PCA9531BS PHILIPS [NXP Semiconductors], PCA9531BS Datasheet - Page 15
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PCA9531BS
Manufacturer Part Number
PCA9531BS
Description
8-bit I2C LED dimmer
Manufacturer
PHILIPS [NXP Semiconductors]
Datasheet
1.PCA9531BS.pdf
(20 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PCA9531BS
Manufacturer:
NXP
Quantity:
60 000
Company:
Part Number:
PCA9531BS+118
Manufacturer:
ST
Quantity:
1 000
Philips Semiconductors
2003 Nov 10
8-bit I
handbook, full pagewidth
PROTOCOL
SDA
SCL
2
C LED dimmer
t
SU;STA
t
BUF
CONDITION
START
(S)
t HD;STA
Figure 20. I
GENERATOR
t
PULSE
LOW
r t
2
BIT 7
MSB
C-bus timing diagram; rise and fall times refer to V
(A7)
Figure 21. Test circuitry for switching times
t HIGH
V
I
DEFINITIONS
R
C
R
t
R
T
t
L
L
SU;DAT
T
f
= Load resistor.
= Load capacitance includes jig and probe capacitance
= Termination resistance should be equal to the output
1 / f SCL
BIT 6
(A6)
impedance Z
D.U.T.
V
DD
15
t
HD;DAT
V
O
O
of the pulse generators.
C
50Pf
L
(R/W)
BIT 8
R
t
L
VD;DAT
= 500 Ω
ACKNOWLEDGE
IL
(A)
Open
V
and V
DD
IH
t
VD;ACK
CONDITION
STOP
(S)
PCA9531
SW02142
Product data
t
SW02143
SU;STO