PCA9685BS NXP [NXP Semiconductors], PCA9685BS Datasheet - Page 39

• Manufacturer Part Number: PCA9685BS
• Description: 16-channel, 12-bit PWM Fm+ I2C-bus LED controller
• Manufacturer: NXP [NXP Semiconductors]

Table 14.
Symbol
f
f
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
SCL
EXTCLK
BUF
HD;STA
SU;STA
SU;STO
HD;DAT
VD;ACK
VD;DAT
SU;DAT
LOW
HIGH
f
r
SP
PLZ
PZL
PHZ
Dynamic characteristics
Parameter
SCL clock frequency
frequency on pin EXTCLK
bus free time between a STOP
and START condition
hold time (repeated) START
condition
set-up time for a repeated
START condition
set-up time for STOP condition
data hold time
data valid acknowledge time
data valid time
data set-up time
LOW period of the SCL clock
HIGH period of the SCL clock
fall time of both SDA and SCL
signals
rise time of both SDA and SCL
signals
pulse width of spikes that must
be suppressed by the input filter
LOW to OFF-state propagation
delay
OFF-state to LOW propagation
delay
HIGH to OFF-state propagation
delay
Conditions
OE to LEDn;
OUTNE[1:0] = 10 or 11
in MODE2 register
OE to LEDn;
OUTNE[1:0] = 10 or 11
in MODE2 register
OE to LEDn;
OUTNE[1:0] = 10 or 11
in MODE2 register
[4][5]
[1]
[2]
[3]
[7]
Standard-mode
Min
250
DC
4.7
4.0
4.7
4.0
0.3
0.3
4.7
4.0
0
0
-
-
-
-
-
-
I
2
C-bus
1000
Max
3.45
3.45
100
300
50
50
40
60
60
-
-
-
-
-
-
-
-
20 + 0.1C
20 + 0.1C
Fast-mode I
Min
100
DC
1.3
0.6
0.6
0.6
0.1
0.1
1.3
0.6
0
0
-
-
-
-
b
b
[6]
[6]
2
C-bus
Max
400
300
300
0.9
0.9
50
50
40
60
60
-
-
-
-
-
-
-
-
Fast-mode Plus
0.26
0.26
0.26
0.05
0.05
0.26
Min
DC
0.5
0.5
50
0
0
-
-
-
-
-
-
I
2
C-bus
1000
Max
0.45
0.45
120
120
50
50
40
60
60
-
-
-
-
-
-
-
-
Unit
kHz
MHz
ns
ns
ns
ns
ns
ns
ns
ns
s
s
s
s
s
s
s
s