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R8A66161SP fiches techniques PDF

Renesas Technology - 16-BIT LED DRIVER

Numéro de référence R8A66161SP
Description 16-BIT LED DRIVER
Fabricant Renesas Technology 
Logo Renesas Technology 





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R8A66161SP fiche technique
R8A66161DD/SP
16-BIT LED DRIVER WITH SHIFT REGISTER AND LATCH
REJ03F0262-0100
Rev. 1.00
Jan. 16. 2008
DESCRIPTION
R8A66161 is a LED array driver having a 16-bit serial input and parallel output shift register function with
direct coupled reset input and output latch function.
This product guarantees the output current of 24mA (Vcc =5V case) which is sufficient for anode common
LED drive, capable of following 16-bits continuously at the same time. Parallel output is open drain output.
In addition, as this product has been designed in complete CMOS, power consumption can be greatly
reduced when compared with conventional BIPOLAR or Bi-CMOS products. Furthermore, pin layout ensures
the realization of an easy printed circuit. R8A66161 is the succession product of M66311.
www.DataSheetF4UE.cAomTURES
Anode common LED drive
VCC 5V or 3.3V single power supply
High output current: all parallel outputs QA~ QP IOL=24mA (at VCC =5.0V) IOL=12mA (at VCC =3.3V)
simultaneous lighting available
Low power dissipation: 100uW/package (max) (VCC=5.0V, Ta=25 , quiescent state)
High noise margin: Schmitt input circuit provides responsiveness to a long line length
Equipped with direct-coupled reset
Open drain output: (except serial data output SQP)
Wide operating temperature range: Ta=-40oC~+85oC
Pin layout facilitates printed circuit wiring. (This layout facilitates cascade connection and LED connection)
APPLICATION
LED array drive, The various LED display modules
PPC, Printer, VCR, Mini-compo, Button-Telephone etc. All of LED display equipment
BLOCK DIAGRAM
LOGIC DIAGRAM
PARALLEL DATA OUTPUTS
QA QB QC QD QE QF QG QH QI QJ QK QL QM QN QO QP
1 2 24 23 22 21 20 19 18 17 16 15 14 13 11 12
SERIAL
DATA
OUTPUT
SQP Vcc
10 3
Q
CK
DS
Q
CK
DS
Q
CK
DS
Q
CK
DS
Q
CK
DS
Q
CK
DS
Q
CK
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Q
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Q
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Q
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Q
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Q
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Q
CK
DS
Q
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DS
Q
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DS
Q
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Q
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Q
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Q
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Q
CK
DS
54
OE A
ENABLE SERIAL
INPUT DATA
INPUT
DATA signal
OE signal
PARALLEL
DATA
OUTPUTS
QA QP
OUTPUT FORMAT
SERIAL
DATA
OUTPUT
SQP
8 76 9
CKS R CKL GND
SHIFT DIRECTLATCH
CLOCK RESET CLOCK
INPUT INPUT INPUT
REJ03F0262-0100 Rev.1.00 Jan.16.2008
page 1 of 7

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