PCA9535 Philips Semiconductors, PCA9535 Datasheet - Page 13

• Manufacturer Part Number: PCA9535
• Description: 16-bit I2C and SMBus/ low power I/O port with interrupt
• Manufacturer: Philips Semiconductors

Philips Semiconductors
AC CHARACTERISTICS
NOTES:
1. C
2. t
3. t
4. t
2003 Jun 27
16-bit I
Port Timing
Interrupt Timing
SYMBOL
SYMBOL
t
t
t
t
t
t
t
HD;STA
SU;STO
VD;ACK
HD;DAT
VD;DAT
SU;DAT
SU;STA
t
VD;ACK
VD;DAT
PV
t
f
t
HIGH
LOW
t
b
SCL
BUF
t
t
t
t
t
t
t
SP
PV
PS
PH
IV
IR
R
F
= total capacitance of one bus line in pF.
measured from 0.7V
= minimum time for SDA data out to be valid following SCL LOW.
= time for Acknowledgement signal from SCL LOW to SDA (out) LOW.
SDA
SCL
2
C and SMBus, low power I/O port with interrupt
Operating frequency
Bus free time between STOP and START conditions
Hold time after (repeated) START condition
Repeated START condition setup time
Set-up time for STOP condition
Valid time of ACK condition
Data in hold time
Data out valid time
Data set-up time
Clock LOW period
Clock HIGH period
Clock/Data fall time
Clock/Data rise time
Pulse width of spikes that must be suppressed by the input
filters
Output data valid
Input data set-up time
Input data hold time
Interrupt valid
Interrupt reset
t
F
S
DD
on SCL to 50% I/O output.
t
HD;STA
t
LOW
3
PARAMETER
PARAMETER
t
R
t
HD;DAT
2
t
SU;DAT
t
HIGH
Figure 14. Definition of timing
t
F
t
SU;STA
13
S
R
t
HD;STA
STANDARD MODE
MIN
300
250
150
4.7
4.0
4.7
4.0
0.3
4.7
4.0
—
—
—
—
—
—
0
0
1
I
2
C BUS
MAX
1000
3.45
100
300
200
50
—
—
—
—
—
—
—
—
—
—
—
4
4
t
SP
t
SU;STD
20 + 0.1C
20 + 0.1C
t
R
MIN
100
150
1.3
0.6
0.6
0.6
0.1
1.3
0.6
50
—
—
—
—
FAST MODE
0
0
1
P
I
2
C BUS
b
b
t
BUF
1
1
S
MAX
400
300
300
200
PCA9535
0.9
50
—
—
—
—
—
—
—
—
—
—
—
4
4
SU01469
Product data
UNITS
UNITS
kHz
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
ns
ns
ns
ns
ns
ns
ns
ns