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PDF DN8667NS Data sheet ( Hoja de datos )
| Número de pieza | DN8667NS | |
| Descripción | 8-Bit Shift Register Latch Constant Current Driver IC | |
| Fabricantes | Panasonic | |
| Logotipo |  |
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DN8667NS
8-Bit Shift Register Latch Constant Current Driver IC
s Overview
The DN8667NS is a semiconductor integrated circuit
which incorporates a 8-bit shift register, a latch driver and
a constant current driver to satisfy the demand for equal-
ization of LED panel brightness. It also incorporates the
serial-in and serial-out/parallel-out functions. It employs
the Bi-CMOS process : The 8-step shift register block
and latch block consist of CMOS while the 8-step parallel
driver block is bipolar.
s Features
• Serial-in, serial-out/parallel-out
• Cascade connection possible
• Constant current output (0 to 100 mA able to be set by
one external resistor)
• Output-forced ON/OFF terminal attached (EN)
• Input/Output CMOS compatible
s Application
• LED panel drive
Unit : mm
1 20
2 19
3 18
4 17
5 16
6 15
7 14
8 13
9 12
10 11
5.5±0.3
(0.4)
7.6±0.3
20-pin SOP Package (SOP020-P-0300A)
s Block Diagram
1
Constant
Current
Output
2
Constant
Current
Output
Gate Control Sig.
Latch Control Sig.
Data Input
Shift
Register
Clock Input
Gate
Latch
Shift
Register
8
Constant
Current
Output
Current Set.
Shift
Register
Data Output
1
1 page  
Others
s Timing Chart
DN8667NS
CLK
SIN
STB
1.Input timing
1/fCLK
tWH (CLK)
tWL(CLK)
5V
90% 90%
2.5V
10%
0V
2.5V
10%
tr(CLK)
tf(CLK)
5V tsu(SIN)
2.5V
th(SIN)
2.5V 2.5V
2.5V 2.5V
0V tsu(SIN) th(SIN)
5V tsu(STB)
2.5V
th(STB)
2.5V
0V tw(STB)
(VIL= 0V,VIH= 5.0V)
2.Transmission delay time
5V
CLK
0V
2.5V
2.5V
5V
EN
0V
VOH
Qn
VOL
2.5V
2.5V
tPLH
50%
tPLH
50% 50%
tPHL
50%
tPHL
(VIL= 0V,VIH= 5.0V)
5
5 Page | ||
| Páginas | Total 5 Páginas | |
| PDF Descargar | [ Datasheet DN8667NS.PDF ] | |
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