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參數(shù)資料
| 型號： | LC7267 |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | Digital Display of Clock/Receiving Frequency for Radio Set Applications(用于收音機(jī)時(shí)鐘/接收頻率數(shù)字顯示) |
| 中文描述： | 數(shù)字顯示時(shí)鐘/接收頻率為收音機(jī)應(yīng)用（用于收音機(jī)時(shí)鐘/接收頻率數(shù)字顯示） |
| 文件頁數(shù)： | 2/10頁 |
| 文件大?。?/td> | 144K |
| 代理商： | LC7267 |
Specifications
Absolute Maximum Ratings
at V
SS
= 0 V
Parameter
Symbol
V
DD
max
V
IN
V
O
1
V
O
2
Pd max
Conditions
Ratings
–0.3 to +11
–0.3 to V
DD
+0.3
–0.3 to V
DD
+0.3
Unit
V
V
V
V
mW
Maximum supply voltage
Input voltage
Output voltage
X
OUT
Output pins other than X
OUT
, output : off
Ta
%
65°C
0 to 15
550
Allowable power
dissipation
Allowable power
dissipation of segment
outputs
Pd seg 1
Pd seg 2
Pd seg 3
PM V
DD
= 4.5 to 6 V, I
OL
= 50 mA
b&e V
DD
= 4.5 to 6 V, I
OL
= 33 mA
Other outputs V
DD
= 4.5 to 6.5 V,
I
OL
= 16.5 mA
PM V
DD
= 6.0 to 10 V, I
OL
= 54 mA
b&e V
DD
= 6.0 to 10 V, I
OL
= 36 mA
Other outputs V
DD
= 6.0 to 10 V,
I
OL
= 18 mA
35
30
15
mW
mW
mW
Pd seg 4
Pd seg 5
Pd seg 6
38
25
13
mW
mW
mW
Operating temperature
Storage temperature
Topr
Tstg
–30 to +65
–40 to +125
°C
°C
Allowable Operating Conditions
at Ta = 25°C, V
SS
= 0 V, V
DD
= 4.5 to 10 V
Parameter
Symbol
V
DD
V
IH
1
V
IH
2
Conditions
min
typ
max
Unit
V
V
V
Supply voltage
4.5
10
Input high-level voltage
INHI, CTR/CLK, DEMAND
SET, FM/AM
FIF1, FIF2, FIF3
AIF1, AIF2, 12H/24H
INHI, CTR/CLK, DEMAND
SET, FM/AM
FIF1, FIF2, FIF3
AIF1, AIF2, 12H/24H
0.8V
DD
0.85V
DD
V
DD
V
DD
V
IH
3
0.9V
DD
V
DD
V
Input low-level voltage
V
IL
1
V
IL
2
0
0
0.2V
DD
0.15V
DD
V
V
V
IL
3
0
0.1V
DD
V
Input medium-level
voltage
V
IM
SET
0.45V
DD
0.55V
DD
V
Input frequency
f
IN
1
f
IN
2
f
IN
3
FMI, sine wave, capacitive coupling, V
IN
1 = 0.7Vp-p
AMI, sine wave, capacitive coupling, V
IN
2 = 0.5Vp-p
XIN, sine wave, capacitive coupling, V
IN
3 = 1Vp-p
FMI, sine wave, capacitive coupling,
f
IN
1 = 1 to 18 MHz
AMI, sine wave, capacitive coupling,
f
IN
2 = 0.5 to 3 MHz
XIN, sine wave, capacitive coupling,
f
IN
3 = 0.2 to 7.5 MHz
PM
b&e
Other outputs seg
1
18
MHz
MHz
MHz
0.5
0.2
3
7.5
Input amplitude
V
IN
1
0.7
0.9V
DD
Vp-p
V
IN
2
0.5
0.9V
DD
Vp-p
V
IN
3
1.0
0.9V
DD
Vp-p
Segment current
Iseg 1
Iseg 2
Iseg 3
45
30
15
mA
mA
mA
Electrical Characteristics
at V
DD
= 4.5 to 10 V, V
SS
= 0 V
Parameter
Symbol
Conditions
min
typ
max
Unit
Input high-level current
I
IH
1
FIF1 to FIF3, AIF1 to AIF2, SET, FM/AM, 12H/24H
CTR/CLK, V
I
= V
DD
INHI, V
I
= V
SS
DEMAND, V
I
= V
DD
FIF1 to FIF3, AIF1 to AIF2, SET, FM/AM, 12H/24H,
CTR/CLK, V
I
= V
SS
INHI, V
I
= open
DEMAND, V
I
= open
0
10
μA
I
IH
2
I
IH
3
40
40
1000
1000
μA
μA
Input low-level current
I
IL
–10
0
μA
Input floating voltage
V
IF
1
V
IF
2
0
0
0.2
V
V
0.1V
DD
Continued next page.
LC7267
No. 1511- 2/10
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