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參數資料
| 型號： | LC7267 |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PDIP42 |
| 封裝： | SDIP-42 |
| 文件頁數： | 4/10頁 |
| 文件大小： | 144K |
| 代理商： | LC7267 |
Continued from preceding page.
Parameter
Symbol
Conditions
min
typ
max
Unit
Output low-level voltage
VOL1PM VDD = 4.5 to 10 V, IOL =45mA
0
1.0
V
VOL2
b&e VDD = 4.5 to 10 V, IOL =30mA
0
1.0
V
VOL3
Other outputs seg, VDD = 4.5 to 10 V, IOL =15mA
0
1.0
V
Output off leakage current
IOFF
All segments output pins, VOUT =13V
0
10
A
Current drain
IDD
FM mode, FM/AM = VDD,fIN1 = 18 MHz, 0.7Vp-p
(or AM mode, FM/AM = VSS,fIN2 = 3 MHz, 0.5Vp-p)
fIN3 = 7.2 MHz, 1Vp-p,
FIF1, FIF2, FIF3 = VDD
AIF1, AIF2 = VDD
12H/24H, CTR/CLK, INHI, DEMAND = VDD
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)
000 kHz to 1999 kHz (The highest-order digit ‘‘0’’ is blanked out.)
.
Frequency (FM)
00.00 MHz to 199.95 MHz (The highest-order digit ‘‘0’’ is blanked out.)
.
Clock (12-hour)
PM 12:00 to PM 11:59
→ 12:00 to 11:59
↑
.
Clock (24-hour)
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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