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PCA9550 Datasheet(PDF) 13 Page - NXP Semiconductors

Part # PCA9550
Description  2-bit I2C LED driver with programmable blink rates
PDF  17 Pages
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Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

PCA9550 Datasheet(HTML) 13 Page - NXP Semiconductors

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Philips Semiconductors
Product data
PCA9550
2-bit I2C LED driver with programmable blink rates
2003 May 02
13
SDA
SCL
SW01087
tREC
tREC
50%
30%
50%
50%
50%
tREC
tW
RESET
LEDx
LED OFF
ACK OR READ CYCLE
START
Figure 17. Definition of RESET timing
tSP
tBUF
tHD;STA
P
P
S
tLOW
tR
tHD;DAT
tF
tHIGH
tSU;DAT
tSU;STA
Sr
tHD;STA
tSU;STO
SDA
SCL
SU00645
Figure 18. Definition of timing



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