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參數(shù)資料
| 型號： | STM86312 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | 1/4 TO 1/11-DUTY VFD CONTROLLER/DRIVER |
| 中文描述： | 1 / 4轉(zhuǎn)到1/11-DUTY變頻控制器/驅(qū)動(dòng)器 |
| 文件頁數(shù)： | 3/16頁 |
| 文件大小： | 434K |
| 代理商： | STM86312 |
STM86312
3/16
Table 1: Pin Description
Table 2: Absolute Maximum Ratings
(T
A
= 25°C, V
SS
= 0V)
Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these condition is
not implied.
Table 3: Thermal Data
PlN N°
SYMBOL
NAME AND FUNCTION
1, 2, 3, 4
SW1, SW2,
SW3, SW4
General-purpose switch inputs.
5
D
OUT
Output serial data at falling edge of the shift clock, starting from lower bit. This
is N-ch open-drain output pin.
Input serial data at rising edge of the shift clock, starting from lower bit.
Reads serial data at rising edge, and outputs data at falling edge.
Initializes serial interface at rising or falling edge to make STM86312 waiting
for reception of command. Data input after STB has fallen are processed as a
command. While command data are processed, current processing is stopped,
and the serial interface is initialized. While STB is high, CLK is ignored.
Input data to these pins are latched at end of the display cycle.
6
8
D
IN
CLK
9
STB
10, 11, 12, 13
KEY1, KEY2,
KEY3, KEY4
V
DD
SEG1/KS1 to
SEG6/KS6
14, 38
5V ± 10%.
Segment output pins (Dual function as key source).
15, 16, 17, 18,
19, 20
21, 22, 23, 24,
25
26, 28, 29, 30,
31
32, 33, 34, 35,
36, 37
39, 40, 41, 42
7, 43
27
44
SEG7 to SEG11
Segment output pins.
SEG12/GRID11 to
SEG16/GRID7
These pins are selectable for segment or grid driving.
GRID1 to GRID6
Grid output pins.
LED1 to LED4
SS
V
EE
OSC
CMOS outputs. +20 mA max.
Connect this pin to system GND.
Pull-down level. V
DD
- 35V max.
Connect to an external resistor.
Symbol
Parameter
Value
Unit
V
DD
V
EE
V
I
V
O2
I
O1
Logic Supply Voltage
Driver Supply Voltage
Logic Input Voltage
VFD Driver Output Voltage
LED Driver Output Current
VFD Driver Output Current
-0.5 to 7
V
V
V
V
V
DD
+0.5 to V
DD
-40
-0.5 to V
DD
+0.5
V
EE
-0.5 to V
DD
+0.5
25
-40 (Grid)
-15 (Segment)
-40 to 85
mA
I
O2
mA
T
A
Operating Ambient Temperature
°C
Symbol
Parameter
Value
Unit
R
Tj-c
Thermal Resistance Junction-Case
56
°C/W
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| STM86312_06 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:1/4 to 1/11-duty VFD controller/driver |
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