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參數(shù)資料
| 型號： | LC75741W |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | 1/2 Duty VFD Driver for Frequency Displays(用于電子調(diào)諧頻率顯示的1/2占空VFD顯示驅(qū)動器) |
| 中文描述： | 1 / 2占空比VFD驅(qū)動頻率顯示器（用于電子調(diào)諧頻率顯示的1 / 2占空變頻顯示驅(qū)動器） |
| 文件頁數(shù)： | 4/10頁 |
| 文件大?。?/td> | 157K |
| 代理商： | LC75741W |
Block Diagram
Pin Functions
No. 4965-4/10
LC75741E, 75741W
Pin
Pin No.
I/O
Function
V
FL
V
DD
V
SS
OSCI,
OSCO
3
—
Driver block power supply. A voltage of between 8.0 and 18.0 V must be supplied.
60
—
Logic block power supply. A voltage of between 4.5 and 5.5 V must be supplied.
57
—
Power supply. Must be connected to ground.
59
58
I/O
Oscillator connections. An oscillator circuit is formed by connecting an external resistor and capacitor at these pins.
Display off control input
BLK = low (V
SS
): Display off (S1 to S53, G1 and G2 = low)
BLK = high (V
DD
): Display on
Note that serial data transfers are still allowed when display is turned off using this pin.
BLK
61
I
CL
63
Serial data transfer inputs. Connect to the system microcontroller.
CL: Synchronization clock
DI: Transfer data
CE: Chip enable
DI
64
I
CE
62
G1, G2
1, 2
O
Digit outputs. The frame frequency f
O
is f
OSC
/4096 Hz.
Segment outputs for displaying the display data transferred by serial data input.
S1 to S53
56 to 4
O
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| LC7574NW | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:1/2 Duty VFD Driver for Frequency Display |
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