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TCA9535RTWR Datasheet(PDF) 7 Page - Texas Instruments

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Part # TCA9535RTWR
Description  Low-Voltage 16-Bit I2C and SMBus Low-Power I/O Expander with Interrupt Output and Configuration Registers
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TCA9535RTWR Datasheet(HTML) 7 Page - Texas Instruments

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TCA9535
www.ti.com
SCPS201D – AUGUST 2009 – REVISED JULY 2016
Product Folder Links: TCA9535
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Copyright © 2009–2016, Texas Instruments Incorporated
I
2C Interface Timing Requirements (continued)
over recommended operating free-air temperature range (unless otherwise noted) (see Figure 20)
MIN
MAX
UNIT
ticf
I2C input fall time
20 × (VCC /
5.5 V)
300
ns
tocf
I2C output fall time
10-pF to 400-pF bus
20 × (VCC /
5.5 V)
300
ns
tbuf
I2C bus free time between stop and start
1.3
µs
tsts
I2C start or repeated start condition setup
0.6
µs
tsth
I2C start or repeated start condition hold
0.6
µs
tsps
I2C stop condition setup
0.6
µs
tvd(data)
Valid data time
SCL low to SDA output valid
0.9
µs
tvd(ack)
Valid data time of ACK condition
ACK signal from SCL low to
SDA (out) low
0.9
µs
Cb
I2C bus capacitive load
400
pF
6.7 Switching Characteristics
over recommended operating free-air temperature range, CL ≤ 100 pF (unless otherwise noted) (see Figure 20 and Figure 21)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
MIN
MAX
UNIT
tiv
Interrupt valid time
P port
INT
4
μs
tir
Interrupt reset delay time
SCL
INT
4
μs
tpv
Output data valid; For VCC = 2.3 V–5.5 V
SCL
P port
200
ns
Output data valid; For VCC = 1.65 V–2.3 V
300
ns
tps
Input data setup time
P port
SCL
150
ns
tph
Input data hold time
P port
SCL
1
μs


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