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參數(shù)資料
| 型號(hào)： | SCE5782 |
| 元件分類： | 顯示用LED |
| 英文描述： | 5X7 DOT MATRIX DISPLAY, HIGH EFFICIENCY RED, 4.57 mm |
| 封裝： | PLASTIC, DIP-26 |
| 文件頁數(shù)： | 10/14頁 |
| 文件大?。?/td> | 856K |
| 代理商： | SCE5782 |
SCE5780
2006-01-23
5
Input/Output Circuits
The following two figures show the input and output resis-
tor/diode networks used for ESD protection and to elimi-
nate substrate latch-up caused by input voltage
over/under shoot.
Inputs
Clock I/O
Electrical Characteristics (
over operating temperature)
Parameter
Min.
Typ.
Max.
Units
Conditions
V
CC
4.5
5.0
5.5
V
—
V
LL
3.0
—
5.5
V
—
I
CC (PWR DWN)
4)
—
100
A
V
CC=VLL=5.0 V, all inputs=0 V or VCC
I
LL (PWR DWN)
4)
—
50
A
—
I
CC
—
2.0
mA
V
CC=5.0 V
I
LL (20 dots/char)
1) 2)
—
240
345
mA
V
CC=VLL=5.0 V, “#” displayed in 8 digits,
brightness=100%, I
P=100% at 25°C
I
IL
—
–10
A
V
CC=5.0 V, all inputs=0 V
I
IH
—
10
A
V
CC=VIN=5.0 V (all inputs)
V
IH
3.5
—
V
CC=4.5 V to 5.5 V
V
IL
—
1.5
V
CC=4.5 V to 5.5 V
I
OH (CLK I/O)
—
–8.9
—
mA
V
CC=4.5 V, VOH=2.4 V
I
OL (CLK I/O)
—
1.6
—
mA
V
CC=4.5 V, VOH=0.4 V
θ
JC-pin
—
34
—
°C/W
—
Internal OSC Frequency
120
—
347
kHz
V
CC=5.0 V, CLKSEL=1, Prescale= ÷1
External OSC Frequency
120
—
347
kHz
V
CC=5.0 V, CLKSEL=0, Prescale= ÷1
External OSC Frequency with Prescale
1.92
—
5.55
MHz
V
CC=5.0 V, CLKSEL=0, Prescale= ÷16
Mux Frequency
3)
375
768
1086
Hz
—
Notes:
1) Peak current=1.87 x I
2) Unused inputs must be tied high.
3) Mux rate=[OSC Frequency/(64 x 7)].
4) External oscillator must be stopped during power down mode for minimum current.
IDCD5021
GND
1 k
Input
CC
V
IDCD5026
GND
1 k
Input/Output
CC
V
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