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參數(shù)資料
| 型號(hào)： | 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)： | 3/10頁 |
| 文件大?。?/td> | 144K |
| 代理商： | LC7267 |
Continued from preceding page.
Parameter
Symbol
V
OL
1
V
OL
2
V
OL
3
I
OFF
Conditions
min
0
0
0
0
typ
max
1.0
1.0
1.0
10
Unit
V
V
V
μA
Output low-level voltage
PM V
DD
= 4.5 to 10 V, I
OL
= 45 mA
b&e V
DD
= 4.5 to 10 V, I
OL
= 30 mA
Other outputs seg, V
DD
= 4.5 to 10 V, I
OL
= 15 mA
All segments output pins, V
OUT
= 13 V
FM mode, FM/AM = V
DD
, f
IN
1 = 18 MHz, 0.7Vp-p
(or AM mode, FM/AM = V
SS
, f
IN
2 = 3 MHz, 0.5Vp-p)
f
IN
3 = 7.2 MHz, 1Vp-p,
FIF1, FIF2, FIF3 = V
DD
AIF1, AIF2 = V
DD
12H/24H, CTR/CLK, INHI, DEMAND = V
DD
Output off leakage current
Current drain
I
DD
18
mA
Pin Assignment
Configuration and Display Font
4 or 4-1/2-digit segment LED’s are used to display time and frequency in the display font shown below.
Lighting System
Static lighting
Display Range
.
Frequency (MW, LW)
.
Frequency (FM)
.
Clock (12-hour)
.
Clock (24-hour)
000 kHz to 1999 kHz (The highest-order digit ‘‘0’’ is blanked out.)
00.00 MHz to 199.95 MHz (The highest-order digit ‘‘0’’ is blanked out.)
PM 12:00 to PM 11:59
→
12:00 to 11:59
↑
0:00 to 23:59 (The highest-order digit ‘‘0’’ is blanked out.)
Pin Description
.
a to g, PM, b&e: LED driver pin
Font
LC7267
No. 1511- 3/10
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