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參數(shù)資料
| 型號： | ICM7243BlPLZ |
| 廠商： | Intersil Corporation |
| 英文描述： | 8-Character, Microprocessor-Compatible, LED Display Decoder Driver |
| 中文描述： | 8個字符，微處理器兼容，LED顯示驅動器解碼器 |
| 文件頁數(shù)： | 6/14頁 |
| 文件大小： | 545K |
| 代理商： | ICM7243BLPLZ |
6
FN3162.3
October 28, 2005
Performance Curves
FIGURE 4. SEGMENT CURRENT vs OUTPUT VOLTAGE
FIGURE 5. CHARACTER CURRENT vs OUPUT VOLTAGE
30
20
10
0
1
2
3
I
S
SEGMENT VOLTAGE (V)
V
DD
= 5.5V
4.5V
5.0V
0
I
C
V
DD
= 5.5V
4.5V
5.0V
0
1
2
3
SEGMENT VOLTAGE (V)
100
200
300
400
500
Pin Descriptions
SIGNAL
PIN
FUNCTION
ICM7243A(B)
D0 - D5
10 - 15
(8 - 13)
Six-Bit ASCll Data input pins (active high).
CS, CS
16
(14 - 16)
Chip Select from
μ
P address decoder, etc.
WR
17
WRite pulse input pin (active low). For an active high write pulse, CS can be used, and WR can be used
as CS.
MODE
31
Selects data entry MODE. High selects
Sequential Access (SA)
mode where first entry is displayed in
“l(fā)eftmost” character and subsequent entries appear to the “right”. Low selects the
Random Access
(RA)
mode where data is displayed on the character addressed via A0 - A2 Address pins.
A0/SEN
30
In
RA
mode it is the LSB of the character Address. In
SA
mode it is used for cascading devices for
displays of more than 8 characters (active high enables device controller).
A1/CLeaR
29
In
RA
mode this is the second bit of the address. In
SA
mode, a low input will CLeaR the Serial Address
Counter, the Data Memory and the display.
A2/DISPlay FULL
28
In
RA
mode this is the MSB of the Address. In
SA
mode, the output goes high after eight entries,
indicating DISPlay FULL.
OSC/OFF
27
OSCillator input pin. Adding capacitance to V
DD
will lower the internal oscillator frequency. An external
oscillator can be applied to this pin. A low at this input sets the device into a (shutdown) mode, shutting
OFF the display and oscillator but retaining data stored in memory.
SEG a - SEG m,
DP
2 - 9, 32 - 40
(2 - 7), (32 - 40)
SEGment driver outputs.
CHARacter 1 - 8
18 - 21,
23 - 26
CHARacter driver outputs.
ICM7243
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| ICM7244 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:8-Character, Microprocessor Compatible, 8-Character, Microprocessor Compatible, |
| ICM7244AIM44Z | 功能描述:LED顯示驅動器 W/ANNEAL 8-CHAR UP LED DRVR W/ON RoHS:否 制造商:Micrel 數(shù)位數(shù)量:5 片段數(shù)量: 安裝風格:SMD/SMT 封裝 / 箱體:PLCC-44 工作電源電壓:4.75 V to 11 V 最大電源電流:10 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Tube |
| ICM7244AIM44ZT | 功能描述:LED顯示驅動器 W/ANNEAL 8-CHAR UP LED DRVR W/ON RoHS:否 制造商:Micrel 數(shù)位數(shù)量:5 片段數(shù)量: 安裝風格:SMD/SMT 封裝 / 箱體:PLCC-44 工作電源電壓:4.75 V to 11 V 最大電源電流:10 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Tube |
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| ICM7245A | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:TIMEKEEPING DTMF CIRCUITS |
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