PCA9632DP1 NXP [NXP Semiconductors], PCA9632DP1 Datasheet - Page 28

• Manufacturer Part Number: PCA9632DP1
• Description: 4-bit Fm+ I2C-bus low power LED driver
• Manufacturer: NXP [NXP Semiconductors]

NXP Semiconductors
14. Test information
PCA9632_3
Product data sheet
Fig 22. Definition of timing
Fig 23. I
SDA
SCL
Rise and fall times refer to V
2
C-bus timing diagram
P
protocol
t
SDA
SCL
BUF
S
t
SU;STA
Fig 24. Test circuitry for switching times
t
BUF
condition
t
START
HD;STA
t
LOW
(S)
t
HD;STA
IL
R
C
R
L
L
T
and V
t
LOW
= Load resistor for LEDn. R
= Load capacitance includes jig and probe capacitance.
= Termination resistance should be equal to the output impedance Z
t
r
t
t
r
HD;DAT
MSB
bit 7
(A7)
IH
t
.
HIGH
GENERATOR
t
SU;DAT
Rev. 03 — 15 July 2008
t
f
PULSE
t
1 / f
HIGH
bit 6
(A6)
SCL
t
t
HD;DAT
f
t
L
SU;DAT
for SDA and SCL > 1 k (3 mA or less current).
V
I
bit 1
(D1)
R T
t
VD;DAT
DUT
V
DD
4-bit Fm+ I
Sr
(D0)
bit 0
V
O
t
SU;STA
t
t
VD;ACK
HD;STA
acknowledge
C L
50 pF
2
R L
500
C-bus low power LED driver
(A)
002aab880
t
SU;STO
002aab285
V
open
V
DD
SS
o
t
SP
of the pulse generators.
condition
t
SU;STO
STOP
PCA9632
(P)
© NXP B.V. 2008. All rights reserved.
002aaa986
P
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