRIVE
h + i
g
f
e
d
c
b
a
AV0
AV1
MEMORYTIMING
V
PP
V
SS
V
DD
UHF
CATV
VHF 1
VHF 3
OSC. OUT
OSC. IN
TUNING
CONTRAST
MS 0
MS 1
BRIGHTNESS
TEST 1
DATA HANDSHAKE
STANDBY
AFC DEFEAT
FB/SYNC COINCIDENCE
REMOTE CONTROL
VOLUME
SATURATION
4
PINCONNECTIONS
ABSOLUTE MAXIMUM RATINGS
Symbol
V
DD
V
PP
V
I
V
O(off)
I
OL
Parameter
Value
– 0.3 to 7
– 0.3 to 26
– 0.3 to 15
15
Unit
V
V
V
V
Supply Voltage
Memory Supply Voltage
Input Voltage
Off State Input Voltage
Output Low Current
LED Driver Outputs :
pin h + i
All other Outputs
Max. Delay between Memory Timing & Memory Supply Pulses
Total Package Power Dissipation
Storage Temperature
Operating Temperature
Capacitance on OptionSelect Pin
Resistance on Option Select Pin
Capacitance on data outputs & keyboard inputs when lines are
connected by a keyboard switchclosure
Series Resistance of Single Keyboard Switch
Capacitance on Data Handshake Pin
pin a-g
20
35
5
5
1
mA
mA
mA
μ
s
W
°
C
°
C
pF
k
pF
t
PD
P
tot
T
stg
T
op
C
os
R
os
C
dk
– 25 to + 125
0 to + 70
100
1
150
R
k
C
rts
10
50
k
pF
Stresses above those under ”Absolute Maximum Ratings” may causes permanent damage to the device. This is a stress rating only and
functional operation of the device at theseor any other conditions above those indicated in the operational sections of this specification is not
implied. Exposure to absolute maximum rating conditions for extended periodsmay affect device reliability.
4
M494
2/22
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