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PCA9535 Datasheet(PDF) 13 Page - NXP Semiconductors

Part No. PCA9535
Description  16-bit I2C and SMBus, low power I/O port with interrupt
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Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

PCA9535 Datasheet(HTML) 13 Page - NXP Semiconductors

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Philips Semiconductors
Product data
PCA9535
16-bit I2C and SMBus, low power I/O port with interrupt
2003 Jun 27
13
SDA
SCL
SU01469
tHD;STA
tF
S
tLOW
tR
tHD;DAT
tSU;DAT
tHIGH
tF
tSU;STA
SR
tHD;STA
tSP
tSU;STD
P
tR
tBUF
S
Figure 14. Definition of timing
AC CHARACTERISTICS
SYMBOL
PARAMETER
STANDARD MODE
I2C BUS
FAST MODE
I2C BUS
UNITS
SYMBOL
PARAMETER
MIN
MAX
MIN
MAX
UNITS
fSCL
Operating frequency
0
100
0
400
kHz
tBUF
Bus free time between STOP and START conditions
4.7
1.3
µs
tHD;STA
Hold time after (repeated) START condition
4.0
0.6
µs
tSU;STA
Repeated START condition setup time
4.7
0.6
µs
tSU;STO
Set-up time for STOP condition
4.0
0.6
µs
tVD;ACK
Valid time of ACK condition2
0.3
3.45
0.1
0.9
µs
tHD;DAT
Data in hold time
0
0
ns
tVD;DAT
Data out valid time3
300
50
ns
tSU;DAT
Data set-up time
250
100
ns
tLOW
Clock LOW period
4.7
1.3
µs
tHIGH
Clock HIGH period
4.0
0.6
µs
tF
Clock/Data fall time
300
20 + 0.1Cb 1
300
ns
tR
Clock/Data rise time
1000
20 + 0.1Cb 1
300
ns
tSP
Pulse width of spikes that must be suppressed by the input
filters
50
50
ns
Port Timing
tPV
Output data valid
200
200
ns
tPS
Input data set-up time
150
150
ns
tPH
Input data hold time
1
1
µs
Interrupt Timing
tIV
Interrupt valid
4
4
µs
tIR
Interrupt reset
4
4
µs
NOTES:
1. Cb = total capacitance of one bus line in pF.
2. tVD;ACK = time for Acknowledgement signal from SCL LOW to SDA (out) LOW.
3. tVD;DAT = minimum time for SDA data out to be valid following SCL LOW.
4. tPV measured from 0.7VDD on SCL to 50% I/O output.


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